TrichloromethaneCarbon tetrachlorideOdor and a slightly sweet tasteEthanolMethanolChlorineExposureACETONEColorless liquid32ozReagentRefrigerantsBromoformSolventsVolatileConcentrationsSolventExposuresDichloromethaneNIOSHGuidelineAnestheticSignificantlySubstanceOccupational SafetyOccurClassificationHumansCompositionLaboratoryChlorinationCancerSoilWorkersToxic chemicalsOrganic chemicalsDataDangerousMoleculeHarm2021AnalysisPropertiesFailPhysicalSituationsMadeResistance
Trichloromethane6
- Useful search terms for chloroform include "methane trichloride" and "trichloromethane. (cdc.gov)
- Chloroform, or trichloromethane (often abbreviated as TCM), is an organic compound with the formula CHCl3 and a common solvent. (wikipedia.org)
- At 400-500 °C, a free radical halogenation occurs, converting these precursors to progressively more chlorinated compounds: CH4 + Cl2 → CH3Cl + HCl CH3Cl + Cl2 → CH2Cl2 + HCl CH2Cl2 + Cl2 → CHCl3 + HCl Chloroform undergoes further chlorination to yield carbon tetrachloride (CCl4): CHCl3 + Cl2 → CCl4 + HCl The output of this process is a mixture of the four chloromethanes: chloromethane, methylene chloride (dichloromethane), trichloromethane (chloroform), and tetrachloromethane (carbon tetrachloride). (wikipedia.org)
- Our reagent grade Chloroform (trichloromethane) contains a trace of ethanol as a stabilizer. (sciencecompany.com)
- The process also produces the other three C 1 chlorohydrocarbons-chloromethane, trichloromethane (chloroform), and tetrachloromethane (carbon tetrachloride). (acs.org)
- Occupational exposure to chloroform (trichloromethane) may occur during its production and use as a solvent and chemical intermediate. (who.int)
Carbon tetrachloride1
- carbon tetrachloride and chloroform, respectively, are much greater than that of the average human. (cdc.gov)
Odor and a slightly sweet taste1
- Chloroform is a colorless liquid with a pleasant, nonirritating odor and a slightly sweet taste. (cdc.gov)
Ethanol1
- To maximize transformants, purification by either a spin column or phenol/chloroform extraction and ethanol precipitation should be performed. (neb.com)
Methanol3
- It is soluble in water, methanol, and chloroform. (nih.gov)
- leaf methanol extract identified squalene as the major chemical compound. (bvsalud.org)
- Gas chromatography-mass spectrophotometer analysis identified the presence of squalene in the active methanol extract, chloroform fraction, and subfraction-1. (bvsalud.org)
Chlorine5
- Today, chloroform is used to make other chemicals and can also be formed in small amounts when chlorine is added to water. (cdc.gov)
- The chloroform molecule can be viewed as a methane molecule with three hydrogen atoms replaced with three chlorine atoms, leaving a single hydrogen atom. (wikipedia.org)
- Industrially, chloroform is produced by heating a mixture of chlorine and either methyl chloride (CH3Cl) or methane (CH4). (wikipedia.org)
- Whether you're looking for Chlorine Dioxide, Chloroform Powder, Chlorine Dioxide Powder etc, you can explore and find the best products from Tradeindia. (tradeindia.com)
- Chloroform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. (ewg.org)
Exposure11
- Exposure to chloroform may also cause cancer. (cdc.gov)
- Workers may be harmed from exposure to chloroform. (cdc.gov)
- The following resources provide information about occupational exposure to chloroform. (cdc.gov)
- NIOSH Criteria for a Recommended Standard: Occupational Exposure to Chloroform -DHHS (NIOSH) Publication No. 75-114. (cdc.gov)
- Occupational Health Guideline for Chloroform -This guideline is intended as a source of information for employees, employers, and those in the health professions who need more information on exposure to chloroform. (cdc.gov)
- The derived TTD values for intermediate inhalation exposure are listed in Table 21, which also lists the intermediate inhalation MRLs for each chemical. (cdc.gov)
- Occupational Health Guidelines for Chemical Hazards summarizes information on permissible exposure limits, chemical and physical properties, and health hazards. (cdc.gov)
- The greatest exposure to these types of chemicals seems to come from patronizing indoor swimming pool, less an issue in the summer months, but hours and hours spent in chlorinated water inside or out can be a hazard. (ecochildsplay.com)
- 2006). Chloroform exposure also may be occurring when people use triclosan-containing antibacterial soaps (Fiss et al. (who.int)
- Considerable efforts have been made to establish the levels of chloroform exposure in the general population using NHANES data (Riederer et al. (who.int)
- Personal exposure to metals (aluminum, iron) and 12 different organic chemicals were all below applicable NIOSH Recommended Exposure Limit values, but results are not reflective of all possible exposure scenarios. (cdc.gov)
ACETONE1
- Chloroform may also be produced on a small scale via the haloform reaction between acetone and sodium hypochlorite: 3 NaOCl + (CH3)2CO → CHCl3 + 2 NaOH + CH3COONa Deuterated chloroform is an isotopologue of chloroform with a single deuterium atom. (wikipedia.org)
Colorless liquid1
- Chloroform (CHCl 3 ) is a colorless liquid that quickly evaporates into gas. (cdc.gov)
32oz1
- Reagent Grade Chloroform, 32oz for sale. (sciencecompany.com)
Reagent1
- Our Toluene, ACS Reagent Grade, is of a chemical grade with highest purity and meets or exceeds purity standards set by the American Chemical Society (ACS). (sciencecompany.com)
Refrigerants2
- Chloroform is used in some refrigerants, solvents, and chemical manufacturing. (cdc.gov)
- Many VOCs are human-made chemicals that are used and produced in the manufacture of paints, pharmaceuticals, and refrigerants. (mauicounty.gov)
Bromoform1
- Reacts with chloroform and bromoform under basic conditions. (ilo.org)
Solvents4
- The chance of childhood cancers and birth defects increases if the dad works with solvents, cleaning solutions , paints and chemicals. (susansmithjones.com)
- Material and methods: Four solvents were tested: xylene, eucalyptol, orange oil and chloroform. (bvsalud.org)
- Despite of the easy gutta-percha removal obtained with the chemical solvents, these substances may show different degrees of dissolution and removal of the filling material from root canal and because of their toxic potential they may provoke damage to the patient 10 . (bvsalud.org)
- However, Wennberg and Orstavik 16 , aiming to test the capacity of action of some solvents alternative to chloroform, through the use of a device measuring the penetration depth onto a gutta-percha disc covered by the test solution at many time periods, concluded that at the environment temperature eucalyptol exhibited the least dissolution than the other solvents tested. (bvsalud.org)
Volatile2
- As chloroform is a volatile organic compound, it dissipates readily from soil and surface water and undergoes degradation in air to produce phosgene, dichloromethane, formyl chloride, carbon monoxide, carbon dioxide, and hydrogen chloride. (wikipedia.org)
- Volatile Organic compounds are chemicals that both vaporize into air and dissolve in water, having a high vapor pressure and low water solubility. (mauicounty.gov)
Concentrations3
- Immediately Dangerous to Life or Health Concentrations (IDLH) Value Profile: Chloroform -NIOSH reviews relevant scientific data and researches methods for developing IDLH values. (cdc.gov)
- Concentrations of chloroform in breath appear highly associated with levels in water, and blood and breath levels are also associated with each other (Gordon et al. (who.int)
- A custom-built ventilated enclosure evaluated at one facility was capable of reducing particle number and total organic chemical concentrations by 99.7% and 53.2%, respectively. (cdc.gov)
Solvent2
- Dichloromethane, commonly called methylene chloride, is a solvent that is widely used in chemical research and manufacturing. (acs.org)
- 20 , described a retreatment technique without chloroform and observed that heated eucalyptol had its solvent power increased. (bvsalud.org)
Exposures1
- Visit NIOSH's page on Managing Chemical Safety in the Workplace to learn more about controlling chemical workplace exposures. (cdc.gov)
Dichloromethane2
- Today, chloroform - along with dichloromethane - is prepared exclusively and on a massive scale by the chlorination of methane and chloromethane. (wikipedia.org)
- Former Molecules of the Week 1,4-dioxane , hexabromocyclododecane , 1-bromopropane , N -methyl-2-pyrrolidone , and dichloromethane , among several other chemicals, are at the center of a controversy about how the EPA's scientific advisory committees are evaluating risks of air pollution . (acs.org)
NIOSH1
- NIOSHTIC-2 search results on chloroform -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)
Guideline2
- Chloroform was found at 2.8 times above EWG's Health Guideline. (ewg.org)
- The EWG Health Guideline of 0.4 ppb for chloroform was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. (ewg.org)
Anesthetic4
- In the past, chloroform was used as an inhaled anesthetic during surgery, but it isn't used that way today. (cdc.gov)
- Chloroform is a trihalomethane that serves as a powerful anesthetic, euphoriant, anxiolytic, and sedative when inhaled or ingested. (wikipedia.org)
- Chloroform was used as an anesthetic between the 19th century and the first half of the 20th century. (wikipedia.org)
- Chloroform has many worthwhile properties-like being an anesthetic-which have been used throughout the years. (listverse.com)
Significantly2
- Chloroform does not significantly bioaccumulate in aquatic organisms. (wikipedia.org)
- As HCFC-22 production is phased out, chloroform production is expected to decrease significantly. (britannica.com)
Substance2
- This caused me to bestow this substance with the name "chloroform" [i.e., formyl chloride or chloride of formic acid]. (wikipedia.org)
- Chemical substance identification in air, bio-environments, medical products, etc., by various methods (apparatus - atomic absorption spectrometer (AAS) - Varian Spektra AAZ220 , phase contrast and light-polarization microscopes, gravimetry, HI8314 membrane pH meters, etc. (rsu.lv)
Occupational Safety1
- It provides recommendations for medical surveillance, respiratory protection, and personal protection and sanitation practices for specific chemicals that have Federal occupational safety and health regulations. (cdc.gov)
Occur2
- As discussed above, the mixture of chloroform, 1,1-dichloroethylene, trichloroethylene, and vinyl chloride was chosen as the subject for this interaction profile because these chemicals frequently occur in water around hazardous waste sites. (cdc.gov)
- Miscarriages are more likely to occur if the male is exposed to chemicals and heavy metals. (susansmithjones.com)
Classification1
- Globally Harmonized System of Classification and Labeling of Chemicals. (acs.org)
Humans4
- In 1847, Scottish obstetrician James Y. Simpson was the first to demonstrate the anaesthetic properties of chloroform on humans, provided by local pharmacist William Flockhart of Duncan, Flockhart and company, and helped to popularise the drug for use in medicine. (wikipedia.org)
- Of the 287 chemicals detected in the umbilical cord blood, (lots more below) 180 cause cancers in humans, 217 are toxic to the brain and nervous system, and 208 cause birth defects or abnormal development. (susansmithjones.com)
- There is inadequate evidence in humans for the carcinogenicity of chloroform. (who.int)
- Chloroform is possibly carcinogenic to humans (Group 2B) . (who.int)
Composition1
- Analysis of surface morphology showed that ETO and GR modified the PLA scaffolds without any change in its chemical composition. (bvsalud.org)
Laboratory3
- citation needed] In 1842, Robert Mortimer Glover in London discovered the anaesthetic qualities of chloroform on laboratory animals. (wikipedia.org)
- Consult your copy of the Flinn Science Catalog/Reference Manual for additional information about laboratory chemicals. (flinnsci.com)
- First, data such as regional hydrogeological parameters and types of contaminants were obtained via hydrogeological drilling, groundwater well monitoring, pumping tests, and laboratory permeability tests, which helped identify the most serious pollution factor: chloroform. (mdpi.com)
Chlorination2
- Regnault prepared chloroform by chlorination of chloromethane. (wikipedia.org)
- or by-products produced by chlorination in water treatment, such as chloroform. (mauicounty.gov)
Cancer1
- Chloroform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. (ewg.org)
Soil2
- Many kinds of seaweed produce chloroform, and fungi are believed to produce chloroform in soil. (wikipedia.org)
- Harmful heavy metals and chemicals are ingested by the mom-to-be everyday via air, water, soil and food. (susansmithjones.com)
Workers1
- The authors conclude that workers were not being continuously overexposed to the chemicals evaluated. (cdc.gov)
Toxic chemicals2
- The criteria for toxicity may be fulfilled if one or more of the following EPA-regulated toxic chemicals are present in a solution or compound at a concentration at or above the specified regulatory level. (umaryland.edu)
- Then below, as you scroll down, I go into many toxic chemicals found in our environments and bodies and how you can easily cleanse and detoxify your body - tips for everyone of all ages. (susansmithjones.com)
Organic chemicals2
- Organic chemicals are widely used as ingredients in household products. (mauicounty.gov)
- Fuels are made up of organic chemicals. (mauicounty.gov)
Data4
- If you work in an industry that uses chloroform, please read chemical labels and the accompanying Safety Data Sheets for hazard information. (cdc.gov)
- With the exception of chloroform, adequate chronic inhalation data are not available for most of the endpoints of concern for the chemicals that make up the mixture. (cdc.gov)
- Of 15 chemicals that were studied, data showed levels in the air that were "far beyond" safety limits established by the U.S. Environmental Protection Agency, he said. (clantonadvertiser.com)
- The problems are the lack of expertise in some of the committees and a shortage of adquate data to evaluate the chemicals. (acs.org)
Dangerous3
- Chloroform can be dangerous. (mysafetylabels.com)
- If these sound like dangerous chemicals, they are. (ecochildsplay.com)
- They say air in Birmingham, Montgomery, Mobile and Huntsville contains enough dangerous chemicals to potentially endanger the health of thousands of people. (clantonadvertiser.com)
Molecule1
- Learn more about this molecule from CAS , the most authoritative and comprehensive source for chemical information. (acs.org)
Harm1
- The dad-to-be is exposed to heavy metals and chemicals that can cause birth abnormalities and harm his child's health. (susansmithjones.com)
20212
- Information report on PIC-listed chemicals imported to the UK in 2021. (hse.gov.uk)
- 2020/2021 testing is for chemicals in EPA's Fourth Unregulated Contaminant Monitoring Rule (UCMR-4) only. (ewg.org)
Analysis1
- Certificates of Analysis for chemicals are available upon request. (sciencecompany.com)
Properties1
- The synthesized biolubricant was characterized by measuring its physical and chemical properties. (scirp.org)
Fail2
- No matter how scientifically accurate the rest of the movie is, writers often fail to research this misunderstood chemical. (listverse.com)
- It would be impossible for us to eliminate these chemicals right now or our agriculture industry could fail without the chemicals. (clantonadvertiser.com)
Physical1
- The palm kernel oil was and then characterized by physical and chemical methods. (scirp.org)
Situations1
- The classic inducers of porphyria attacks are chemicals or situations that boost heme synthesis. (medscape.com)
Made1
- In all, nine new recommendations relating to chemical shifts are made. (iupac.org)
Resistance2
- Chemical resistance of CPVC - Chlorinated Poly (Vinyl Chloride) - to common chemicals and products. (engineeringtoolbox.com)
- High-level glycopeptide resistance is conferred by a nol-chloroform extractions. (cdc.gov)