A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in high concentrations. Its primary use is as a solvent in manufacturing and food technology.
Hydrocarbon compounds with one or more of the hydrogens replaced by CHLORINE.
A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.
An office in the Department of Labor responsible for developing and establishing occupational safety and health standards.
Liquids that dissolve other substances (solutes), generally solids, without any change in chemical composition, as, water containing sugar. (Grant & Hackh's Chemical Dictionary, 5th ed)
Inorganic compounds derived from hydrochloric acid that contain the Cl- ion.
The exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation.
Air pollutants found in the work area. They are usually produced by the specific nature of the occupation.
A filament-like structure consisting of a shaft which projects to the surface of the SKIN from a root which is softer than the shaft and lodges in the cavity of a HAIR FOLLICLE. It is found on most surfaces of the body.
An agency in the Executive Branch of the Federal Government. It was created as an independent regulatory agency responsible for the implementation of federal laws designed to protect the environment. Its mission is to protect human health and the ENVIRONMENT.
Failure of a professional person, a physician or lawyer, to render proper services through reprehensible ignorance or negligence or through criminal intent, especially when injury or loss follows. (Random House Unabridged Dictionary, 2d ed)
Accountability and responsibility to another, enforceable by civil or criminal sanctions.
Use of written, printed, or graphic materials upon or accompanying a product or its container or wrapper. It includes purpose, effect, description, directions, hazards, warnings, and other relevant information.
The level of governmental organization and function below that of the national or country-wide government.
Elements, compounds, mixtures, or solutions that are considered severely harmful to human health and the environment. They include substances that are toxic, corrosive, flammable, or explosive.
Exercise of governmental authority to control conduct.

A novel strategy for the preparation of liposomes: rapid solvent exchange. (1/177)

During the preparation of multi-component model membranes, a primary consideration is that compositional homogeneity should prevail throughout the suspension. Some conventional sample preparation methods pass the lipid mixture through an intermediary, solvent-free state. This is an ordered, solid state and may favor the demixing of membrane components. A new preparative method has been developed which is specifically designed to avoid this intermediary state. This novel strategy is called rapid solvent exchange (RSE) and entails the direct transfer of lipid mixtures between organic solvent and aqueous buffer. RSE liposomes require no more than a minute to prepare and manifest considerable entrapment volumes with a high fraction of external surface area. In phospholipid/cholesterol mixtures of high cholesterol content, suspensions prepared by more conventional methods reveal evidence of artifactual demixing, whereas samples prepared by rapid solvent exchange do not. The principles which may lead to artifactual demixing during conventional sample preparation are discussed.  (+info)

Methylene chloride poisoning in a cabinet worker. (2/177)

More than a million workers are at risk for methylene chloride exposure. Aerosol sprays and paint stripping may also cause significant nonoccupational exposures. After methylene chloride inhalation, significant amounts of carbon monoxide are formed in vivo as a metabolic by-product. Poisoning predominantly affects the central nervous system and results from both carboxyhemoglobin formation and direct solvent-related narcosis. In this report, we describe a case of methylene chloride intoxication probably complicated by exogenous carbon monoxide exposure. The worker's presentation of intermittent headaches was consistent with both methylene chloride intoxication and carbon monoxide poisoning. The exposures and symptoms were corroborated by elevated carboxyhemoglobin saturations and a workplace inspection that documented significant exposures to both methylene chloride and carbon monoxide. When both carbon monoxide and methylene chloride are inhaled, additional carboxyhemoglobin formation is expected. Preventive efforts should include education, air monitoring, and periodic carboxyhemoglobin determinations. Methylene chloride should never be used in enclosed or poorly ventilated areas because of the well-documented dangers of loss of consciousness and death.  (+info)

Fatal case of dichloromethane poisoning. (3/177)

A 47-year-old man was found dead in a factory where dichloromethane (DCM) tanks were stocked. He was making an inventory of the annual stock of DCM contained in several tanks (5- to 8000-L capacity) by transferring the solvent into an additional tank with the help of compressed air. During this operation, one of the tanks overflowed and the man, who was not wearing any protection, was intoxicated. Autopsy showed digestive, suprarenal, and liver bleeding. Blood was also found in the trachea. DCM was identified by headspace gas chromatography-mass spectrometry (GC-MS). A headspace gas chromatography-flame ionization detection technique (GC-HS-FID) optimized for quantitation in biological fluids, organs and viscera was established at autopsy. The following concentrations of DCM were found: blood (150 mg/L), urine (2.0 mg/L), gastric content (5.6 mg/L), brain (122 mg/kg), fat (99 mg/kg), liver (44 mg/kg), lung (20 mg/kg), and kidney (15 mg/kg). A study of the storage stability of DCM was carried out on these samples. Ethanol production was measured in some organs. The results are discussed in light of the rarity of existing literature.  (+info)

Distribution and skewness of occupational exposure sets of measurements in the Norwegian industry. (4/177)

Aggregated occupational sets of exposure measurements from the Norwegian industry registered in the exposure database EXPO at The National Institute of Occupational Health, Oslo were examined with respect to distributions and skewness. Data for lead in blood show a truncated almost normal distribution because of regulations for workers with high lead in blood concentrations. The styrene, dichloromethane and acetone measurements show quasi log-normal distributions possibly because of over-representation of worst-case measurements. The other personal and stationary measurements are relatively good fitted to a log-normal model. The stationary measurements indicate generally lower mean levels than the corresponding personal measurements. The statistical parameter skewness is valuable in connection with an exposure database as a distribution test for raw data and log-transformed data.  (+info)

Dichloromethane as an antisickling agent in sickle cell hemoglobin. (5/177)

Microscopic studies of red cells from homozygous sickle cell patients show that dichloromethane does prevent sickle cell formation in vitro and does cause reversion of sickled cells to normal after exposure to dichloromethane. X-ray structural analysis of human deoxyhemoglobin crystals exposed to dichloromethane shows four unique binding sites. Arguments are presented to suggest that the binding site close to tryptophan 14alpha prevents the formation of helical polymers, i.e., prevent sickling.  (+info)

DNA polymerase I is essential for growth of Methylobacterium dichloromethanicum DM4 with dichloromethane. (6/177)

Methylobacterium dichloromethanicum DM4 grows with dichloromethane as the unique carbon and energy source by virtue of a single enzyme, dichloromethane dehalogenase-glutathione S-transferase. A mutant of the dichloromethane-degrading strain M. dichloromethanicum DM4, strain DM4-1445, was obtained by mini-Tn5 transposon mutagenesis that was no longer able to grow with dichloromethane. Dichloromethane dehalogenase activity in this mutant was comparable to that of the wild-type strain. The site of mini-Tn5 insertion in this mutant was located in the polA gene encoding DNA polymerase I, an enzyme with a well-known role in DNA repair. DNA polymerase activity was not detected in cell extracts of the polA mutant. Conjugation of a plasmid containing the intact DNA polymerase I gene into the polA mutant restored growth with dichloromethane, indicating that the polA gene defect was responsible for the observed lack of growth of this mutant with dichloromethane. Viability of the DM4-1445 mutant was strongly reduced upon exposure to both UV light and dichloromethane. The polA'-lacZ transcriptional fusion resulting from mini-Tn5 insertion was constitutively expressed at high levels and induced about twofold after addition of 10 mM dichloromethane. Taken together, these data indicate that DNA polymerase I is essential for growth of M. dichloromethanicum DM4 with dichloromethane and further suggest an important role of the DNA repair machinery in the degradation of halogenated, DNA-alkylating compounds by bacteria.  (+info)

Growth inhibition of Escherichia coli by dichloromethane in cells expressing dichloromethane dehalogenase/glutathione S-transferase. (7/177)

Dichloromethane (DCM) dehalogenase converts DCM to formaldehyde via the formation of glutathione metabolites and generates 2 mol HCl per mol DCM metabolized. Growth of Escherichia coli expressing DCM dehalogenase was immediately and severely inhibited during conversion of 0.3 mM DCM. Intracellular pH (pH(i)) rapidly decreased and chloride ions were steadily released into the medium. Bacterial growth resumed after completion of DCM conversion and cell viability was unaffected. At 0.6 mM DCM there was no recovery from growth inhibition in liquid culture due to the build-up of inhibitory concentrations of formaldehyde. DCM turnover stimulated potassium efflux from cells, which was suppressed by glucose. The potassium efflux, therefore, did not contribute to growth inhibition. It was concluded that initial growth inhibition results from lowering of the cytoplasmic pH, but severity of growth inhibition was greater than expected for the change in pH(i). Possible contributors to growth inhibition are discussed.  (+info)

Physiologically based pharmacokinetic modeling of inhalation exposure of humans to dichloromethane during moderate to heavy exercise. (8/177)

Dichloromethane (methylene chloride, DCM) is metabolized via two pathways in humans: mixed-function oxidases (MFO) and glutathione-S:-transferase (GST). Most likely, the carcinogenicity for DCM is related to metabolic activation of DCM via the GST pathway. However, as the two pathways are competing, the metabolic capacity for the MFO pathway in vivo is also of interest in risk assessment for DCM. Past estimates of MFO metabolism are based on the in vitro activity of tissue samples. The aim of the present study was to develop a population model for DCM in order to gain more knowledge on the variability of DCM inhalation toxicokinetics in humans, with main emphasis on the MFO metabolic pathway. This was done by merging published in vitro data on DCM metabolism and partitioning with inhalation toxicokinetic data (Astrand et al., 1975, Scand. J. Work.Environ. Health 1, 78-94) from five human volunteers, using the MCMC technique within a population PBPK model. Our results indicate that the metabolic capacity for the MFO pathway in humans is slightly larger than previously estimated from four human liver samples. Furthermore, the interindividual variability of the MFO pathway in vivo is smaller among our five subjects than indicated by the in vitro samples. We also derive a Bayesian estimate of the population distribution of the MFO metabolism (median maximum metabolic rate 28, 95% confidence interval 12-66 micromol/min) that is a compromise between the information from the in vitro data and the toxicokinetic information present in the experimental data.  (+info)

May cause cancer based on animal data. CDC - NIOSH Pocket Guide to Chemical Hazards - Methylene chloride Solvent-based strippers utilize potent methylene chloride (MC) to work in as little as 15 to 30 minutes. Product summary. Emergency Overview Possible cancer hazard. Product # METHYLENE CHLORIDE SOLVENT _____ Revision Date: November, 2019 _____ Page 7 / 10 Component Information Chemical Name Algae/aquatic plants Fish Toxicity to microorganisms Crustacea Dichloromethane 75-09-2 500: 96 h Pseudokirchneriella subcapitata mg/L EC50 500: 72 h Pseudokirchneriella subcapitata mg/L EC50 140.8 - 277.8: 96 h It is used in the production of photographic films, synthetic fibers, pharmaceuticals, adhesives, inks, and printed circuit boards. Methylene chloride is used mainly as a solvent in paint removers, aerosol mixtures, chemical reaction processes and as a blowing agent for flexible foams. [Solvent] Methylene Chloride. [Note: A gas above 104°F.] Methylene chloride is manufactured using AGCs ...
Earlier this week, Slate reported that the EPA is considering a new rule for 2016 that could impact the use of methylene chloride (also known as dichloromethane), a chemical commonly found in paint strippers. The rule could result in anything from new warning label requirements to an outright ban.. According to OSHA, workers using methylene chloride are at increased risk of developing cancer, adverse effects on the heart, central nervous system and liver, and skin or eye irritation. While the Slate piece emphasized the risk of sudden, fatal heart attacks, methylene chloride can also pose serious health dangers when absorbed through the skin. (Methylene chloride will eat through latex gloves, so workers need rubber or PVA gloves to stay protected.) In recent years, OSHA has issued hazard alerts for methylene chloride, with a special focus on the dangers it poses for workers engaged in bathtub refinishing. According to OSHA, at least 14 American workers died refinishing bathtubs due to methylene ...
Business Directory for Methylene Chloride Suppliers in Mumbai - Get contact details of Methylene Chloride Manufacturers, Wholesale Methylene Chloride Exporters, Best Methylene Chloride Traders & Distributors Across the Mumbai.
A common synonym for methylene chloride is dichloromethane (1 4) Methylene chloride is a colorless liquid with a sweetish odor (1 6) The chemical formula for methylene chloride is CH 2 Cl 2 and the molecular weight is 84 93 g/mol (1) The vapor pressure for methylene chloride is 349 mm Hg at 20 C and it has an octanol/water coefficient Request A Quotation! ...
Exposure to methylene chloride occurs mostly from breathing contaminated air, but may also occur through skin contact or by drinking contaminated water. Breathing in large amounts of methylene chloride can damage the central nervous system. Contact of eyes or skin with methylene chloride can result in burns. Methylene chloride has been found in at least 882 of 1,569 National Priorities List sites identified by the Environmental Protection Agency (EPA).
Methylene Chloride (MC). Familiarization with MC. MC is used as a solvent, especially where quick evaporation is needed Methylene chloride dissolves oils, fats, waxes, resins, rubber. 1a. Familiarization with MC. Methylene chloride is used: in paint strippers as an ingredient in adhesives...
Chemical paint strippers that include methylene chloride and phenol have been extensively used to remove coatings from metallic substrates. These strippers are inexpensive and remove polymeric organic coatings quickly and easily from a variety of metallic substrates without damage to the substrate. Their mechanism of action has not been adequately characterized. Herein we report changes in physical and molecular-level properties of five coatings upon exposure to components of the paint stripper including methylene chloride and phenol. The coatings studied were polyurethane topcoats and epoxy primers currently in military use, both clear films and fully pigmented films. The development and use of simplified formulations (clear films) of each coating was done. The coatings were characterized using DSC, TGA, solid state 1H- and 2H-NMR spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy and attenuated total reflectance FTIR. Our results show very different behavior for methylene chloride and
EWGs Tap Water Database Dichloromethane (methylene chloride) results for Thunderbird Motel | Dichloromethane (methylene chloride). Find out what is in your tap water
EWGs Tap Water Database Dichloromethane (methylene chloride) results for City of Scottsdale | Dichloromethane (methylene chloride). Find out what is in your tap water
OSHA and the National Institute for Occupational Safety and Health (NIOSH) are warning workers and employers about the dangers of using methylene chloride-based stripping products in bathtub refinishing. Methylene chloride, a chemical used in industrial processes, but also available in over-the-counter paint and finish stripping products, has been implicated in at least 14 deaths since 2000 of workers refinishing bathtubs. These workers were generally working alone, in poorly ventilated bathrooms, with inadequate or no respiratory protection, and no training about the hazards of methylene chloride. . . .
Washington, DC-This morning, the U.S. Environmental Protection Agency released its final risk evaluation for methylene chloride-finding unreasonable risk of injury from 47 of 53 uses examined, including the use of methylene chloride in paint and coating removers.. In response, Liz Hitchcock, director of Safer Chemicals Healthy Families issued the following statement:. The findings in EPAs evaluation are not surprising. Years of study and tragedy have shown the dangerous effects of methylene chloride. Even limited exposure to this chemical has resulted in dozens of deaths. The story of each life lost to this dangerous chemical is heartbreaking. And the longer EPA drags its feet, the more lives will be lost. EPA recognized the unacceptable danger of paint strippers containing this deadly chemical in January 2017 when it proposed banning these products for consumer and commercial use. However, last year, EPA finalized the ban on these products only for consumer use and refused to restrict ...
Chemical paint strippers that include methylene chloride and phenol have been extensively used to remove polymeric coatings from a variety of substrates. Previous work helped to determine some aspects of the mechanism for methylene chloride-based paint strippers, but many questions remained. Clear films, partial formulation films, with pigments and no fillers, and full formulation films of current military polyurethane coatings were analyzed in this study. The coatings were characterized using DSC, TGA, Raman spectroscopy, X-ray photoelectron spectroscopy, attenuated total reflectance FTIR, confocal laser microscopy, and NEXFAS spectroscopy. Results showed that the different components of the paint stripper had synergistic mechanistic effect. The methylene chloride acts by penetrating the coating and enabling other solvents to subsequently penetrate the coating. The main component responsible for coating degradation is phenol. Water acting as a protic polar solvent activates the phenol and increases
While several organic compounds were detected in the vapor samples used in the reenactment of the preparation of mounts from the extracts of nuclear grade high-efficiency particulate air filter fiberglass samples, the most significant species present in the samples were methylene chloride, phenol, phenol-d6, and 2-fluorophenol. These species were all known to be present in the extracts, but were expected to have evaporated during the preparation of the mounts, as the mounts appeared to be dry before any vapor was collected. These species were present at the following percentages of their respective occupational exposure limits: methylene chloride, 2%; phenol, 0.4%; and phenol-d6, 0.6%. However, there is no established limit for 2-fluorophenol. Several other compounds were detected at low levels for which, as in the case of 2-fluorophenol, there are no established permissible exposure limits. These compounds include 2-chlorophenol; N-nitroso-1-propanamine; 2-fluoro-1,1{prime}-biphenyl; 1,2
Many liquid paint strippers and solvents contain a toxic chemical called methylene chloride. Exposure can lead to death or serious illness. Workers are at risk when they inhale methylene chloride vapors and when it comes in contact with their skin ...
LABDHI CHEMICALS - Exporter, Importer, Manufacturer, Supplier, Trading Company & Producer of Methylene Chloride based in Mumbai, India
Understand ICIS coverage of the Methylene chloride US market. Use the ICIS price assessments and market coverage to track the Methylene chloride US market.
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Methylene Chloride: A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in high concentrations. Its primary use is as a solvent in manufacturing and food technology.
Behavioral effects due to carbon monoxide (630080) (CO) or methylene chloride (75092) (MeC) inhalation were investigated. Six male and six nonpregnant female humans were exposed to CO or MeC concentrations designed to produce maximum 5 percent carboxyhemoglobin (COHb) concentrations during the fourth hour of exposure, and were assigned an eye and hand coordination task that was performed concurren
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Today, the U.S. Environmental Protection Agency unveiled a rule that leaves workers across the United States exposed to methylene chloride, a lethal chemical used in paint strippers that has already caused dozens of worker deaths.
The motion requests that the standards current final engineering control startup date of April 10, 2000, which now applies to employers with fewer than 20 employees, be applied also to employers in the specified application groups with 20-49 employees and to foam fabricators with 20-149 employees. (In referring to an employers number of employees, the parties to the motion explain that they intend for the number of employees to refer to the total number or workers employed by the particular employer, not the number who work at a particular facility or the number that use methylene chloride in their work.) The motion requests shorter extensions of the engineering control dates for larger employers in these application groups. The parties further request that respirator use to achieve the 8-hour TWA PEL not be required before the engineering control startup dates for the employers covered by the motion.. In evaluating the motion, OSHA notes that the parties are not seeking to modify the ...
The California Department of Toxic Substances Control (DTSC) is seeking public comment on its proposal to list Paint and Varnish Strippers Containing Methylene Chloride as a Priority Product. The comment period opened on November 17, 2017. It will close January 18, 2018. The proposed regulation is available on the agencys website. If the regulation is adopted, manufacturers will be required to conduct an Alternatives Analysis to identify and evaluate safer options.. DTSC proposes to list Paint or Varnish Strippers Containing Methylene Chloride as a Priority Product in regulation because workers and consumers could be exposed to methylene chloride during normal use of paint or varnish strippers. Inhalation and dermal exposure to methylene chloride is associated with adverse health effects, including cancer of the brain, liver, and biliary tract, and central nervous system depression, intoxication and unconsciousness. Numerous deaths have been reported in workers and consumers who were exposed to ...
This fatty acid mixture contains long chain saturated fatty acid methyl esters in methylene chloride for the qualitative identification and quantitation of unknowns. Microbial fatty acid profiles are unique from one species to another and can therefore be
Methylene chloride (CH2Cl2) is a colorless liquid that can harm the eyes, skin, liver, and heart. Exposure can cause drowsiness, dizziness, numbness and tingling limbs, and nausea. It may cause cancer
Extent-of-exposure survey of methylene chloride. Cincinnati, Ohio: U.S. Dept. of Health and Human Services, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, Division of Surveillance, Hazard Evaluations, and Field Studies ; Washington, D.C.
In a previous video, I showed how to extract caffeinated water from green coffee beans with supercritical CO2. Here, I show how to extract dry caffeine crystals from the caffeinated water (ie coffee, in this case). I used a vacuum filtration setup to create very strong coffee, then mixed it with methylene chloride in a seperatory funnel. The methylene chloride sinks below the water, taking most of the caffeine with it. By opening the funnel carefully, only the methylene chloride and caffeine can be transferred to a flask where the methylene chloride is boiled away. I then mounted a test tube in a rubber stopped and filled the tube with ice. With the stopped in the flask, I evacuated the flask and applied heat. The caffeine will sublimate and collect on the cold test tube. I scraped off the caffeine and measured the mass ...
In a previous video, I showed how to extract caffeinated water from green coffee beans with supercritical CO2. Here, I show how to extract dry caffeine crystals from the caffeinated water (ie coffee, in this case). I used a vacuum filtration setup to create very strong coffee, then mixed it with methylene chloride in a seperatory funnel. The methylene chloride sinks below the water, taking most of the caffeine with it. By opening the funnel carefully, only the methylene chloride and caffeine can be transferred to a flask where the methylene chloride is boiled away. I then mounted a test tube in a rubber stopped and filled the tube with ice. With the stopped in the flask, I evacuated the flask and applied heat. The caffeine will sublimate and collect on the cold test tube. I scraped off the caffeine and measured the mass ...
Looking for a pump that can handle methylene chloride? Youre in luck. T-Mag magnetic drive pumps are the best solution on the market.
Public health advocates have filed suit against US EPA over a stalled rulemaking to ban the use of methylene chloride (MCL), a common ingredient in paints and paint strippers.
SBAR Panel: Regulation of N-Methylpyrrolidone and Methylene Chloride in Paint and Coating Removal under Section 6(a) of the Toxic Substances Control ...
METHYLENE CHLORIDE - PakTradeInfo.com, over 6,000,000 trade data importers and exporters. Business To Business (b2b) Trade Directory and Catalog. Trade leads. International Trade
Indian Customs ADD Notification 58/2015-Cus (ADD),Seeks to levy provisional anti dumping duty on Methylene Chloride originating in or exported from the People?s Republic of China and Russia for a period not exceeding six months ,Indian Customs ADD Notification No. 58/2015-Cus (ADD)
VCPL, India offers Dichloromethane HPLC CAS # 75-09-2. We are best Dichloromethane HPLC manufacturer, Methylene chloride, Methylene Dichloride, MDC, Dichloromethane
A characteristic feature of the class Theta glutathione S-transferase (GST) T1-1 is its ability to activate dichloromethane and dibromoethane by catalysing the formation of mutagenic conjugates. The level of the GSTT1 subunit within tissues is an important determinant of susceptibility to the carcinogenic effects of these dihaloalkanes. In the present study it is demonstrated that hepatic GST activity towards these compounds can be elevated significantly in female and male Fischer-344 rats by feeding these animals on diets supplemented with cancer chemopreventive agents. Immunoblotting experiments showed that increased activity towards the dihaloalkanes is associated with elevated levels of the GSTT1 subunit in rat liver. Sex-specific effects were observed in the induction of GSTT1 protein. Amongst the chemopreventive agents tested, indole-3-carbinol proved to be the most potent inducer of hepatic GSTT1 in male rats (6.2-fold), whereas coumarin was the most potent inducer of this subunit in the ...
Quick DetailsCAS No.:75-09-2Other Names: DichloromethaneMF:   CH2Cl2, CH2Cl2EINECS No.:200-838-9Place of Origin:Shandong,China (Mainland)Type:Pharmaceutical  Intermediates Purity:   99.9%MW:84.93Model Number:   001Application:   pharmaceutical intermediates, polyurethAppearance:   colorless liquidname:   Methylene ChlorideBoiling Point:39.75°C (103.5°...
TY - JOUR. T1 - Feasibility of thermal separation in recycling of the distillable ionic liquid [DBNH][OAc] in cellulose fiber production. AU - Ahmad, Waqar. AU - Ostonen, Alexandr. AU - Jakobsson, Kaj. AU - Uusi-Kyyny, Petri. AU - Alopaeus, Ville. AU - Hyväkkö, Uula. AU - King, Alistair W T. PY - 2016/10/1. Y1 - 2016/10/1. N2 - The objective of this work was to explore the feasibility of 1,5-diazabicyclo[4.3.0]non-5-enium acetate ([DBNH][OAc]) recovery from water solution by thermal separation. The evaporation behavior of pure [DBNH][OAc] was first studied using low pressure distillation in the pressure range of 0.5-2 kPa. The dew points of the distillation products from [DBNH][OAc] were measured in the pressure range of 0.5-15 kPa and modeled using an Antoine equation. Measurements for vapor liquid equilibrium (VLE) of water + [DBNH][OAc] system were carried out using a static total pressure method. The temperature range for the VLE measurement was 303-353 K. The results showed negative ...
Systems and Methods for Forming an Isolated Transformer - A transformer to isolate a primary winding from a signal winding include a primary substrate (which may comprise a printed circuit board (PCB)) and a secondary substrate. The primary and secondary substrates may each have three openings to allow first and second E-E core halves to be joined therebetween. A first insulator may be disposed between the primary and secondary substrates to isolate the primary substrate from the secondary substrate. A second insulator may secure the primary and secondary substrates in place and insulate the secondary substrate from the core. The primary and secondary substrates may each include a Faraday shield its outer layers. A shield slit to prevent shorting between the legs of the E-E core may be formed by cutting a channel in the shield between the opening of the primary and secondary substrates. A retaining clip may be used to clamp together the primary substrate, first and second core E-E core halves, ...
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Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.. ...
నెల్లూరు: మనుబోలు మండలం బద్వేలు క్రాస్‌రోడ్డు దగ్గర కారు బోల్తా, ముగ్గురికి గాయాలు,కర్నూలు: 16 వ రోజు జగన్ ప్రజా సంకల్ప యాత్ర,రంగారెడ్డి: మైలార్‌దేవ్‌పల్లిలో కింగ్స్‌ కాలనీలో ముస్తఫా అనే వ్యక్తిపై దుండగుల కాల్పులు,కడప: జగన్ సీఎం అయితే తన ఆస్తులు పెరుగుతాయి..చంద్రబాబు సీఎంగా ఉంటే ప్రజల ఆస్తులు పెరుగుతాయి: మంత్రి సోమిరెడ్డి,సిరిసిల్ల: అన్ని గ్రామాల్లో కేసీఆర్ గ్రామీణ ప్రగతి ...
The EPA said it determined that methylene chloride in paint strippers poses unreasonable risks to workers and consumers, not only because it can kill rapidly as its fumes build up but also because it increases the odds of developing cancer and can harm organs such as the lungs and kidneys. The only exceptions the agency proposed to its prohibition are for certain national security uses, which it wants to exempt for 10 years, and for furniture stripping, because the agency said it needs more time to determine how best to regulate the use of the chemical in that industry.. The EPA would require paint strippers with methylene chloride be distributed in 55-gallon drums to make sure they dont end up on shelves in cans that consumers and businesses might unwittingly buy. About 1.3 million consumers use these products every year, in addition to roughly 30,000 people at work, the agency estimates.. There are many cases of people who have become ill or even died as a result of exposure to methylene ...
Uses of NMP include many of the same uses stated above for methylene chloride. Consumer use of NMP in paint and coating removal is similar to commercial use, and consumer products containing NMP are the same as those used in many commercial settings. EPA has estimated that approximately 30,000 workers and 732,000 consumers annually are exposed to NMP during paint and coating removal activities.. As stated above, EPA has co-proposed two approaches to regulating NMP. Under one approach, similar to the approaches to TCE and methylene chloride, EPA proposes to prohibit the manufacturing, processing, and distribution in commerce of NMP for consumer and commercial paint and coating removal; require manufacturers, processors, and distributors of NMP to provide downstream notification of the prohibitions; and require recordkeeping relevant to these prohibitions. The proposed rule would grant an exemption for specific military uses for which there are no technically feasible alternatives currently ...
0079]4-benzyloxyphenol (0.44 g, 2.2 mmole) was added to a mixture of 0.46 ml of sodium methoxide (2 mmole, 25% in methanol) and 25 ml of dry methanol. The mixture was slowly stirred under nitrogen for 20 minutes. Methanol was then gradually distilled off until about 5 ml of solution was left. 50 ml of dry toluene was added and the solution was distilled under nitrogen. The azeotropic distillation was not stopped until all methanol was removed. The mixture was cooled to room temperature. The freshly azeotropically dried mPEG mesylate from the previous step was added and the mixture was refluxed under nitrogen overnight. The reaction mixture was cooled to room temperature, toluene was distilled off, and methylene chloride was added. The solid was removed by filtration and the filtrate was washed with 10% sodium bicarbonate containing 10% sodium chloride aqueous solution and then dried over sodium sulfate. The dry methylene chloride solution was filtered, condensed on a rotary evaporator and ...
A method for producing an antimicrobial cellulose fiber. The method includes reacting a reactive compound with an antimicrobial agent to prepare a reactive antimicrobial compound, chemically fixing the reactive antimicrobial compound to a cellulose fiber through chemical bonding between the reactive compound and the cellulose fiber, and stabilizing the cellulose fiber structure. Further disclosed is an antimicrobial cellulose fiber produced by the method. The antimicrobial cellulose fiber is a human friendly material that has excellent antimicrobial activity and deodorizing performance. The antimicrobial cellulose fiber can be manufactured in the form of raw cotton, sliver, roving yarn, spun yarn, woven fabric, knitted fabric, non-woven fabric, etc. The antimicrobial cellulose fiber may be blended with other fibers, such as natural fibers and synthetic fibers.
Because of the increasing of obesity and related diseases, obesity is recognized as a major public health problem in industrialized as well as in developing countries, and the factors that regulate white adipose tissue are of great interest. An excess of body fat predisposes to the development of insulin resistance and metabolic syndrome, especially when concentrated within the abdomen. Classified as a disease, obesity diminishes both quality of life and life expectancy. The metabolic deregulation ultimately may lead to complications such as diabetes mellitus, coronary heart disease, hypertension, and some types of cancer1. The number of drugs approved for the treatment of obesity is very limited compared to other multifactorial diseases such as hypertension. This situation urged scientists to elucidate the mechanisms of adipose tissue development and to find natural substances able to antagonize excessive fat deposition. Medicinal products obtained from a variety of plants are. currently being ...
The global cellulose fibers market is expected to reach USD 48.37 billion by 2025, according to a new report by Grand View Research, Inc. The increasing gap between the demand and production of natural cellulose fibers across various end-use industries is the major factor for the growth of the market. In addition, the rise in textile & apparel industries in developing and emerging economies is also anticipated to fuel the global market growth.. Increasing demand for eco-friendly and biodegradable fibers, especially in textile and hygiene industry is driving the cellulose fibers market. The production of synthetic or man-made fibers includes the industrial processing of wood pulp derived from botanical sources. However, the manufacturing of cellulose fibers entails mechanical and chemical processing of wood pulp. Viscose, triacetate, and acetate are the most common variants of rayon, which are man-made cellulose fibers used extensively across end-use industries.. The cellulose fibers market is ...
Figure Picture of Cellulose Fiber Gasket Figure Global Production Market Share of Cellulose Fiber Gasket by Types in 2015 Figure Global Consumption Volume Market Share of Cellulose Fiber Gasket by Applications in 2015 Figure Industry Chain Structure of Cellulose Fiber Gasket Figure Global Major Regions Cellulose Fiber Gasket Development Status in 2016 Figure 2010 to 2020F world GDP Figure Growth of world gross product and gross domestic product by country grouping, 2007-2017 Figure Growth of World Output 2013-2017 Figure Contribution to global growth, 2007-2017 Figure Regional contributions to world import growth Figure Price indices of selected groups of commodities, August 2013-September 2015 Figure Exchange rates of selected emerging-market currencies vis-a-vis the United States dollar, 1 September 2014-23 November 2015 Figure Real effective exchange-rate volatility, January 1996-September 2015 Figure Growth of labor productivity, before and after the crisis Figure Global Cellulose Fiber ...
[50 Pages Report] Check for Discount on Global Cellulose Fibers Market Study 2016-2026, by Segment (Natural Cellulose Fibers, Man-Made Cellulose Fibers) , by Market (Apparel, Home Textile,) , by Company (Aditya Birla Group, Lenzing,) report by 99Strategy. Summary Cellulose fibers are fibers obtained from the bark, wood...
Semantic Scholar extracted view of Cancer mortality among man-made vitreous fiber production workers. by Chris Rossiter et al.
Looking for online definition of tetrachloromethane in the Medical Dictionary? tetrachloromethane explanation free. What is tetrachloromethane? Meaning of tetrachloromethane medical term. What does tetrachloromethane mean?
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Growth prospects of the overall Cellulose Fibers industry have been presented in the report. However, to give an in-depth view to the readers, detailed geographical segmentation within the globe Cellulose Fibers market has been covered in this study. The key geographical regions along with their revenue forecasts are included in the report.. The competitive framework of the Cellulose Fibers market in terms of the Global Cellulose Fibers industry has been evaluated in the report. The top companies and their overall share and share with respect to the Global market have been included in the report. Furthermore, the factors on which the companies compete in the market have been evaluated in the report.. Ask for Sample Report: http://www.fiormarkets.com/report-detail/17151/request-sample. This report also presents product specification, manufacturing process, and product cost structure etc. Production is separated by regions, technology and applications. Analysis also covers upstream raw materials, ...
Acetone can dissolve plastic, for example. Some examples of solvents include mineral spirits, turpentine, naphtha, acetone, alcohol, lacquer thinner, and methylene chloride. Hi … These common solvents are ideal for a large variety of uses. Boats, Propeller Parts & When understood this way, its obvious that odorless mineral spirits is a weaker solvent than regular mineral spirits. Evaporated organic solvents - limonene, toluene, acetone, etc. 3), four hours per day, 45 or 58 days failed to result in any hematological changes in guinea pigs, though slight changes in the liver and moderate scattered Also known as the spirit of turpentine, oil of … It can also be absorbed through healthy skin. Their primary use in wood finishing is for thinning waxes, oils, and varnishes, including polyurethane varnish, and for cleaning brushes. Acetone is very good at dissolving grease, but it dries very quickly and always should be handled with acetone-impenetrable gloves. Reply. Mineral spirit is the more ...
Press Release issued Jan 7, 2016: Chloromethane, also known as methyl chloride, HCC-40 or R-40 belongs to a group of organic compounds called haloalkanes. It is an extremely flammable colorless gas which is usually detected at toxic levels. Chloromethane is synthesized by boiling a mixture of sodium chloride, sulfuric acid and methanol. Significant amount of chloromethane is produced naturally in the oceans by the action of sunlight on chlorine and biomass in sea foam. It is majorly used in manufacturing silicone polymers, butyl rubber and in petroleum refining. Chloromethane was initially used as a refrigerant, but was discontinued on account of its flammability and toxicity. Due to its substantial toxic effects, it is no longer used in consumer products. Different types of chloromethanes such as methyl chloride, methylene chloride, chloroform, and carbon tetrachloride are produced in the industry. Methyl chloride is the largest segment and is also the most important type of chloromethane, largely used
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Technical grade kelevan contains 94 - 98% pure kelevan, 0.1 - 2% chlordecone, and 0.5 - 4.0% inorganic salts (Maier-Bode, 1976). 2.2. Physical and Chemical Properties The technical material is a brownish substance. Some physical and chemical properties of kelevan are given in Table 1. 2.3. Analytical Methods Kelevan can be extracted from plant or animal tissues, or soils using methylene chloride, isopropanol, or acetone. It can be oxidized by refluxing with chromium trioxide in glacial acetic acid to yield chlordecone. The chlordecone is then determined by gas- liquid chromatography (GLC) techniques (Westlake et al., 1970). An analytical method using liquid chromatography/mass spectrometry has been described by Cairns et al. (1982). Table 1. Some physical and chemical properties of kelevan --------------------------------------------------------------------------- Physical state solid, powder Colour white Relative molecular mass 634.79 Melting point 91 C Vapour pressure (20 C) , 0.0014 Pa (= , ...
(PVC) [(C2H3Cl)n] -200 mesh white powderPVC is used as a chlorine (57%) donor (colored flame enhancer), fuel and as a binder in some rocket propellants. Solvent is methylene chloride.Since different chlorine donors have different percentages of chlorine in them, and have different fuel values, they may not be interchan
Ethyl 4-Phenyl-3-ketobutyrate (2; Fig. 1) was synthesized by a method adapted from Capozzi et al. (1993). The commercial isopropylidene malonate (2,2-dimethyl-4,6-diketo-1,3-dioxane, also called Meldrums acid; Aldrich Chemical Co., Milwaukee, WI) was reacted with phenylacetyl chloride in the presence of dry pyridine in anhydrous methylene chloride. The crude phenylacetylated Meldrums acid (compound 1, Fig. 1) was refluxed in absolute ethanol until evolution of CO2 ceased (about 3 h). After evaporation of the solvent, ethyl 4-phenyl-3-ketobutyrate was purified on a silica gel column.. 4-Phenyl-3-ketobutyric acid (PKB). A 10% molar excess of 1 N NaOH solution was added slowly to ice-cooled ethyl 4-phenyl-3-ketobutyrate and stirred at room temperature until the organic phase disappeared (approximately 12 h). The solution was acidified with 1 N HCl to pH 2 and extracted three times with 3 volumes of ethyl ether. After drying over Na2SO4, the solvent was evaporated to give the white solid product ...
SFE uses supercritical CO2, instead of organic solvents such as hexane and methylene chloride, to extract chemical compounds from a solid matrix (sometimes also from liquids). Near the critical point the density of a SCF is extremely sensitive to minor changes in temperature and pressure. Since the solvating power of a SCF is directly related to its density, selective extraction of the analyte of interest can be achieved by making slight changes in temperature and pressure and exploiting the differential solubility of analytes in the SCF. On the other hand, due to the higher diffusion coefficients in supercritical fluids, SFE is faster than liquid extraction. SFE is also a more efficient extraction method since the lower surface tension of supercritical fluids allows penetration into small pores of the solid matrix which are not accessible to liquids. ...
Abstract- The small amounts of chlorophyll precursors in dark-grown cells of Euglena gracilis Klebs var. bacillaris Pringsheim and the presence of contaminants which interfere with their purification have made their isolation and characterization difficult. We now extract cells with acetone: 0.1 M NH4OH (9:1 v/v). Protochlorophyll is obtained by extracting this solution with petroleum ether (30-50° b.p.) and extracting this petroleum ether fraction with 80% acetone to remove substances which interfere with subsequent chromatography. Protochlorophyllide remaining in the original acetone: NH4OH fraction is extractable into diethyl ether after adjusting the pH to approximately 5.5. Both pigments are verified and further purified by chromatography on Whatmann 3 MM paper using benzene:petroleum ether:acetone (30:10:1) or cellulose MN 300 thin layers with methanol:methylene chloride:water (100:18:20). These pigments resemble their well-described barley counterparts in solubility properties, spectral ...
Alzheimers disease (AD) is a neurodegenerative disorder characterized by neuronal loss and extracellular senile plaques containing |TEX|$\beta$|/TEX|-amyloid peptide (A|TEX|$\beta$|/TEX|). The deposition of the A|TEX|$\beta$|/TEX| peptide following proteolytic processing of amyloid precursor protein (APP) by |TEX|$\beta$|/TEX|-secretase (BACE1) and |TEX|$\gamma$|/TEX|-secretase is a critical feature in the progression of AD. Among the plant extracts tested, the ethanol extract of Petasites japonicus leaves showed novel protective effect on B103 neuroblastoma cells against neurotoxicity induced by A|TEX|$\beta$|/TEX|, as well as a strong suppressive effect on BACE1 activity. Ethanol extracts of P. japonicus leaves were sequentially extracted with methylene chloride, ethyl acetate and butanol and evaluated for potential to inhibit BACE1, as well as to suppress A|TEX|$\beta$|/TEX|-induced neurotoxicity. Exposure to A|TEX|$\beta$|/TEX| significantly reduced cell viability and increased apoptotic cell
We report that men who do not have homozygous deletions at GSTT1 (i.e., whose GST-θ protein is presumably expressed and functional) are at increased CaP risk. Although our results are largely hypothesis generating, these findings are consistent with knowledge that GST-θ produces genotoxic metabolites in response to specific exposures (1, 2, 3) . There is substantial evidence that glutathione S conjugates derived from halogenated alkanes, halogenated alkenes, hydroquinones, quinones, aminophenols, and other compounds can cause cellular and DNA damage (reviewed in Ref. 10 ). Many of these compounds are commonly found as occupational exposures, and some are known carcinogens. Glutathione metabolic intermediates from ethylene dibromide, 1,2,3,4-diepoxybutane, methyl bromide, epibromohydrin, 1,3-dichloroacetone, and methylene chloride are mutagenic (1 , 2) . Epidemiological evidence has provided further support that these compounds may be involved in prostate carcinogenesis. For example, cellulose ...
Dacryodes edulis; acetylcholinesterase; adenosinetriphosphatase; adipocytes; alpha-amylase; alpha-glucosidase; animal disease models; antioxidant activity; blood glucose; blood serum; body weight; butanol; catalase; cytotoxicity; enzyme activity; enzyme inhibition; ethanol; ethyl acetate; fractionation; fructose; gallic acid; glucose; glutathione; glycemic effect; glycogen; hexane; high performance liquid chromatography; hyperlipidemia; in vivo studies; insulin secretion; islets of Langerhans; metabolism; metformin; methylene chloride; myeloperoxidase; nitric oxide; noninsulin-dependent diabetes mellitus; oxidative stress; phosphorylase; rats; superoxide dismutase; traditional medicine; trees; vanillic acid; vanillin; Eastern ...
Polycyclic Aromatic Hydrocarbons (PAHs) are environmental pollutants that have received considerable attention because of their carcinogenic and mutagenic effects. Due to the extensive amount of data suggesting the hazards of these compounds, 16 PAHs are on the Environmental Protection Agency (EPA) Priority Pollutant List. These compounds are often emitted into the atmosphere by way of combustion processes. Thus, analysis of these compounds during coal combustion is an important task. Three 1000-hour coal combustion burns were performed using the 0.1 MW (0.3 m) bench-scale Fluidized Bed Combustor (FBC) in the Combustion Laboratory at Western Kentucky University. The data for this thesis were collected from the second and third 1000-hour experiments. An in-situ sampling system was designed for 16 PAHs specified by EPA, which consisted of a glass wool filter, condenser, glass fiber filter, Teflon filter, and Tenax. The filters and Tenax were extracted by methylene chloride and hexane, respectively,
The present invention provides a cellulose triacetate which exhibits a satisfactory filtration performance Thus, the present invention provides a cellulose triacetate whose occlusion constant (K) determined by the following method is 70 or less. Method: the cellulose triacetate is dissolved in a solvent mixture of methylene chloride/methanol (9/1 w/w) to form a 16% by weight (as a solid concentration) solution, which is then filtered under a constant pressure at the filtration pressure of 3 kg/cm.sup.2 and the temperature of 25.degree. C. using a muslin filter to determine a filtered volume with the lapse of time, from which the slope of a linear curve represented by t/V-t (wherein t is a filtration time (sec) and V is a filtered volume (ml)) is calculated to obtain an occlusion constant (K) where K=slope.times.2.times.10.sup.4.
No. Cosmetics and their ingredients (with the exception of color additives) are not regulated or overseen by the FDA. There are regulations, however, that prohibit or restrict the use of certain dangerous cosmetic ingredients, including mercury, vinyl chloride, chloroform, and methylene chloride, among others.. Under the current laws, the FDA does not substantiate or approve efficacy or safety claims of cosmetic products. Furthermore, the terms hypoallergenic, non-comedogenic, fragrance-free, gluten-free, natural, and dermatologist recommended or tested are not regulated or overseen by the FDA.. Cosmetic companies and manufacturers have the responsibility to ensure the safety of their products. They are not, however, required to submit safety information or product formulation to the FDA. Safety recalls of cosmetics are voluntarily taken by manufacturers or distributors to remove products that are hazardous or deceptive to the public. The FDA is not authorized to order recalls of ...
Arrow Chemical is a world famous chemical supplier. With the goal of customer satisfaction, Arrow focuses on Propylene Carbonate, Propylene Glycol, Dimethyl Carbonate, Methylene Chloride, Aniline, Polyaluminium Chloride, Polyacrylamide and other chemical products production, research, marketing and investment, to provide chemical purchasing one-stop service for the whole industry chain.
Precautions. It is important to review all of the safety material provided with a degreasing product.. Upon review of a global chemical companys Trichloroethylene-based metal degreasing products Safety Assessment Sheet, we found that they recommend adequate ventilation be provided in the workplace to minimize the possibility of inhalation, which may be hazardous.. In addition, the assessment sheet also warns that the initial effects of excessive inhalation. exposure are dizziness, loss of coordination, sleepiness and symptoms of anesthesia. Excessive exposure may cause systemic injury or even death.. Industrial Hygiene Testing. At Sentry Air Systems, we are continually testing our products for efficiency against chemical fumes and various particulate.. Our granule activated carbon filters have proven exceptional against common hazardous chemical fumes like sulfur dioxide, methylene chloride, hydrochloric acid, and others.. We are in the process of planning a similar test to see the ...
Link to pdf of Chapter 2 Occupational Medicine: State of the Art Reviews; Chapter 2: Research Findings Linking Workplace Factors to CVD Outcomes Authors: Paul Landsbergis, Kyle Steenland, Lawrence Fine, Karen Belkic, Peter Schnall, Dean Baker, Tores Theorell, Johannes Siegrist, Richard Peter, Robert Karasek, Michael Marmot, Chantal Brisson, Finn Tuchsen Abstract A variety of workplace conditions have been implicated as risk factors for cardiovascular disease (CVD). These include shift work, long work hours, and chemical (e.g., carbon disulfide, nitrate esters, carbon monoxide, methylene chloride, solvents), physical (e.g., cold, heat, noise, passive smoking, sedentary work) and psychosocial conditions. The most consistent evidence is provided by sources of psychosocial stress at work. The evidence strongly suggests a causal association between job strain (a combination of high psychological demands and low job decision latitude, or low job control) and hypertension and CVD. Low decision latitude is also
Hazards: Danger! Poison! Vapor Harmful. May affect the brain or nervous system causing dizziness, headaches or nausea. Reduces the bloods oxygen-carrying capacity. Causes eye, skin, nose and throat irritation. May be harmful if absorbed through the skin. Cannot be made non-poisonous. Warning: Use of this product will expose you to methylene chloride and benzene which are known to cause cancer and to toluol which is known to cause birth defects and other reproductive harm. Notice: Reports have associated repeated and prolonged occupational over exposure to solvents with permanent brain and nervous system damage. Intentional misuse by deliberately concentrating and inhaling the contents may be harmful or fatal. Precautions: Contact with flame or hot surface may produce toxic gases. Keep away from heat and flame. Vapor may cause flash fire. Do not smoke. Use only with adequate ventilation. Do not breathe vapor or spray mist. Use this product outdoor, if possible. If you must use indoors, open all ...
At Du Ponts Belle plant in West Virginias chemical-producing Kanawha Valley, 1.4 million pounds of chemicals went into the air and 4.5 million pounds to the water last year. The 31 reported chemicals included everything from quick-acting toxics like sulfuric acid to cancer-causing chemicals like formaldeyde. Du Pont, ranked number one with $13 billion in chemical sales last year, submitted about 800 reports from 80 plants and refineries for a national total of about 55 million pounds to the air, 155 million pounds to the water, 235 million pounds to deep wells and 1 million pounds to the land.. Dow Chemical Companys plant in Midland, Michigan reported annual emissions of 5.5 million pounds of chemicals under the law, 70 percent of them airborne, 26 percent to the water and 3.7 percent to Dows licensed landfill. About half of the air emissions involved methylene chloride, a controversial chemical suspected to be a carcinogen. Nationally, based on 300 reports from 15 facilities, Dow estimated ...
http://wakingtimes.com/ads/stepoutsidethebox.htmlhttp://wakingtimes.com/..., also known as acesulfame potassium, represents one of the food additives used for sweetening aliments and drinks. It is approved by the FDA, but there are several potential problems correlated with consumption of this food additive. Even though there are many studies that attest its safety, acesulfame potassium is still suspected of causing benign thyroid tumors. In rats, the development of such tumors took only 3 months, a period in which the concentration of this additive in the consumed food was between 1 and 5 percent. This is a very short period of time, so the substance is believed to have significant carcinogenic properties. Methylene chloride, a solvent used in the manufacture of acesulfame potassium, is the substance that may give the food additive its potential carcinogenic characteristics ...
In humans, glutathione-dependent conjugation of halomethanes is polymorphic, with 60% of the population classed as conjugators and 40% as non-conjugators. We report the characterization of the genetic polymorphism causing the phenotypic difference. We have isolated a cDNA that encodes a human class Theta GST (GSTT1) and which shares 82% sequence identity with rat class Theta GST5-5. From PCR and Southern blot analyses, it is shown that the GSTT1 gene is absent from 38% of the population. The presence or absence of the GSTT1 gene is coincident with the conjugator (GSST1+) and non-conjugator (GSTT1-) phenotypes respectively. The GSTT1+ phenotype can catalyse the glutathione conjugation of dichloromethane, a metabolic pathway which has been shown to be mutagenic in Salmonella typhimurium mutagenicity tester strains and is believed to be responsible for carcinogenicity of dichloromethane in the mouse. In humans, the enzyme is found in the erythrocyte and this may act as a detoxification sink. ...
This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using cellulose fibers that are treated with inorganic and/or organic resins to make the fibers more hydrophobic, as well as other chemical treatments. This invention discloses four aspects of the technology: fiber treatment, formulations, methods and the final product. This technology advantageously provides fiber cement building materials with the desirable characteristics of reduced water absorption, reduced rate of water absorption, lower water migration, and lower water permeability. This invention also impart the final products improved freeze-thaw resistance, reduced efflorescence, and improved rot and UV resistances, compared to conventional fiber cement products. These improved attributes are gained without loss in dimensional stability, strength, strain or toughness. In some cases the physical and mechanical properties are improved. This
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International Paper Global Cellulose Fibers has a multi-mill network producing cellulose fibers and fluff pulp used in consumer goods that people depend on every day.
Hypoglycemic and/or anti-hyperglycemic activities have been recorded with numerous plants, many of which are used as traditional herbal treatments of diabetes. Albizzia Lebbeck Benth. stem bark have been used in traditional medicine along with some preliminary reports on its hypoglycemic action. The aim of present investigation was to evaluate the antidiabetic and antioxidant activities of methanolic extract of stem bark of Albizzia Lebbeck Benth. in streptozotocin induced diabetic rats. The powdered stem bark of Albizzia Lebbeck Benth.. was extracted with methanol (MeOH) using soxhlation method and subjected to phytochemical analysis. The methanol/dichloromethane extract of Albizzia Lebbeck Benth. (ALEx) was concentrated to dryness using Rotary Evaporator. Diabetes was experimentally induced in the rats by single intraperitoneal administration of Streptozotocin (60 mg/kg). They glycemic control was measured by the blood glucose, glycated heamoglobin and plasma insulin. The oxidative stress was
TY - JOUR. T1 - Glutathione S-transferase T1 and M1. T2 - Gene sequence variation and functional genomics. AU - Moyer, Ann. AU - Salavaggione, Oreste E.. AU - Hebbring, Scott J.. AU - Moon, Irene. AU - Hildebrandt, Michelle A T. AU - Eckloff, Bruce W.. AU - Schaid, Daniel J. AU - Wieben, Eric D. AU - Weinshilboum, Richard M. PY - 2007/12/1. Y1 - 2007/12/1. N2 - Purpose: The glutathione S-transferases (GSTs) catalyze the glutathione conjugation of reactive electrophiles, including carcinogens and many antineoplastic drugs. GSTT1 and GSTM1 are polymorphically deleted, but the full range of genetic variation in these two genes has not yet been explored. We set out to systematically identify common polymorphisms in GSTT1 and GSTM1, followed by functional genomic studies. Experimental Design: First, multiplex PCR was used to determine GSTT1 and GSTM1 copy number in 400 DNA samples (100 each from 4 ethnic groups). Exons, splice junctions, and 5′-flanking regions (5′-FR) were then resequenced using ...
TY - JOUR. T1 - Spectroscopic studies on the radical-cation dimer of a model compound of poly(p-phenylenevinylene). Similarities between the dimer and the state of positive polarons in the sulfuric-acid-treated polymer. AU - Sakamoto, Akira. AU - Furukawa, Yukio. AU - Tasumi, Mitsuo. PY - 1997/3/6. Y1 - 1997/3/6. N2 - Reversible dimerization of the radical cations of a model compound [CH3(C6H4CH=CH)2C6H 4CH3] of poly-(p-phenylenevinylene) (PPV) in dichloromethane solution has been studied by electronic absorption, electron spin resonance, and resonance Raman spectroscopy. The electronic absorption spectrum of the radical-cation monomer drastically changes upon dimerization; the absorption maxima of the monomer are located at 636 and 1200 nm (15 700 and 8330 cm-1) and those of the dimer at 527 and 981 nm (19 000 and 10 200 cm-1). The monomer - dimer equilibrium constants (Ks) at various temperatures have been determined from the observed temperature dependence of the electronic absorption ...
Isolation and Characterization of Anti Sickling Bioactive Compounds from Seeds of Picralima Nitida Stapf (Apocynaceae). Aim: To isolate and Characterize the anti-sickling bioactive compounds of Ethanol fraction of Picralima nitida seeds. Methods: The fresh matured fruits (8 kg) of P. nitida were cut into transverse section to expose the seeds, The seeds were air-dried and then pulverized into a homogenous powder, The organoleptic properties (taste, colour, odor, texture) of the powdered P. nitida were determined using the sensory organs. A 2.5 kg pulverized seeds were extracted with methanol and concentrated in a rotary evaporator to yield a dried residue. The methanol extract of Picralima nitida was then defatted using n-hexane. The extract was successively fractionated with different solvents, chloroform, dichloromethane, ethyl acetate and 50% ethanol in increasing order of polarity to obtain the chloroform fraction (CF), dichloromethane fraction (DCMF), ethyl acetate fraction (EF) and ethanol ...
In 2018, Top exporters of Tissue, towel, napkin stock or similar; for household or sanitary use, cellulose, wadding webs of cellulose fibres, in rolls exceeding 36cm in width or rectangular sheets with one side more than 36cm in unfolded state to Iceland were Tunisia ($1,791.97K , 1,335,320 Kg), European Union ($1,595.52K , 779,734 Kg), Denmark ($553.91K , 34,374 Kg), Netherlands ($348.90K , 236,132 Kg), Italy ($294.61K , 246,847 Kg ...
In 2018, Top exporters of Tissue, towel, napkin stock or similar; for household or sanitary use, cellulose, wadding webs of cellulose fibres, in rolls exceeding 36cm in width or rectangular sheets with one side more than 36cm in unfolded state to Gabon were Tunisia ($736.46K , 547,435 Kg), European Union ($239.96K , 180,531 Kg), Indonesia ($219.63K , 209,568 Kg), Italy ($209.52K , 172,478 Kg), Turkey ($79.68K , 40,597 Kg ...
Page contains details about cellulose fiber modified by Gd4O3F6:Eu3+ nanoparticles . It has composition images, properties, Characterization methods, synthesis, applications and reference articles : nano.nature.com
Technocel® is used as filler in a broad range of areas. An important feature of Technocel alpha cellulose is its high degree of purity. It contains no lignin, hemicellulose or other impurities. The fiber structure of echnocel reduces shrinkage and cracking in products such as paints.. If you have any questions regarding cellulose fibers and what would suit your application the best, dont hesitate to contact us. Our sales team will help you finding the right filtration solution for all your applications.. ...
Read A Study of the Affinity of Dyes for Cellulose Fiber within the Framework of a Fragment Approach in QSPR, Russian Journal of Applied Chemistry on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Greenfiber is a national manufacturer of cellulose insulation. Providing energy saving and cost effective insulation choices for the US and Canada.
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This page contains information on the chemical 2-Propenoic acid, ethyl ester, telomer with tetrachloromethane including: 2 synonyms/identifiers.
The effect of RU486, a synthetic progesterone receptor antagonist, on basal uterine prostaglandin (PG) release and release in response to oxytocin injection has been investigated in late-pregnant sheep (days 135-140 of gestation). Fifteen hours after i.m. injection of RU486 (50 mg; n = 5) or vehicle alone (n = 4), bolus injections of oxytocin (50, 500 and 5000 mU) were administered via a uterine artery ipsilateral to the pregnant uterine horn at 2-hourly intervals. Uteroovarian vein concentrations of 13,14-dihydro-15-keto PGF2α (PGFM) and PGE2 were determined before and during oxytocin stimulation. Basal concentrations of both PGFM and PGE2 were significantly (P , 0·001) increased in ewes 15 h after RU486 administration compared with ewes receiving vehicle alone. Concentrations of PGFM, but not PGE2, increased significantly (P , 0·001) following injection of each dose of oxytocin in both treated and untreated animals. The response to oxytocin, measured both as the area under the curve and as ...
Methylene chloride[edit]. Methylene chloride can be found in adhesive removers and aerosol spray paints. In the human body, ... methylene chloride is metabolized to carbon monoxide. If a product that contains methylene chloride needs to be used the best ... methylene chloride is listed as exempt from VOC status.[21]. Perchloroethylene[edit]. Perchloroethylene is a volatile organic ...
"Methylene Chloride". chemicalland21.com. Retrieved 29 May 2007. CRC Handbook of Chemistry and Physics, 47th ed. p E-54 The ... and Chlorine Nuclear Quadrupole Coupling Constants of Methylene Chloride Rollie J. Myers and William D. Gwinn, J. Chem. Phys. ...
Methylene chloride is a Lewis acid that can hydrogen bond to electron donors. It is classified as a hard acid and is included ... "Toxicological Profile for Methylene Chloride" (PDF). Retrieved 2006-09-10. Bell BP, Franks P, Hildreth N, Melius J (1991). " ... "Methylene Chloride Hazards for Bathtub Refinishers". OSHA-NIOSH Hazard Alert 2013-110. OSHA and NIOSH. Retrieved 22 January ... Dichloromethane (DCM or methylene chloride) is an organochloride compound with the formula CH2Cl2. This colorless, volatile ...
"Extraction of Caffeine from Tea: Greening the Chemistry" (PDF). "Methylene Chloride (Dichloromethane)". "Torunn A. Garin, 54, ...
Methylthioninium chloride (methylene blue). *Naloxone. *Penicillamine. *Prussian blue. *Sodium nitrite. *Sodium thiosulfate ...
"Toxicological Profile for Methylene Chloride" (PDF). Retrieved 2006-09-10. Güémez, J.; Valiente, R.; Fiolhais, C.; Fiolhais, M ... The fluid is typically dichloromethane, also known as methylene chloride. Earlier versions contained trichlorofluoromethane. ...
Methylene chloride, after being metabolized, can cause carbon monoxide poisoning. Gasoline sniffing can cause lead poisoning, ... Fagin J, Bradley J, Williams D (November 1980). "Carbon monoxide poisoning secondary to inhaling methylene chloride". Br Med J ...
Trichloroethane generally is less toxic than methylene chloride ... is not teratogenic and carcinogenicity and mutagenicity ...
Conversion of tetrachlorethane to methylene chloride and trichlorethylene. Numerous works on rocket fuels, among others the ...
Dichloromethane (methylene chloride) can solvent weld polycarbonate and polymethylmethacrylate. It is a primary ingredient in ...
US EPA, OCSPP (22 August 2019). "Final Rule on Regulation of Methylene Chloride in Paint and Coating Removal for Consumer Use ... Another source of poisoning is exposure to the organic solvent dichloromethane, also known as methylene chloride, found in some ... It can also occur from exposure to methylene chloride. Carbon monoxide primarily causes adverse effects by combining with ...
Products containing high percentages of methylene chloride are used as stripping agents in the process, to remove the old ... In an unventilated setting, overexposure to methylene chloride vapors can affect brain function and result in death in the ... Measures to prevent overexposure to methylene chloride include the use of stripping agents relying on other chemicals instead, ... OSHA/NIOSH Hazard Alert: Methylene Chloride Hazards for Bathtub Refinishers. ...
Methylene chloride Solvent CH2Cl2. Trichloromethane Chloroform Solvent CHCl3. ... Methyl chloride Methylation agent; e.g., for methyl trichlorosilane CH3Cl ... This method is used for the production of the mono-chloride, -bromide, and -iodide. ... The method is mainly used to produce fluorinated derivatives from the chlorides. ...
In the methylene chloride process, methylene chloride is used in the acetylation mixture as a solvent instead of acetic acid. ... Before precipitation, any methylene chloride present must be completely distilled off. The acetic acid is then recovered. ... Since the low-boiling methylene chloride can be easily removed by distillation, process control is achieved even with highly ... the acetic acid process or the methylene chloride process are usually used for acetylation. In acetic acid processes, the pre- ...
Methylene chloride and acetone are generally effective at removing powder coating. Most other organic solvents (thinners, etc ... Recently the suspected human carcinogen methylene chloride is being replaced by benzyl alcohol with great success. Powder ...
Schwartz, E; Trinh, S. V.; Scow, K. M. (2002). "Impact of methylene chloride on microorganisms and phenanthrene mineralization ... of polycyclic aromatic hydrocarbons on rice paddy bacteria and of methylene chloride on bacteria. Phytoplankton (eukaryotic ...
Methylene chloride fluoride. Monochloromonofluoromethane. CFM. Khladon 31. Freon 31. CFC 31. R 31 ...
It is soluble in acetone, methyl ethyl ketone, nitromethane, and methylene chloride. ECA polymerizes rapidly in presence of ...
Solvents that are use can be naphtha, toluene, methanol, methylene chloride, and acetone. Due to environmental concerns, some ...
... treatment of the product mixture with methylene chloride converts it to Schwartz's reagent. Zirconocene dichloride can also be ... The Negishi reagent is prepared by treating zirconocene dichloride with n-BuLi, leading to replacement of the two chloride ... Zirconocene dichloride may be prepared from zirconium(IV) chloride-THF complex and sodium cyclopentadienide: ZrCl4(THF)2 + 2 ... followed by palladium-catalyzed coupling of the resultant vinylaluminum reagent with geranyl chloride. The use of ...
Used as a free radical scavenger in trichloromethane (chloroform) and dichloromethane (methylene chloride). John Snow, the ...
The concentration of methylene chloride ranged from 0 to 15 parts per billion. Saint Johns Creek loses its flow due to fissures ... the concentration of acetone rangesd from 18.9 to 19.7 parts per billion and the concentration of methylene chloride ranged ...
Similar to chloroform, methylene chloride is a solvent, with the chemical formula CH2Cl2. It can be found in all similar ... Regular exposure to something such as methylene chloride can cause dangerous amounts of damage to the kidneys, liver, lungs, ... and methylene chloride were found, all of which have are a hazard to human health causing cancer and organ failure. Sharkey ... Large amounts of carcinogenic compounds such as benzene, chloroform, and nethylene chloride were found within the site, along ...
... methylene chloride, freons, formaldehyde. VOCs are also monitored by the United States Geological Survey for its presence in ...
Methylene chloride is the typical solvent, with the solubility of 12.5 g/100 mL. The application of this reagent to oxidations ...
ISBN 978-1-4379-8736-2. "Final Rule on Regulation of Methylene Chloride in Paint and Coating Removal for Consumer Use". United ... The active ingredient in the most effective paint strippers is dichloromethane, also called methylene chloride. Dichloromethane ...
The liquid is almost always methylene chloride, a solvent that is toxic and possibly carcinogenic. It is generally sealed in a ...
Methylene chloride makes up over 98 percent of the total HAP emissions from this industry. Short-term exposure to high ... The effects of chronic (long-term) exposure to methylene chloride in humans involve the central nervous system, and include ... Developmental or reproductive effects of methylene chloride have not been reported in humans, but limited animal studies have ... Animal studies indicate that inhalation of methylene chloride affects the liver, kidney, and cardiovascular system. ...
Grease can be removed by wiping with an appropriate solvent; ethers, methylene chloride, ethyl acetate, or hexanes work well ...
NBCA in monomer form is soluble in acetone, methyl ethyl ketone, nitromethane, and methylene chloride. It polymerizes rapidly ...
Oxidation of amines with iron(III) chloride.[19]. *Hydrolysis of unsaturated secondary amides,[20] β-Keto acid esters,[11] or β ... ketones are typically more soluble in water than the related methylene compounds. Ketones are hydrogen-bond acceptors. Ketones ... By the reaction of an acid chloride with organocadmium compounds or organocopper compounds. ...
... calcium chloride 25%, and zinc chloride 25% ). The carbon is then subjected to lower temperatures (250-600 °C). It is believed ... Methylene blue[edit]. Some carbons have a mesopore (20 Å to 50 Å, or 2 to 5 nm) structure which adsorbs medium size molecules, ... such as the dye methylene blue. Methylene blue adsorption is reported in g/100g (range 11-28 g/100g). ... Youssef A.M.; Abdelbary E.M.; Samra S.E.; Dowidar A.M. (1991). "Surface-properties of carbons obtained from polyvinyl-chloride ...
... is a benzamide,[12] derivative of morpholine,[103] which acts pharmacologically as a selective, reversible inhibitor of monoamine oxidase A (RIMA),[9] a type of monoamine oxidase inhibitor (MAOI), and increases levels of norepinephrine (noradrenaline), dopamine, and especially serotonin.[104][105] in neuronal cells as well as in synaptic vesicles; extracellular levels also increase which results in increased monoamine receptor stimulation and suppression of REM sleep, down regulation of 3-adrenoceptors. A single 300 mg dose of moclobemide inhibits 80% of monoamine oxidase A (MAO-A) and 30% of monoamine oxidase B (MAO-B), blocking the decomposition of norepinephrine, serotonin and, to a lesser extent, dopamine. There is also some evidence pointing towards moclobemide possessing neuroprotective properties.[8] There is no cumulative effect of moclobemide centrally when taken long-term.[8] With long-term use of moclobemide, there is a significant down-regulation of B-adrenoceptors.[8] ...
Methylene blue. 亞甲藍氯化物(Methylthioninium Chloride). 腎功能測定、尿道消毒 ...
It can be prepared from phthalic anhydride and resorcinol in the presence of zinc chloride via the Friedel-Crafts reaction. ... Methylene blue. *Laser dyes. References[edit]. *^ Gessner, Thomas; Mayer, Udo (2000). "Triarylmethane and Diarylmethane Dyes". ...
The most commonly used catalysts for this process are metal halides, particularly aluminium chloride. This is referred to as a ... First, silicon is treated with hydrogen chloride at about 300 °C to produce trichlorosilane, HSiCl3, along with hydrogen gas, ... Silane can be produced by several routes.[6] Typically, it arises from the reaction of hydrogen chloride with magnesium ... under Al and H2 gas in a mixture of NaCl and aluminum chloride (AlCl3) at high pressures:[7] ...
Hydrogen chloride. *Hydrogen fluoride. *Hydrogen (molecular). *Hydroxyl radical. *Iron(II) oxide. *Magnesium monohydride cation ... Methylene amidogen. *Methyl radical. *Propynylidyne. *Protonated carbon dioxide. *Protonated hydrogen cyanide. *Silicon ...
Hydrogen chloride. *Hydrogen fluoride. *Hydrogen (molecular). *Hydroxyl radical. *Iron(II) oxide. *Magnesium monohydride cation ... Methylene amidogen. *Methyl radical. *Propynylidyne. *Protonated carbon dioxide. *Protonated hydrogen cyanide. *Silicon ...
... halide Metallic bond Metalloid Methane Methanol methyl methyl group Methyl isocyanate Methylene Methylene bridge Methylene ... chloride Mercury (element) Mercury (II) chloride mercury fulminate mercury-vapor lamp Metacinnabarite metal metal ... skeletal formula skin Smectite Smoky quartz Soapstone Soda niter sodium Sodium bicarbonate Sodium carbonate Sodium chloride ... reaction Chemical series Chemical thermodynamics Cheminformatics chemist chemistry Chemistry basic topics Chirality Chloride ...
Acyl chlorides and acid anhydrides react with primary and secondary amines to form amides (the "Schotten-Baumann reaction"). ... Similarly, with sulfonyl chlorides, one obtains sulfonamides. This transformation, known as the Hinsberg reaction, is a ... "β-Naphthylmercuric chloride". Organic Syntheses.. ; Collective Volume, 2, p. 432. *^ Hunger, Klaus; Mischke, Peter; Rieper, ...
Major intermediates from the halogenation and hydrohalogenation of ethylene include ethylene dichloride, ethyl chloride and ... Some products derived from this group are polyvinyl chloride, trichloroethylene, perchloroethylene, methyl chloroform, ... polyvinylidene chloride and copolymers, and ethyl bromide.[13] Alkylation. Major chemical intermediates from the alkylation ... Methylene amidogen. *Methyl radical. *Propynylidyne. *Protonated carbon dioxide. *Protonated hydrogen cyanide. *Silicon ...
... and methylene chloride.[32] gamma-Butyrolactone may also be used to remove cured cyanoacrylate.[33] Commercial debonders are ...
1R,16E)-16-Ethylidene-2-methylene-4,14-diazatetracyclo[12.2.2.03,11.05,10]octadeca-3(11),5,7,9-tetraene ...
Some examples include, gases carbon monoxide (CO), nitric oxide (NO), and hydrogen chloride (HCl). ... Methylene amidogen. *Methyl radical. *Propynylidyne. *Protonated carbon dioxide. *Protonated hydrogen cyanide. *Silicon ...
Three reversible oxidation processes have been observed by using cyclic voltammetry with ultra-dry methylene chloride and a ...
Replacement of a methylene unit by oxygen barely affects the odor of these compounds, and oxalactones with 15 - 17-membered ... elimination reaction with lithium chloride to an enone, organic oxidation by osmiumtetroxide and lead tetraacetate with ring- ...
In but-3-enyl chloride CH2=CHCH2CH2Cl, the chloride occupies a homoallylic position. ... It consists of a methylene bridge (−CH2−) attached to a vinyl group (−CH=CH2).[1][2] The name is derived from the Latin word ...
vinyl chloride - monomer for polyvinyl chloride *polyvinyl chloride (PVC) - type of plastic used for piping, tubing, other ... methylene diphenyl diisocyanate (MDI) - used as a co-monomer with diols or polyols to form polyurethanes or with di- or poly ... a French chemist left vinyl chloride in the sun and found white solid at the bottom of the flask which was polyvinyl chloride. ... allyl chloride - *epichlorohydrin - chloro-oxirane; used in epoxy resin formation *epoxy resins - a type of polymerizing glue ...
Sulfites, which are added to foods usually as a preservative,[39] will attack thiamine at the methylene bridge in the structure ... Thiamine triphosphate (ThTP) was long considered a specific neuroactive form of thiamine, playing a role in chloride channels ... Its structure consists of an aminopyrimidine and a thiazolium ring linked by a methylene bridge. The thiazole is substituted ...
For example, when sodium hydroxide reacts with hydrochloric acid, sodium chloride is formed: NaOH(aq) + HCl(aq) → NaCl(aq) + H2 ... polyvinyl chloride (PVC), stainless steel, and fiberglass reinforced plastic (FRP, with a resistant liner).[13] ... the electrolysis of sodium chloride had become the primary method for producing sodium hydroxide.[51] ... Methylene amidogen. *Methyl radical. *Propynylidyne. *Protonated carbon dioxide. *Protonated hydrogen cyanide. *Silicon ...
Lithium (lithium acetate, lithium carbonate, lithium chloride, lithium citrate, lithium hydroxide, lithium orotate) ...
Alcoholysis of acyl chlorides and acid anhydrides[edit]. Alcohols react with acyl chlorides and acid anhydrides to give esters ... Since acyl chlorides and acid anhydrides also react with water, anhydrous conditions are preferred. The analogous acylations of ... In the case that an alkyl chloride is used, an iodide salt can catalyze the reaction (Finkelstein reaction). The carboxylate ...
Despite the cyanide ions being diatomic, and thus less symmetric than chloride, they rotate so rapidly, their time-averaged ... has the same cubic crystal structure as sodium chloride, with each potassium ion surrounded by six cyanide ions, and vice versa ... Methylene amidogen. *Methyl radical. *Propynylidyne. *Protonated carbon dioxide. *Protonated hydrogen cyanide. *Silicon ...
... although it could be called phenyl chloride. In special (and rare) cases, isolated phenyl groups are detected: the phenyl anion ...
If primary or secondary alcohols are to be reacted with hydrochloric acid, an activator such as zinc chloride is needed. In ... alternative fashion, the conversion may be performed directly using thionyl chloride.[1] ...
... muonium can enter into compounds such as muonium chloride (MuCl) or sodium muonide (NaMu), analogous to hydrogen chloride and ... Shinitzky, M.; Elitzur, A. C. (2006). "Ortho-para spin isomers of the protons in the methylene group". Chirality. 18 (9): 754- ... hydrogen chloride and hydrogen fluoride, which are also potentially dangerous acids.[19] ... such as water and methylene, but is of little significance for their thermal properties.[27] ...
... sulfate Vincristine sulfate Vinyl chloride-vinyl acetate copolymers Vinylidene chloride Vinylidene chloride-vinyl chloride ... Methylene bis(N,N-dimethyl)benzenamine 4,4'-Methylenediphenyl diisocyanate 2-Methylfluoranthene 3-Methylfluoranthene ... Further details can be found in the IARC Monographs Acenaphthene Acepyrene Aciclovir Acridine orange Acriflavinium chloride ... Polyurethane foams Polyvinyl acetate Polyvinyl alcohol Polyvinyl chloride Polyvinyl pyrrolidone Ponceau SX Potassium bis(2- ...
Hydrogen chloride. *Hydrogen fluoride. *Hydrogen (molecular). *Hydroxyl radical. *Iron(II) oxide. *Magnesium monohydride cation ... Methylene amidogen. *Methyl radical. *Propynylidyne. *Protonated carbon dioxide. *Protonated hydrogen cyanide. *Silicon ...
Methylene chloride (CH2Cl2) is a colorless liquid that can harm the eyes, skin, liver, and heart. Exposure can cause drowsiness ... RAIS Toxicity Profile: Methylene Chlorideexternal icon. *New Jersey Hazardous Substance Fact Sheets: Methylene Chlorideexternal ... ATSDR Toxicological Profile for Methylene Chloride. *EPA Acute Exposure Guideline Levels (AEGLs): Methylene Chlorideexternal ... Useful search terms for methylene chloride include "dichloromethane," "methylene dichloride," and "DCM." ...
Contact of eyes or skin with methylene chloride can result in burns. Methylene chloride has been found in at least 882 of 1,569 ... Breathing in large amounts of methylene chloride can damage the central nervous system. ... Exposure to methylene chloride occurs mostly from breathing contaminated air, but may also occur through skin contact or by ... methylene chloride. Exposure to high levels of methylene chloride is likely if methylene chloride or a product containing it is ...
Methylene chloride. CAS No: 75-09-2. NOTE:. (1) Efficacy of Medical Tests has not been evaluated.. (2) NIOSH references include ... Methylene chloride. Editor(s). /Author(s). Specific Medical Test(s) or Examination(s). Reference(s). ...
Toxicological Profile for Methylene Chloride CAS#: 75-09-2 Toxicological Profile Information. The ATSDR toxicological profile ... Toxicological profile for Methylene Chloride. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service ...
"Methylene chloride (MC)" means an organic compound with chemical formula, CH2Cl2. Its Chemical Abstracts Service Registry ... This section applies to all occupational exposures to methylene chloride (MC), Chemical Abstracts Service Registry Number 75-09 ... I) Transfer the employee to comparable work where methylene chloride exposure is below the action level; or ... This occupational health standard establishes requirements for employers to control occupational exposure to methylene chloride ...
Methylene chloride is a colorless liquid with a mild, sweet odor. Another name for it is dichloromethane. It does not occur ... Methylene chloride is a colorless liquid with a mild, sweet odor. Another name for it is dichloromethane.. It does not occur ... Most methylene chloride gets in the environment from its use in industry and from home use of aerosols and paint removers. ... Methylene chloride is approved as an extraction solvent for spices and hops. It used to be popular for removing caffeine from ...
Methylene bichloride; Chlorure de methylene; Metylenu chlorek; NCI-C50102; R 30; Rcra waste number U080; UN 1593; Methoklone; ... Other names: Methane, dichloro-; Aerothene MM; Dichloromethane; Freon 30; Methylene dichloride; Narkotil; Solaesthin; ...
Amendments to methylene chloride standard. (November 20, 1998).. *Partial Stay of Methylene Chloride Standard. (February 06, ... Petition for modification of OSHAs Methylene Chloride Standard. (July 07, 1997).. *OSHAs Methylene Chloride Standard. (July ... Exposures to methylene chloride are addressed in specific OSHA standards for general industry, maritime, and construction. This ... Notice of Availability of the Regulatory Flexibility Act Review of the Methylene Chloride Standard. Proposed Rule 75:24509- ...
... methylene chloride). Find out what is in your tap water ... methylene chloride). Griffin. Methylene chloride is a common ... The EPA considers methylene chloride likely carcinogenic to people. Long-term ingestion of drinking water with methylene ... Occupational exposure to methylene chloride and other solvents has been linked with increased risk of miscarriage. Birth ... The EWG Health Guideline of 4 ppb for dichloromethane (methylene chloride) was defined by the California Office of ...
Tennessee mother Wendy Hartley is taking steps to sue the Environmental Protection Agency for apparently failing to finalize a ban on a chemical that killed her 21-year-old son last year.
OSHA submitted an amended Methylene Chloride Information Collection Request (ICR) to the existing Methylene Chloride ICR (OMB ... All methylene chloride collections of information expire on 7/31/2001.. This final rule also extends the compliance dates for ... Use of methylene chloride in construction work for restoration and preservation of buildings, painting and paint removal, ... For methylene chloride, air-purifying respirators do not provide effective protection because MC quickly penetrates all ...
Looking for SPECTRUM Methylene Chloride, Hydrocarbon Stabilize (6NMU4)? Graingers got your back. Price:$226.50. Easy ordering ... Methylene Chloride, Hydrocarbon Stabilized, Exceeds A.C.S. Specifications, HPLC Grade - otherwise referred to as ...
Shop a large selection of Application Specific Methylene Chloride products and learn more about Methylene Chloride (GC Resolv ... methylene chloride,methylene dichloride,methane, dichloro,methylene bichloride,methane dichloride,solaesthin,solmethine,freon ... methylene chloride,methylene dichloride,methane, dichloro,methylene bichloride,methane dichloride,solaesthin,solmethine,freon ...
Oral absorption set at 97% (see above); dermal absorption set at 1% under non-occlusive conditions Guidance by e.g., the exposure model ECETOC TRA, indicates that although EASE (and hence ECETOC TRA) provides an exposure estimate for high volatile liquids (i.e., with a vapour pressure , 10 kPa), in practice such exposure would not occur in the case of very volatile substances as the substance would never be in contact with the skin for a sufficient period of time (due to fast evaporation) to enable significant dermal permeation to occur (Patel et al., 2002). Therefore, in the case of nonocclusive conditions, this means that any quantitative estimate may be set at the level of PROC 1 and 3 for substances having a vapour pressure greater than ca. 30 kPa (ECETOC TRA vs 3). Dichloromethane has a vapour pressure of 58.4 kPa at 25ºC and as such is highly volatile. PROC 1 results in a predicted dermal exposure of 0.03 mg/kg bw/day, whereas PROC 3 (worst case) results in a predicted dermal exposure of ...
Freshwater Eleven acute toxicity studies are reported for 5 freshwater fish species. Three studies were conducted using a flow-through system with analysis of the test solutions, on Pimephales promelas. The results were based on measured concentrations and are considered valid, with 96h LC50s of 193 mg/L (Alexander et al., 1978) 330 mg/L (Geiger et al., 1986) and 502 mg/L (Dill et al, 1987); a 192 -h LC50 of 471 mg/L was also reported (Dill et al, 1987). Although there is some difference between the different 96-h LC50 values, they appear equally reliable. An EC50 based on loss of equilibrium was also reported (Geiger et al., 1986) but was identical to the LC50, which suggests there were no such effects at concentrations below those that caused mortality. A study with Lepomis macrochirus (Buccafusco et al., 1981) was carried out as a static test in a closed system but without analysis. The result could be used with restrictions, but was not lower than the lowest valid LC50. Other studies were ...
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice ...
Methylene Chloride, Nitrogen Dioxide, Tetrachloroethylene. The ATSDR Interaction Profile succintly characterizes the ... Carbon Monoxide, Formaldehyde, Methylene Chloride, Nitrogen Dioxide, Tetrachloroethylene. ... Carbon Monoxide, Formaldehyde, Methylene Chloride, Nitrogen Dioxide, Tetrachloroethylene. *Chloroform, 1,1-Dichloroethylene, ...
Prohibited for all persons from distributing in commerce methylene chloride, including any methylene chloride containing ... Acute exposures to methylene chloride from these products may cause dizziness, loss of consciousness, coma and death as a ... Methylene chloride. (75-09-2) (Consumer) paint and coating removal products Prohibited. November 22, 2019* ... This final rule stems from the EPAs determination that the use of methylene chloride in paint and coating removal products ...
Use the ICIS price assessments and market coverage to track the Methylene chloride US market. ... Understand ICIS coverage of the Methylene chloride US market. ... Methylene chloride, also known as dichloromethane or methylene ... Home Commodities Chemicals Methylene-chloride Methylene chloride US prices, markets & analysis Methylene chloride US prices, ... Methylene chloride news and market information products from ICIS. We offer the following regional Methylene chloride coverage ...
... methylene chloride can also pose serious health dangers when absorbed through the skin. (Methylene chloride will eat through ... Because methylene chloride is heavier than air, it tends to linger in the bottom of bathtubs and other places it is used. ... Methylene chloride paint strippers were banned by the European Union in 2011 because of the dangers posed to workers. However, ... While the EPAs final finding on methylene chloride will not be known for at least a few more months, employers can keep ...
... Agency commits to action on CH2Cl2 in consumer and commercial products by ... The U.S. Environmental Protection Agency plans to finalize an Obama-era proposal to ban the use of methylene chloride in ... Exposure to methylene chloride, also known as dichloromethane, has been associated with a higher risk of cancer and ... EPA plans to prohibit the use of methylene chloride in paint strippers after deaths were linked with such uses. ...
1M solution in methylene chloride, ACROS Organics 25mL; Plastic bottle packed in tin can Chemicals:Organic Compounds:Organic ...
Use the ICIS price assessments and market coverage to track the Methylene chloride Europe market. ... Understand ICIS coverage of the Methylene chloride Europe market. ... Home Commodities Chemicals Methylene-chloride Methylene chloride Europe prices, markets & analysis Methylene chloride Europe ... Methylene Chloride Methodology. Methylene chloride, also known as dichloromethane or methylene dichloride, is a chlorinated ...
Methylene Chloride Reagent. 500 mL. Solution. Each (500ml). Retrieving. Clearance . Act quickly! These items have limited ... Methylene Chloride Laboratory. 500 mL. Solution. Each (500ml). Retrieving. Clearance . Act quickly! These items have limited ...
Methylene Chloride Reagent. 500 mL. Solution. Each (500ml). Retrieving. Clearance . Act quickly! These items have limited ... Methylene Chloride Laboratory. 500 mL. Solution. Each (500ml). Retrieving. Clearance . Act quickly! These items have limited ...
... and will phase out of paint removal products that contain methylene chloride and N-Methylpyrrolidone (NMP) by the end of 2018. ...
Tag: methylene chloride. Apr 17, 2019 Developments to Watch: State Chemical Regulation and Proposed Legislation. At least 22 ... Posted in: Environmental and Sustainability LawTags: California, methylene chloride, Proposition 65, State chemical ...
Reduce chemical accidents caused by methylene chloride chemicals in your facility with Methylene Chloride GHS Sign. Buy GHS ... Text reads: "Methylene Chloride Warning Causes Skin Irritation. Causes Serious Eye Irritation. May Cause Respiratory Irritation ...
  • Useful search terms for methylene chloride include "dichloromethane," "methylene dichloride," and "DCM. (cdc.gov)
  • Product Description Foaming agent, EINECS: 200-838-9, industrial Dichloromethane, brands solvent, queen of Methylene dichloride Colorless and transparent, without suspended matter. (xpandrally.com)
  • Dichloromethane, Methylene dichloride Colorless liquid with a chloroform-like odor. (pekarna.tv)
  • Chemical Name or Material: methylene chloride, also called dichloromethane, methylene dichloride colorless with. (pekarna.tv)
  • Called dichloromethane, methylene dichloride colorless liquid that can harm the eyes, skin liver. (pekarna.tv)
  • Today, the U.S. Environmental Protection Agency unveiled a rule that leaves workers across the United States exposed to methylene chloride, a lethal chemical used in paint strippers that has already caused dozens of worker deaths. (earthjustice.org)
  • Breaking EPA's repeated promises to ban commercial and consumer uses of methylene chloride paint strippers, the Trump administration instead finalized a ban solely on consumer uses, opening a loophole that leaves thousands of workers at risk of illness and death. (earthjustice.org)
  • In January 2017, EPA acknowledged those risks and proposed a ban on commercial and consumer uses of methylene chloride paint strippers. (earthjustice.org)
  • The EPA estimates that 1.3 million Americans are exposed to methylene chloride from paint strippers in their homes and workplaces each year. (earthjustice.org)
  • Earlier this week, Slate reported that the EPA is considering a new rule for 2016 that could impact the use of methylene chloride (also known as dichloromethane), a chemical commonly found in paint strippers. (msdsonline.com)
  • Methylene chloride paint strippers were banned by the European Union in 2011 because of the dangers posed to workers. (msdsonline.com)
  • OSHA also encourages using sanding or non-chemical stripping methods, or switching to chemical strippers that are not methylene chloride-based. (msdsonline.com)
  • EPA plans to prohibit the use of methylene chloride in paint strippers after deaths were linked with such uses. (acs.org)
  • The U.S. Environmental Protection Agency plans to finalize an Obama-era proposal to ban the use of methylene chloride in consumer and commercial paint strippers. (acs.org)
  • For example, EPA found that workers using methylene chloride-based paint strippers face high risks. (edf.org)
  • Many retailers announced they will no longer sell paint strippers that contain the chemicals methylene chloride, which have been blamed in dozens of accidental deaths. (forensisgroup.com)
  • The Environmental Protection Agency has sent to the White House Office of Management and Budget (OMB) a draft final rule that significantly scales back the ban it proposed two years ago on deadly paint strippers containing methylene chloride. (edf.org)
  • For the families around the country who have lost loved ones to methylene chloride exposure, this is at best a half-step forward in getting these deadly paint strippers off the market. (edf.org)
  • On Nov. 22, the U.S. Environmental Protection Agency (EPA) announced its official removal of methylene-chloride paint and finish strippers from the consumer market. (popularwoodworking.com)
  • Methylene chloride strippers had already been removed from big box stores due to pressure from consumer groups. (popularwoodworking.com)
  • Methylene chloride in paint strippers: A ban is th. (edf.org)
  • Last week, EPA signaled it will advance a delayed rule regulating consumer and worker use of methylene chloride-based paint strippers. (edf.org)
  • Those companies once again are pointing to the Consumer Product Safety Commission's (CPSC) update earlier this year of its 1987 policy statement warning consumers of acute hazards posed by certain methylene chloride-containing household products, including paint strippers. (edf.org)
  • While a ban on consumer uses of paint strippers containing methylene chloride is a step in the right direction, it falls far short of what former Administrator Pruitt announced almost a year ago, and of what my office was assured in writing would be a ban that protected both consumer users and workers from this deadly chemical. (middletowntranscript.com)
  • Consumer products that can be purchased at local automotive and hardware stores, such as aerosol parts cleaners and paint strippers, may contain methylene chloride. (turi.org)
  • In March 2014, the Department of Toxic Substances Control announced that paint strippers containing methylene chloride were proposed by the agency as a priority product and subject to the Safer Consumer Products regulation that requires manufacturers or other responsible entities to seek safer alternatives. (turi.org)
  • This report profiles the Agency's rationale for proposing methylene chloride- containing paint strippers as a priority product, including a review of health impacts and available alternatives. (turi.org)
  • According to reports from OSHA and other sources , paint strippers containing methylene chloride have been linked to more than 50 deaths across the country since 1980. (momscleanairforce.org)
  • In January 2017, the EPA proposed banning methylene chloride in paint strippers. (momscleanairforce.org)
  • Other countries have already taken action: In Europe methylene chloride was banned from paint strippers in 2012. (momscleanairforce.org)
  • Read about the deadly chemical methylene chloride, found in paint strippers, that has caused fatalities in the U.S. The Trump Administration has refused to ban it due to industry pressure. (momscleanairforce.org)
  • Public health advocates have filed suit against US EPA over a stalled rulemaking to ban the use of methylene chloride (MCL), a common ingredient in paints and paint strippers. (lion.com)
  • Methylene chloride can be found in paint strippers, pesticides and in some solutions that are used in the processing of photographic film. (augerlaw.com)
  • Carper expressed similar sentiments in a separate release issued the same day, saying that "while a ban on consumer uses of paint strippers containing methylene chloride is a step in the right direction, it falls far short of what … my office was assured in writing would be a ban that protected both consumer users and workers from this deadly chemical. (safetyandhealthmagazine.com)
  • CDC - NIOSH Pocket Guide to Chemical Hazards - Methylene chloride Solvent-based strippers utilize potent methylene chloride (MC) to work in as little as 15 to 30 minutes. (pekarna.tv)
  • Methylene chloride is an important solvent in paint and varnish strippers and in degreasing agents. (pekarna.tv)
  • It may cause cancer showed that the new solvent blends developed by UMass Lowell, worked equally to methylene chloride-based paint strippers and significantly better than other existing alternatives based on chemicals such as NMP, benzyl alcohol, and dibasic esters. (pekarna.tv)
  • Solvent-Based strippers Show more methylene chloride solvent Less: Safety and Handling WARNING flexible foam, and. (pekarna.tv)
  • Chemical paint strippers that include methylene chloride and phenol have been extensively used to remove coatings from metallic substrates. (dtic.mil)
  • Methylene chloride is used as an industrial solvent and as a paint stripper. (cdc.gov)
  • Methylene chloride is approved as an extraction solvent for spices and hops. (everything2.com)
  • Methylene chloride is a common industrial solvent used for paint stripping, vapor degreasing, printing, electronics manufacturing and cleaning. (ewg.org)
  • Methylene chloride (also called DCM, dichloromethane, or dimethyl chloride) is typically used as a solvent in paint removers, but is also used in aerosol formulations, as a solvent in pharmaceuticals manufacturing, as a degreasing agent in electronics manufacturing, and as an ethane foam blowing agent. (forensisgroup.com)
  • Methylene chloride (dichloromethane) is a widely used solvent that can cause serious illness or death when used in enclosed spaces. (elcosh.org)
  • Methylene chloride is used as an extraction solvent for identifying and quantifying trace amounts of volatile organic compounds with gas chromatography (GC). (spectroscopynow.com)
  • With our new Optima and GC Resolv solutions, we implemented a quality by design approach to manufacture ultrapure methylene chloride in order to provide researchers with an extraction solvent that consistently shows an interference-free baseline during GC analysis. (spectroscopynow.com)
  • what is methylene chloride about the products: msds methylene chloride 1) Excellent solvent 2) Parting agent. (xpandrally.com)
  • They come packed in your choice of Methylene Chloride or a mixture of Cyclohexane/Ethyl acetate to minimize the need for risky solvent switchover. (waters.com)
  • Methylene chloride, or dichloromethane (DCM), is a chlorinated solvent commonly used as a metal degreaser, a chemical intermediate, a reaction or extraction solvent, a paint stripper, and as a component in adhesives. (turi.org)
  • Methylene chloride is a solvent that is used for parlon , saran , and paint thinning etc. (pyrodata.com)
  • Product # METHYLENE CHLORIDE SOLVENT _____ Revision Date: November, 2019 _____ Page 7 / 10 Component Information Chemical Name Algae/aquatic plants Fish Toxicity to microorganisms Crustacea Dichloromethane 75-09-2 500: 96 h Pseudokirchneriella subcapitata mg/L EC50 500: 72 h Pseudokirchneriella subcapitata mg/L EC50 140.8 - 277.8: 96 h It is used in the production of photographic films, synthetic fibers, pharmaceuticals, adhesives, inks, and printed circuit boards. (pekarna.tv)
  • Methylene chloride is used mainly as a solvent in paint removers, aerosol mixtures, chemical reaction processes and as a blowing agent for flexible foams. (pekarna.tv)
  • Dichloromethane (Methylene chloride) Please visit the Applications Portal of the Solvent Center to ensure that you select the correct solvent grade for your application. (pekarna.tv)
  • Methylene chloride is a very fast-drying solvent cement for polycarbonate and is recommended for use in only temperate climate zones and when bonding small areas together. (pekarna.tv)
  • Methylene chloride is a colourless liquid which has especially high solvent power. (opeslimited.com)
  • Methylene chloride is used where a high-grade solvent is required, making it a versatile chemical with a wide number of applications. (opeslimited.com)
  • Methylene chloride is highly efficient as a solvent and propellant component in sprays. (opeslimited.com)
  • Methylene Chloride is used as solvent for the synthesis of chemicals and Nouryon produces industrial chemicals such as salt and chlorine products as well as It has excellent solvency power to most organic chemicals and materials. (colourfulcity.nl)
  • Product name, Methylene chloride of bubbling urethane, organic solvent for low boiling point material, inks, fabrics and leather, and jet agent of aerosol can Law of PRTR ※ , Class Ⅰ specified chemical substances. (colourfulcity.nl)
  • 461 products Best selling product organic solvent chemicals Methylene Chloride dichloromethane. (colourfulcity.nl)
  • For this we used the solvent methylene chloride. (procast.us)
  • 10 Eki 2019 Methylene chloride was used as solvent. (kenhmarkt.nl)
  • Methylene Chloride is a colorless liquid that is primarily used as a solvent. (kenhmarkt.nl)
  • Workers may be harmed from exposure to methylene chloride. (cdc.gov)
  • The following resources provide information about occupational exposure to methylene chloride. (cdc.gov)
  • Criteria for a Recommended Occupational Exposure Standard for Methylene Chloride -DHHS (NIOSH) Publication No. 76-138. (cdc.gov)
  • Exposure to methylene chloride occurs mostly from breathing contaminated air, but may also occur through skin contact or by drinking contaminated water. (cdc.gov)
  • Exposure to high levels of methylene chloride is likely if methylene chloride or a product containing it is used in a room with inadequate ventilation. (cdc.gov)
  • How can families reduce the risk of exposure to methylene chloride? (cdc.gov)
  • Several tests can measure exposure to methylene chloride. (cdc.gov)
  • Since methylene chloride methylene chloride is another frequent source of evaporates into air rapidly, exposure by breathing is exposure. (cdc.gov)
  • This occupational health standard establishes requirements for employers to control occupational exposure to methylene chloride (MC). (wa.gov)
  • Occupational exposure to methylene chloride and other solvents has been linked with increased risk of miscarriage. (ewg.org)
  • OSHA is amending its standard regulating occupational exposure to methylene chloride (29 CFR 1910.1052) by adding a provision for temporary medical removal protection benefits for employees who are removed or transferred to another job because of a medical determination that exposure to methylene chloride may aggravate or contribute to the employee's existing skin, heart, liver, or neurological disease. (osha.gov)
  • Since then, at least four people - including two workers - have died from methylene chloride exposure. (earthjustice.org)
  • Acute exposure to methylene chloride can cause asphyxiation, heart failure, even sudden death, while long-term exposure increases risks of cancer, liver disease, and other serious health effects. (earthjustice.org)
  • According to OSHA, at least 14 American workers died refinishing bathtubs due to methylene chloride exposure between 2000 and 2013. (msdsonline.com)
  • Working without being trained on the hazards of exposure to methylene chloride. (msdsonline.com)
  • Exposure to methylene chloride, also known as dichloromethane, has been associated with a higher risk of cancer and neurological and liver problems in workers, according to a 2014 assessment conducted by EPA. (acs.org)
  • Exposure to methylene chloride by inhalation exposure can cause nose and throat irritation and can impair the central nervous system. (forensisgroup.com)
  • Methylene chloride exposure can result in serious adverse health effects including organ toxicity, effects on the central nervous system, cardiovascular effects and possibly cancer. (turi.org)
  • He was refinishing the floor of his small business when he died from exposure to toxic methylene chloride fumes. (momscleanairforce.org)
  • OSHA's recent review of the agency's methylene chloride standard indicates the standard is succeeding in protecting workers from the effects of methylene chloride exposure such as respiratory and central nervous system failure and cancer. (reduceyourworkerscomp.com)
  • The study estimates that each year the standard protects as many as 30,000 to 54,000 workers from damage to their respiratory and nervous systems and prevents approximately 34 deaths from cancer and other illnesses caused by methylene chloride exposure. (reduceyourworkerscomp.com)
  • The agency concluded these estimates resulted from the lowered permissible exposure limit required in the final methylene chloride standard published in January 1997. (reduceyourworkerscomp.com)
  • In 2014, EPA found that exposure to methylene chloride - frequently used for bathtub refinishing - may cause cancer, harm to the central nervous system and toxicity to the liver, among other adverse health effects. (safetyandhealthmagazine.com)
  • Atlanta - Bathtub refinishers may be at risk for exposure to methylene chloride from paint-stripping products, according to an article published in the Feb. 24 issue of the Centers for Disease Control and Prevention's Morbidity and Mortality Weekly Report . (safetyandhealthmagazine.com)
  • The principal hazards associated with occupational exposure to methylene chloride are the health effects it produces. (nc.gov)
  • The primary routes of exposure to methylene chloride are by inhalation and direct contact with the skin and eyes. (nc.gov)
  • Studies of long term (chronic) exposure to methylene chloride suggest that methylene chloride is also a potential human carcinogen. (nc.gov)
  • Herein we report changes in physical and molecular-level properties of five coatings upon exposure to components of the paint stripper including methylene chloride and phenol. (dtic.mil)
  • People with existing liver, nervous system, or skin problems may worsen after exposure to methylene chloride. (wikipedia.org)
  • Many chemical waste sites, including NPL sites, depend on the dose, the duration, how you are contain methylene chloride and these might act as exposed, personal traits and habits, and whether additional sources of environmental contamination other chemicals are present. (cdc.gov)
  • To build upon our strategy to maintain continual improvement in health and environmental safety for products, we have added many alternative chemical paint removers, and will phase out of paint removal products that contain methylene chloride and N-Methylpyrrolidone (NMP) by the end of 2018. (homedepot.com)
  • OSHA is advising that there are safer alternatives to products that contain methylene chloride. (augerlaw.com)
  • Whenever possible, employees should avoid using products that contain methylene chloride. (nc.gov)
  • Dozens of uses of methylene chloride pose an unreasonable risk to workers and consumers, the US Environmental Protection Agency says in a draft assessment released on Oct. 29. (acs.org)
  • The latest assessment finds unreasonable risks for most industrial and commercial uses of methylene chloride even with the use of respirators. (acs.org)
  • So it shouldn't be surprising that EPA's draft - even coming from an administration not known to be overly worried about the risks of chemicals - has found that most industrial, commercial and consumer uses of methylene chloride present unreasonable risks. (edf.org)
  • In June 2017, EPA announced that it will not re-evaluate the paint stripping uses of methylene chloride. (coatingsworld.com)
  • It did so in response to a petition from the Halogenated Solvents Industry Association (HSIA), which has expressly stated that it petitioned CPSC for a new label in an effort to stymie finalization of EPA's proposal to ban such uses of methylene chloride. (edf.org)
  • EPA's proposed ban clearly indicated and extensively documented that labeling would be insufficient to mitigate the risks posed by these uses of methylene chloride to consumers and workers. (edf.org)
  • Sen. Tom Carper released a statement March 15 reacting to the Environmental Protection Agency's final rule banning consumer uses of methylene chloride but allowing its continued use in commercial settings. (middletowntranscript.com)
  • On March 27, 2019, the US Environmental Protection Agency (EPA) published a final rule in the Federal Register ( 84 FR 11420 ) to prohibit the manufacture (including import), processing, and distribution of methylene chloride, also known as dichloromethane, in paint and coating removal products. (sgs.com)
  • Methylene chloride (CH 2 Cl 2 ), also known as dichloromethane, is one example of a class of chemicals known as chlorinated hydrocarbons. (nc.gov)
  • Methylene Chloride is a colourless, non-flammable and volatile liquid chlorinated hydrocarbon also known as dichloromethane. (chlorinated-solvents.eu)
  • Backed by the team of adroit professional & experience in this industry, our company is recognized as one of the renowned manufacturers and exporters of Methylene Chloride, which is also known as dichloromethane. (eceko.pl)
  • Backed by the team of adroit professional experience in this industry, our company is recognized as one of the renowned manufacturers and exporters of Methylene Chloride, which is also known as dichloromethane.Methylene chloride is widely used in various industries such as paint remover, adhesives, pharmaceutical and metal cleaning and degreasing. (pelikanpardubice.cz)
  • After more than a month's delay , EPA today released its draft risk evaluation for methylene chloride. (edf.org)
  • The US Environmental Protection Agency (EPA) has prohibited methylene chloride in paint and coating removal products. (sgs.com)
  • This final rule stems from the EPA's determination that the use of methylene chloride in paint and coating removal products presents an unreasonable risk to consumers. (sgs.com)
  • While the EPA's final finding on methylene chloride will not be known for at least a few more months, employers can keep workers safe by remembering OSHA's warnings about conditions that can lead to danger when working with methylene chloride. (msdsonline.com)
  • EPA's just-released methylene chloride draft ris. (edf.org)
  • EPA's methylene chloride half-measure leaves a number of unanswered questions. (edf.org)
  • EDF is encouraged by EPA's statement last week that it has decided move forward to finalize its proposed rule banning methylene chloride in paint stripping products. (edf.org)
  • Methylene chloride (MC)" means an organic compound with chemical formula, CH2Cl2. (wa.gov)
  • Methylene chloride is an organic compound with the formula ch2Cl2. (hallsretail.com)
  • 2019-8-19 Methylene chloride(CH2Cl2) is a chlorinated hydrocarbon that has been utilized as an inward breath soporific and goes about as an opiate in high fixations. (pelikanpardubice.cz)
  • CH4 + Cl2 → CH3Cl + HCl CH3Cl + Cl2 → CH2Cl2 + HCl CH2Cl2 + Cl2 → CHCl3 + HCl CHCl3 + Cl2 → CCl4 + HCl The output of these processes is a mixture of chloromethane, dichloromethane, chloroform, and carbon tetrachloride as well as hydrogen chloride as a byproduct. (wikipedia.org)
  • For example, in a recent letter to the EPA , the Halogenated Solvents Industry Alliance (HSIA) contended that alternatives to methylene chloride "pose greater risks of flammability and/or toxicity," and asserted that the chemical is already "among the most thoroughly studied and heavily regulated of all industrial chemicals. (msdsonline.com)
  • Thermo Fisher has developed these new methylene chloride solvents to deliver an interference-free baseline in chromatograms for better detection of trace levels of target analytes. (spectroscopynow.com)
  • Deals in Solvents, Chemicals, Methylene Chloride. (indianyellowpages.com)
  • Methylene chloride acts by penetrating the coating and enabling other solvents in penetrating the coating. (dtic.mil)
  • According to the final rule, the EPA requires manufacturers (including importers), processors, and distributors, except for retailers, of methylene chloride of any use after August 26, 2019, to notify downstream users of these prohibitions, and keep documentation. (sgs.com)
  • The Environmental Protection Agency promulgated a Final Rule on March 27, 2019 to prohibit the manufacture (including import), processing, and distribution in commerce of methylene chloride for consumer paint and coating removal, including distribution to and by retailers. (lion.com)
  • Starting November 29, 2019, all persons are prohibited from manufacturing, processing, and distributing methylene chloride for consumer paint and coating removal and distributing methylene chloride and methylene chloride-containing products for paint and coating removal to retailers. (lion.com)
  • Additionally, starting August 26, 2019 , anyone who manufactures, processes, or distributes methylene chloride for any use must notify the companies to whom the methylene chloride is shipped of these new restrictions. (lion.com)
  • Anyone who manufactures, processes, or distributes methylene chloride after August 26, 2019 must retain documents showing contact information for the company to whom the methylene chloride was shipped, a copy of the notification provided, and the amount of the methylene chloride shipped. (lion.com)
  • Breathing the vapors given off by products containing methylene chloride. (cdc.gov)
  • Paint removal products containing methylene chloride will not be able to be sold at any retail or distribution establishments that have consumer sales, including e-commerce sales. (epa.gov)
  • This section applies to all occupational exposures to methylene chloride (MC), Chemical Abstracts Service Registry Number 75-09-2, in general industry, construction and shipyard employment. (wa.gov)
  • Exposures to methylene chloride are addressed in specific OSHA standards for general industry, maritime, and construction. (osha.gov)
  • Acute exposures to methylene chloride from these products may cause dizziness, loss of consciousness, coma and death as a result of nervous system depression. (sgs.com)
  • Acute (short-term) exposures to methylene chloride fumes can rapidly cause dizziness, loss of consciousness, and death due to nervous system depression. (epa.gov)
  • Video case study that demonstrates the hazards of using methylene chloride and safer alternatives that are available. (turi.org)
  • Employers are advised to comply with OSHA's Methylene Chloride Standard ( 1910.1052 ) and to consider alternative methods of bathroom stripping. (safetyandhealthmagazine.com)
  • Families may be exposed to methylene chloride while using products such as paint removers. (cdc.gov)
  • It can be found in the methylene chloride in the environment changes certain aerosol and pesticide products and is used in to carbon dioxide (CO2), which is already present in the manufacture of photographic film. (cdc.gov)
  • When methylene automotive cleaners, and other household products. (cdc.gov)
  • You may be exposed to methylene chloride in air, water, food, or from consumer products. (cdc.gov)
  • Prohibited for all persons from distributing in commerce methylene chloride, including any methylene chloride containing products, for paint and coating removal to retailers. (sgs.com)
  • In addition to paint removal products, methylene chloride is also used in the manufacture of decaffeinated coffee and tea, and food flavoring extracts. (msdsonline.com)
  • The move, announced on May 10, follows a visit with EPA Administrator Scott Pruitt by families of men whose deaths were linked to methylene chloride in paint-removing products purchased at home improvement stores. (acs.org)
  • Methylene chloride in paint removers and many other products poses a health risk to workers, the US EPA says. (acs.org)
  • OSHA and the National Institute for Occupational Safety and Health ( NIOSH ) are warning workers and employers about the dangers of using methylene chloride-based stripping products in bathtub refinishing. (ishn.com)
  • Methylene chloride, a chemical used in industrial processes, but also available in over-the-counter paint and finish stripping products, has been implicated in at least 14 deaths since 2000 of workers refinishing bathtubs. (ishn.com)
  • yet the latter is the subpopulation most often reported to be harmed through use of methylene chloride-containing paint and coating removal products. (edf.org)
  • Thermo Fisher Scientific has launched its new Chemical Optima and GC Resolv methylene chloride products for customers in the pharmaceutical, environmental, food and chemical industries. (spectroscopynow.com)
  • Image of Chemical Optima and GC Resolv methylene chloride products courtesy of Thermo Fisher Scientific. (spectroscopynow.com)
  • Many of the nation's biggest hardware store chains and paint manufacturers - those which arguably profit the most from selling methylene chloride-based products - have already removed or announced plans to remove this harmful type of paint stripper from their shelves. (middletowntranscript.com)
  • Zip-Strip® Paint Stripper outperforms competitor products and is the next generation breakthrough Methylene Chloride free format - equally effective as prior technology! (recochem.com)
  • We doesn't provide methylene chloride paint remover products or service, please contact them directly and verify their companies info carefully. (xpandrally.com)
  • As of that same date, retailers are prohibited from distributing methylene chloride and methylene chloride-containing products for paint and coating removal. (lion.com)
  • Specific text, to be found in 40 CFR 751.107, must be inserted into the Safety Data Sheet (SDS) for the methylene chloride or for methylene chloride-containing products. (lion.com)
  • In recent years, products containing 1-bromopropane , an unregulated chemical, have been substituted for those with methylene chloride. (nc.gov)
  • When workers must use methylene chloride-containing products, the work should be done is a well ventilated area. (nc.gov)
  • Alibaba.com offers 2,377 methylene chloride products. (leconservediangela.it)
  • Manufacturer and Supplier of Methylene Chloride, Suppliers and exporters of agro products like guar gum powder, nut shell, cotton seed hulls and cane fiber. (pelikanpardubice.cz)
  • sodium chloride products are most popular in Southeast Asia, Domestic Market, and North America. (pelikanpardubice.cz)
  • 461 products China Organic foam grade Chemicals Dichloromethane msds 99.99% Methylene Chloride price. (kenhmarkt.nl)
  • The bottle says that the product contains a methanol/methylene chloride mixture but no % of each (either that I am blind s a bat). (sciencemadness.org)
  • Effect of methanol/methylene chloride extract of Terminalia glaucescens leaves on glucose level, weight gain and lipids parameters on normal mice. (memoireonline.com)
  • During 30 days mice were treated with methanol/methylene chloride extract of T glaucescens leaves (100, 200 and 300 mg/kg body weight). (memoireonline.com)
  • These results indicate that the methanol/methylene chloride extract of T glaucescens leaves could have anti-obesity and could prevent cardiovascular diseases. (memoireonline.com)
  • Methylene chloride is a likely human carcinogen and has acute effects on the central nervous system, including loss of consciousness and death. (acs.org)
  • The neurotoxicity of methylene chloride (MC) is of special interest because of its acute effects on the central nervous system (CNS) and its metabolic conversion to carbon monoxide. (bmj.com)
  • The cause of the worker's death has been ruled as asphyxiation with acute methylene chloride toxicity. (augerlaw.com)
  • Methylene chloride also know as dichloromethane is the least toxic of the simple chlorohydrocarbons, but it is not without its health risks as its high volatility makes it an acute inhalational hazard. (pyrodata.com)
  • Neurotoxic effects of methylene chloride: are they long lasting in humans? (bmj.com)
  • Skin contact with methylene chloride causes burning and redness of the skin. (cdc.gov)
  • Direct contact with methylene chloride can cause burns to the skin and eyes. (opeslimited.com)
  • Methylene chloride (CH 2 Cl 2 ) is a colorless liquid that can harm the eyes, skin, liver, and heart. (cdc.gov)
  • Methylene chloride is a colorless liquid with a mild, sweet odor. (cdc.gov)
  • Methylene chloride, also known as easily in water, small amounts may be found in dichloromethane, is a colorless liquid that has a some drinking water. (cdc.gov)
  • Methylene chloride is a clear colorless liquid with a chloroform-like odor. (brenntag.com)
  • Hazards - methylene chloride, also called dichloromethane, is a colorless liquid that can the. (pekarna.tv)
  • Methylene chloride is a volatile, colorless liquid that has a chloroform-like odor. (nc.gov)
  • Most methylene chloride gets in the environment from its use in industry and from home use of aerosols and paint removers. (everything2.com)
  • WASHINGTON - Today, the U.S. Environmental Protection Agency (EPA) issued a final rule to prohibit the manufacture (including import), processing, and distribution of methylene chloride in all paint removers for consumer use. (epa.gov)
  • People have died after being incapacitated during paint and coating removal with methylene chloride. (epa.gov)
  • To the extent that consumers want to avoid the unreasonable health risks, consumers should not use methylene chloride for paint and coating removal. (epa.gov)
  • Earlier this year, the EPA banned the use of methylene chloride in paint removers sold to consumers, but the agency stopped short of prohibiting its use in commercial paint removers. (acs.org)
  • The U.S. Environmental Protection Agency (EPA) announced upcoming actions on methylene chloride, a chemical that can be used for paint stripping. (coatingsworld.com)
  • In January 2017, EPA proposed prohibiting the consumer and commercial paint stripping uses for methylene chloride. (coatingsworld.com)
  • All methylene chloride paint remover wholesalers & methylene chloride paint remover manufacturers come from members. (xpandrally.com)
  • This report assesses the impact on industry from increased regulatory restrictions on the use of methylene chloride in paint stripping applications. (turi.org)
  • In January 2017, EPA issued a proposed rule covering methylene chloride in both consumer and commercial paint and coating removing and proposed to regulate N-methylpyrrolidone (NMP) in paint and coating removal. (lion.com)
  • The March 27 Final Rule does not include action neither on methylene chloride in commercial paint and coating removal nor on NMP in paint and coating removal. (lion.com)
  • The Agency today also published an Advanced Notice of Proposed Rulemaking (APRM) regarding the establishment of a training, certification, and limited access for methylene chloride in commercial paint and coating removal. (lion.com)
  • Last week, EPA Administrator Andrew Wheeler signed a Final Rule to prohibit the manufacture (including import), processing, and distribution of methylene chloride in all paint removers for consumer use . (lion.com)
  • Methylene chloride can easily be purchased from paint and hardward stores. (pyrodata.com)
  • Choose from our selection of methylene Chloride, including paint and coating removers, chemicals, and more. (pekarna.tv)
  • Methylene chloride is used in various industrial processes, in many different industries including paint stripping, pharmaceutical manufacturing, paint remover … May cause irritation of respiratory tract. (pekarna.tv)
  • 2017119-Methylene chloride, also called dichloromethane, is a volatile chemical that has a variety of uses, including paint and coating removal. (leconservediangela.it)
  • However, despite repeated promises to finalize that proposal, the Trump administration reversed course and excluded workers from its final methylene chloride rule. (earthjustice.org)
  • EPA announced in May 2018 that they would finalize the methylene chloride rulemaking and send it to the Office of Management and Budget (OMB). (lion.com)
  • The EPA considers methylene chloride likely carcinogenic to people. (ewg.org)
  • EPA considers methylene chloride to be a probable human carcinogen. (nap.edu)
  • While several organic compounds were detected in the vapor samples used in the reenactment of the preparation of mounts from the extracts of nuclear grade high-efficiency particulate air filter fiberglass samples, the most significant species present in the samples were methylene chloride, phenol, phenol-d6, and 2-fluorophenol. (unt.edu)
  • Our results show very different behavior for methylene chloride and phenol. (dtic.mil)
  • The startup dates established by the methylene chloride standard, as amended by this final rule, are shown in the following table, with the provisions whose startup dates have already passed listed as being 'in effect. (osha.gov)
  • The methylene chloride rule sends a clear message to workers that their lives matter less than chemical industry profits. (earthjustice.org)
  • While the EPA included NMP in the January 2017 proposed rule, the Agency is opting to subject NMP to a separate risk evaluation process under LCSA rather than including it in the methylene chloride risk evaluation. (lion.com)
  • Washington - The Environmental Protection Agency's recent final rule banning methylene chloride for consumer use has advocacy groups and lawmakers concerned that continued commercial use of the hazardous chemical leaves workers at risk. (safetyandhealthmagazine.com)
  • If you work in an industry that uses methylene chloride, please read chemical labels and the accompanying Safety Data Sheet for hazard information. (cdc.gov)
  • The EWG Health Guideline of 4 ppb for dichloromethane (methylene chloride) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. (ewg.org)
  • In recent years, OSHA has issued hazard alerts for methylene chloride, with a special focus on the dangers it poses for workers engaged in bathtub refinishing. (msdsonline.com)
  • Methylene chloride is designated as a Higher Hazard Substance under TURA, which lowers the reporting threshold to 1,000 lb/year, effective January 2014. (turi.org)
  • An investigation of four cases of source reduction as a hazard prevention strategy in Massachusetts companies that had used methylene chloride, an occupational carcinogen, for cleaning and adhesive thinning. (turi.org)
  • Methylene chloride is commercially produced along with methyl chloride, nonflammable liquid belonging to the family of organic halogen compounds. (colourfulcity.nl)
  • Providing here the database of methyl chloride (cas no 74-87-3), methyl chloride manufacturers, suppliers and exporters. (eceko.pl)
  • Based on OSHA investigations, the report identified 13 methylene chloride-related deaths among bathroom refinishers from 2000 to 2011. (safetyandhealthmagazine.com)
  • NIOSHTIC-2 search results on methylene chloride -NIOSHTIC-2 is a searchable database of worker safety and health publications, documents, grant reports, and journal articles supported in whole or in part by NIOSH. (cdc.gov)
  • Immediately Dangerous to Life or Health Concentrations (IDLH) of Methylene Chloride -NIOSH reviews relevant scientific data and researches methods for developing IDLH values. (cdc.gov)
  • What happens to methylene chloride when it enters the environment? (cdc.gov)
  • Note: A gas above 104°F.] Methylene chloride is manufactured using AGC's proprietary production method as "Asahi Chloromethane," a methane-based chlorine derivative with a carbon number of 1. (pekarna.tv)
  • 1910.1052 , Methylene Chloride. (osha.gov)
  • Find here Methylene Chloride, Dichloromethane manufacturers, suppliers & exporters in India. (eceko.pl)
  • methylene chloride manufacturer/supplier, China methylene chloride manufacturer & factory list, find qualified Chinese methylene chloride manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.com. (eceko.pl)
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  • TradeFord.com is a growing Manufacturer Directory and B2B Marketplace connecting Global Methylene Chloride Importers, Exporters, Suppliers, Traders and Manufacturers at a reliable, common platform. (eceko.pl)
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  • There are 600 3 sodium chloride suppliers, mainly located in Asia. (pelikanpardubice.cz)
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  • Volatile Organic Compounds (VOCs) are a large group of chemicals that are found methylene chloride, tetrachloroethylene, toluene, xylene, and 1,3- butadiene. (colourfulcity.nl)
  • Because methylene chloride is denser than water, it will be the bottom layer and acetanilide is soluble in methylene chloride, then it will be in the bottom layer with the methylene chloride (organic layer), while the top layer contained aqueous water and sodium benzoate because sodium benzoate is an ionic compound, thus is soluble in water. (procast.us)
  • Methylene chloride is used in pharmaceutical manufacturing and polyurethane foam manufacturing. (nytimes.com)
  • The summary of product characteristics for methylthioninium chloride has now been updated to mention the possibility of CNS toxicity in patients being treated with serotonergic drugs such as selective serotonin reuptake inhibitor (SSRI) antidepressants, clomipramine, and venlafaxine. (www.gov.uk)
  • OSHA also encourages workers to use long-handed tools when working with methylene chloride - to avoid leaning directly over the source of the fumes - and/or to use respirators, protective gloves, and other appropriate PPE. (msdsonline.com)
  • Using methylene chloride-based stripping agents to remove bathtub coatings. (msdsonline.com)
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  • 2000. Toxicological profile for Methylene Chloride. (cdc.gov)
  • So the good news is that EPA seems to be acknowledging that methylene chloride presents high enough risks to warrant regulation under the Toxic Substances Control Act (TSCA). (edf.org)
  • The Lautenberg Chemical Safety for the 21st Century Act, which amended the Toxic Substances Control Act (TSCA), requires EPA to perform risk evaluations on the uses of ten specific chemicals including methylene chloride. (coatingsworld.com)
  • Methylene chloride was one of the first ten chemicals to be considered a high priority for risk assessment under TSCA Reform (the Lautenberg Chemical Safety for the 21st Century Act or LCSA) on December 19, 2016. (lion.com)
  • 2016115-2012: EPA identified methylene chloride as a TSCA Work Plan chemical for assessment. (leconservediangela.it)
  • These workers were generally working alone, in poorly ventilated bathrooms, with inadequate or no respiratory protection , and no training about the hazards of methylene chloride. (ishn.com)
  • Results of the review showed the risks of developing and dying from cancer and respiratory health issues still exist and require a continuation of the methylene chloride standard. (reduceyourworkerscomp.com)
  • This section highlights OSHA standards and documents related to methylene chloride. (osha.gov)
  • So while it's somewhat encouraging that this new draft risk evaluation has found many more risks than previous drafts, we can already tell the draft falls far short of adequately describing the risks presented by methylene chloride. (edf.org)
  • Methylene chloride is among the first 10 chemicals EPA is evaluating for potential health and environmental risks under the act. (safetyandhealthmagazine.com)
  • Methylene chloride is a possible mutagen and is reasonably anticipated to be a human carcinogen. (forensisgroup.com)
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  • Methylene chloride may enter your body when you cities ranges from 33 to 309 micrograms per day (1 breathe vapors of contaminated air. (cdc.gov)
  • According to OSHA, workers using methylene chloride "are at increased risk of developing cancer, adverse effects on the heart, central nervous system and liver, and skin or eye irritation. (msdsonline.com)
  • Methylene chloride will eat through latex gloves, so workers need rubber or PVA gloves to stay protected. (msdsonline.com)
  • OSHA has recently released a warning to workers regarding the dangers of methylene chloride. (augerlaw.com)
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