Pentachlorophenol
An insecticide and herbicide that has also been used as a wood preservative. Pentachlorphenol is a widespread environmental pollutant. Both chronic and acute pentachlorophenol poisoning are medical concerns. The range of its biological actions is still being actively explored, but it is clearly a potent enzyme inhibitor and has been used as such as an experimental tool.
2,4,5-Trichlorophenoxyacetic Acid
Herbicides
Desulfitobacterium
Dioxins
Biodegradation, Environmental
Fungicides, Industrial
Cyclodextrins
A homologous group of cyclic GLUCANS consisting of alpha-1,4 bound glucose units obtained by the action of cyclodextrin glucanotransferase on starch or similar substrates. The enzyme is produced by certain species of Bacillus. Cyclodextrins form inclusion complexes with a wide variety of substances.
Water Purification
Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation. It includes treatment of WASTE WATER to provide potable and hygienic water in a controlled or closed environment as well as provision of public drinking water supplies.
Water Pollutants, Chemical
Decolorization and detoxification of extraction-stage effluent from chlorine bleaching of kraft pulp by Rhizopus oryzae. (1/308)
Rhizopus oryzae, a zygomycete, was found to decolorize, dechlorinate, and detoxify bleach plant effluent at lower cosubstrate concentrations than the basidiomycetes previously investigated. With glucose at 1 g/liter, this fungus removed 92 to 95% of the color, 50% of the chemical oxygen demand, 72% of the adsorbable organic halide, and 37% of the extractable organic halide in 24 h at temperatures of 25 to 45 degrees C and a pH of 3 to 5. Even without added cosubstrate the fungus removed up to 78% of the color. Monomeric chlorinated aromatic compounds were removed almost completely, and toxicity to zebra fish was eliminated. The fungal mycelium could be immobilized in polyurethane foam and used repeatedly to treat batches of effluent. The residue after treatment was not further improved by exposure to fresh R. oryzae mycelium. (+info)Initial reactions in the biodegradation of 1-chloro-4-nitrobenzene by a newly isolated bacterium, strain LW1. (2/308)
Bacterial strain LW1, which belongs to the family Comamonadaceae, utilizes 1-chloro-4-nitrobenzene (1C4NB) as a sole source of carbon, nitrogen, and energy. Suspensions of 1C4NB-grown cells removed 1C4NB from culture fluids, and there was a concomitant release of ammonia and chloride. Under anaerobic conditions LW1 transformed 1C4NB into a product which was identified as 2-amino-5-chlorophenol by 1H and 13C nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry. This transformation indicated that there was partial reduction of the nitro group to the hydroxylamino substituent, followed by Bamberger rearrangement. In the presence of oxygen but in the absence of NAD, fast transformation of 2-amino-5-chlorophenol into a transiently stable yellow product was observed with resting cells and cell extracts. This compound exhibited an absorption maximum at 395 nm and was further converted to a dead-end product with maxima at 226 and 272 nm. The compound formed was subsequently identified by 1H and 13C NMR spectroscopy and mass spectrometry as 5-chloropicolinic acid. In contrast, when NAD was added in the presence of oxygen, only minor amounts of 5-chloropicolinic acid were formed, and a new product, which exhibited an absorption maximum at 306 nm, accumulated. (+info)Superficial buffer barrier and preferentially directed release of Ca2+ in canine airway smooth muscle. (3/308)
We examined cytosolic concentration of Ca2+ ([Ca2+]i) in canine airway smooth muscle using fura 2 fluorimetry (global changes in [Ca2+]i), membrane currents (subsarcolemmal [Ca2+]i), and contractions (deep cytosolic [Ca2+]i). Acetylcholine (10(-4) M) elicited fluorimetric, electrophysiological, and mechanical responses. Caffeine (5 mM), ryanodine (0.1-30 microM), and 4-chloro-3-ethylphenol (0.1-0.3 mM), all of which trigger Ca2+-induced Ca2+ release, evoked Ca2+ transients and membrane currents but not contractions. The sarcoplasmic reticulum (SR) Ca2+-pump inhibitor cyclopiazonic acid (CPA; 10 microM) evoked Ca2+ transients and contractions but not membrane currents. Caffeine occluded the response to CPA, whereas CPA occluded the response to acetylcholine. Finally, KCl contractions were augmented by CPA, ryanodine, or saturation of the SR and reduced when SR filling state was decreased before exposure to KCl. We conclude that 1) the SR forms a superficial buffer barrier dividing the cytosol into functionally distinct compartments in which [Ca2+]i is regulated independently; 2) Ca2+-induced Ca2+ release is preferentially directed toward the sarcolemma; and 3) there is no evidence for multiple, pharmacologically distinct Ca2+ pools. (+info)Earthworm egg capsules as vectors for the environmental introduction of biodegradative bacteria. (4/308)
Earthworm egg capsules (cocoons) may acquire bacteria from the environment in which they are produced. We found that Ralstonia eutropha (pJP4) can be recovered from Eisenia fetida cocoons formed in soil inoculated with this bacterium. Plasmid pJP4 contains the genes necessary for 2,4-dichlorophenoxyacetic acid (2,4-D) and 2, 4-dichlorophenol (2,4-DCP) degradation. In this study we determined that the presence of R. eutropha (pJP4) within the developing earthworm cocoon can influence the degradation and toxicity of 2,4-D and 2,4-DCP, respectively. The addition of cocoons containing R. eutropha (pJP4) at either low or high densities (10(2) or 10(5) CFU per cocoon, respectively) initiated degradation of 2,4-D in nonsterile soil microcosms. Loss of 2,4-D was observed within the first week of incubation, and respiking the soil with 2,4-D showed depletion within 24 h. Microbial analysis of the soil revealed the presence of approximately 10(4) CFU R. eutropha (pJP4) g-1 of soil. The toxicity of 2,4-DCP to developing earthworms was tested by using cocoons with or without R. eutropha (pJP4). Results showed that cocoons containing R. eutropha (pJP4) were able to tolerate higher levels of 2,4-DCP. Our results indicate that the biodegradation of 2, 4-DCP by R. eutropha (pJP4) within the cocoons may be the mechanism contributing to toxicity reduction. These results suggest that the microbiota may influence the survival of developing earthworms exposed to toxic chemicals. In addition, cocoons can be used as inoculants for the introduction into the environment of beneficial bacteria, such as strains with biodegradative capabilities. (+info)Heat-induced expression and chemically induced expression of the Escherichia coli stress protein HtpG are affected by the growth environment. (5/308)
Differences in expression of the Escherichia coli stress protein HtpG were found following exposure of exponentially growing cells to heat or chemical shock when cells were grown under different environmental conditions. With an htpG::lacZ reporter system, htpG expression increased in cells grown in a complex medium (Luria-Bertani [LB] broth) following a temperature shock at 45 degrees C. In contrast, no HtpG overexpression was detected in cells grown in a glucose minimal medium, despite a decrease in the growth rate. Similarly, in pyruvate-grown cells there was no heat shock induction of HtpG expression, eliminating the possibility that repression of HtpG in glucose-grown E. coli was due to catabolite repression. When 5 mM phenol was used as a chemical stress agent for cells growing in LB broth, expression of HtpG increased. However, when LB-grown cells were subjected to stress with 10 mM phenol and when both 5 and 10 mM phenol were added to glucose-grown cultures, repression of htpG expression was observed. 2-Chlorophenol stress resulted in overexpression of HtpG when cells were grown in complex medium but repression of HtpG synthesis when cells were grown in glucose. No induction of htpG expression was seen with 2, 4-dichlorophenol in cells grown with either complex medium or glucose. The results suggest that, when a large pool of amino acids and proteins is available, as in complex medium, a much stronger stress response is observed. In contrast, when cells are grown in a simple glucose mineral medium, htpG expression either is unaffected or is even repressed by imposition of a stress condition. The results demonstrate the importance of considering differences in growth environment in order to better understand the nature of the response to an imposed stress condition. (+info)Fraction of electrons consumed in electron acceptor reduction and hydrogen thresholds as indicators of halorespiratory physiology. (6/308)
Measurements of the hydrogen consumption threshold and the tracking of electrons transferred to the chlorinated electron acceptor (f(e)) reliably detected chlororespiratory physiology in both mixed cultures and pure cultures capable of using tetrachloroethene, cis-1, 2-dichloroethene, vinyl chloride, 2-chlorophenol, 3-chlorobenzoate, 3-chloro-4-hydroxybenzoate, or 1,2-dichloropropane as an electron acceptor. Hydrogen was consumed to significantly lower threshold concentrations of less than 0.4 ppmv compared with the values obtained for the same cultures without a chlorinated compound as an electron acceptor. The f(e) values ranged from 0.63 to 0.7, values which are in good agreement with theoretical calculations based on the thermodynamics of reductive dechlorination as the terminal electron-accepting process. In contrast, a mixed methanogenic culture that cometabolized 3-chlorophenol exhibited a significantly lower f(e) value, 0.012. (+info)Biodegradation of pentachlorophenol in a continuous anaerobic reactor augmented with Desulfitobacterium frappieri PCP-1. (7/308)
In this work, a strain of anaerobic pentachlorophenol (PCP) degrader, Desulfitobacterium frappieri PCP-1, was used to augment a mixed bacterial community of an anaerobic upflow sludge bed reactor degrading PCP. To estimate the efficiency of augmentation, the population of PCP-1 in the reactor was enumerated by a competitive PCR technique. The PCP-1 strain appeared to compete well with other microorganisms of the mixed bacterial community, with its population increasing from 10(6) to 10(10) cells/g of volatile suspended solids within a period of 70 days. Proliferation of strain PCP-1 allowed for a substantial increase of the volumetric PCP load from 5 to 80 mg/liter of reaction volume/day. A PCP removal efficiency of 99% and a dechlorination efficiency of not less than 90.5% were observed throughout the experiment, with 3-Cl-phenol and phenol being observable dechlorination intermediates. (+info)Reductive dehalogenation and conversion of 2-chlorophenol to 3-chlorobenzoate in a methanogenic sediment community: implications for predicting the environmental fate of chlorinated pollutants. (8/308)
Biotransformation of 2-chlorophenol by a methanogenic sediment community resulted in the transient accumulation of phenol and benzoate. 3-Chlorobenzoate was a more persistent product of 2-chlorophenol metabolism. The anaerobic biotransformation of phenol to benzoate presumably occurred via para-carboxylation and dehydroxylation reactions, which may also explain the observed conversion of 2-chlorophenol to 3-chlorobenzoate. (+info)Chlorophenols | Public Health Statement | ATSDR
ATSDR - Public Health Statement: Chlorophenols
Removal of phenol and chlorophenols from water with reusable dye-affinity hollow fibers | AVESİS
Evaluation of liquid-phase microextraction conditions for determination of chlorophenols in environmental samples using gas...
US EPA Method 8041: GC Analysis of Phenols on Equity®-5 | Sigma-Aldrich
Extraction and Determination of Three Chlorophenols by Hollow Fiber Liquid Phase Microextraction - Spectrophotometric Analysis,...
NIOSHTIC-2 Publications Search - 20033934 - Cancer mortality in workers exposed to phenoxy herbicides, chlorophenols, and...
Clay-organic complexes as adsorbents for phenol and chlorophenols | Clays and Clay Minerals | GeoScienceWorld
Toxicity assessment of chlorophenols using a mediated microbial toxicity assay
2,3,4-Trichlorophenol 15950-66-0 MSDS, Safety Technical Specifications MSDS
Microbial Removal of Phenol and P-Chlorophenol from Industrial Waste Water Using Rhodococcus sp.RSP8 and Its Growth Kinetic...
DSpace at KIST: Photocatalytic degradation of chlorophenol compounds using poly aromatic star copolymer
Fixed-bed adsorption performance of oil palm shell-based activated carbon for removal of 2,4,6-trichlorophenol - UNIMAS...
Degradative Oxidation of 2,4,6 Trichlorophenol Using Advanced Oxidation Processes - A Comparative Study | SpringerLink
CISDOC - Chemical exposure in manufacture of phenoxy herbicides and chlorophenols and in spraying of phenoxy herbicides
Peer Evaluation : Determination of Isotopic Abundance of 2H, 13C, 18O, and 37Cl in Biofield Energy Treated Dichlorophenol...
Bioremediation of low-permeability, pentachlorophenol-contaminated soil by laboratory and full-scale processes
4-chlorophenol, 99+%, ACROS Organics™ 500g; Glass bottle 4-chlorophenol, 99+%, ACROS Organics™
| Fisher Scientific
Molecules | Free Full-Text | Residue Dynamics and Risk Assessment of Prochloraz and Its Metabolite 2,4,6-Trichlorophenol in...
Times Beach, Missouri - Wikipedia
Improving DTA and BOD MICREDOX® for commercial application : a thesis submitted in partial fulfilment of the requirements for...
Investigation of UV-assisted chlorophenol congeners’ degradation by organic oxidant |italic|p|/italic|-nitrobenzoic acid...
Degradation of chlorophenol mixtures in a fed-batch system by two soil bacteria
Triclofenol Piperazine
IJMS | Free Full-Text | Structural and Catalytic Differences between Two FADH2-Dependent Monooxygenases: 2,4,5-TCP 4...
Peer Evaluation : Studies on Physicochemical Properties of Biofield Treated 2,4-Dichlorophenol
Degradation of substituted phenols with different oxygen sources catalyzed by Co(II) and Cu(II) phthalocyanine complexes |...
Asian Science Citation Index - Articles written by Andrea Czollner
2,4,5-Trichlorophenol | URAT1 inhibitor urat1inhibitor.com
Author: Zhang, Di / Journal: RSC advances / Subject: X-ray diffraction - PubAg Search Results
NMR Spectrum
Products in Indicators, G-Biosciences on Thomas Scientific
TDMS Study 05052-01 Pathology Tables
bmse000674 2,6-dichlorophenol at BMRB
17609-80-2 - 4-Amino-3-chlorophenol, 95% - 2-Chloro-4-hydroxyaniline - H66310 - Alfa Aesar
Oral carcinogenicity and toxicity of 2-amino-4-chlorophenol in rats. | Sigma-Aldrich
ICSC 1652 - 2-AMINO-4-CHLOROPHENOL
4-chlorophenol - Registration Dossier - ECHA
NIOSHTIC-2 Publications Search - 20024930 - Evaluation of cardiovascular outcomes among U.S. workers exposed to 2,3,7,8...
Allergy and Immunology | eMEDICINELIVE
The Effect of Bulky Substituents on the Formation of Symmetrically Trisubstituted Triptycenes
2,6-二氯苯酚标准溶液,87-65-0,阿拉丁试剂网-阿拉丁aladdin
TCP11L1抗体|Abcam中国|Anti-TCP11L1抗体
2013-02-11 06:30:34 PM
Arthrobacter chlorophenolicus Westerberg et al. ATCC ® 700700D-5&t
Interlaboratory validation of PrEN 12673: Water quality - Gas Chromatographic determination of some selected chlorophenols in...
Journal Highlight: Determination of chlorophenols in water using dispersive liquid-liquid microextraction coupled with water-in...
Analysis of Periplasmic Sensor Domains from Anaeromyxobacter Dehalogenans 2CP-C: Structure of one Sensor Domain from a...
Dichlorophenol Manufacturers, Stockists, Suppliers, Dealers in Dubai - Dubai Yellow Pages Online
New Peptidic Neuroprotectants Against NMDA Neurotoxicity: Syntheses and Biological Evaluations of Linear Complestatin Analogs |...
Desulfitobacterium hafniense PCP-1 | Philosophical Transactions of the Royal Society B: Biological Sciences
Soft-tissue sarcoma - Wikipedia
2,3,4,6-Tetrachlorophenol 58902
Estimating the effect of burrowing shrimp on deep-sea sediment community oxygen consumption (detailed view)
EWG Tap Water Database | Waukesha Water Utility | Pentachlorophenol
EWG Tap Water Database | Rapid Creek Ridge | Pentachlorophenol
ROS-triggered signaling pathways involved in the cytotoxicity and tumor promotion effects of pentachlorophenol and...
SWISSPROT: Q2IMM3 ANADE
Synthesis and Antibacterial Activities of 1-Alkyl-3-methacryloyl Acryloyl of Benzimidazolone Thione Derivatives - pdf descargar
Technical guidance on Pentachlorophenol (PCP)
The trans-continental distributions of pentachlorophenol and pentachloroanisole in pine needles indicate separate origins
Whole-genome sequencing, genome mining, metabolic reconstruction and evolution of pentachlorophenol and other xenobiotic...
Pentachlorophenol Market to Penetrate Untapped Regions During 2018-2028
2,5-dichlorophenol - Registration Dossier - ECHA
BHC - HCH - HEXACHLOROCYCLOHEXANE)2-BENZYL-4-CHLOROPHENOL
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PROSITE
Pentachlorophenol esters - Substance Information - ECHA
2,2-(p-phenylenediethene-2,1-diyl)bisbenzonitrile - Registration Dossier - ECHA
Dichlofenthion
Radiometric dating scientists measure
2,4-Dichlorophenol
Desmurs J, Ratton S. Chlorophenols. In: Kirk-Othmer Encyclopedia of Chemical Technology, 4th Edition. Kroschwitz JI, Howe-Grant ... "Chlorophenols". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a07_001.pub2. ...
Dichlorophenol
Chlorophenol Trichlorophenol Pentachlorophenol François Muller, Liliane Caillard (2011). "Chlorophenols". Ullmann's ...
Hexachlorocyclohexa-2,5-dien-1-one
François Muller, Liliane Caillard (2011). "Chlorophenols". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH ...
2,6-Dichlorophenol
Its pKa is 6.78, which is about 100x more acidic than 2-chlorophenol (8.52) and 1000x more acidic than phenol itself (9.95). It ... 2,6-Dichlorophenol at Sigma-Aldrich François Muller; Liliane Caillard (2011). "Chlorophenols". Ullmann's Encyclopedia of ...
Cumene process
3-Chlorophenol, which does not arise by chlorination of phenol, can be produced by Cumene process beginning with the alkylation ... François Muller, Liliane Caillard (2011). "Chlorophenols". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH ...
Phenol
François Muller, Liliane Caillard (2011). "Chlorophenols". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH ...
Reductive dechlorination
Hoke, Jeffrey B.; Gramiccioni, Gary A.; Balko, Edward N. (1992). "Catalytic hydrodechlorination of chlorophenols". Applied ... "Electrochemical Dechlorination of 4-Chlorophenol to Phenol". Environmental Science & Technology. 31 (4): 1074-1078. Bibcode: ...
Hypochlorite
For example, they convert phenols to chlorophenols. Calcium hypochlorite converts piperidine to N-chloropiperidine. Chlorine ...
Ohio River Park
Chlorophenols are common in pesticide and industrial waste. 2,4-D and 2,4,5-T were herbicides used to make Agent Orange in the ... 2-chlorophenol, and 2,4-dichlorophenol did not meet the water quality criteria (WQC) suggested by the EPA. CERCLA was designed ... "Toxicological Profile of Chlorophenols and Their Derivatives in the Environment: The Public Health Perspective". The Scientific ... 2-chlorophenol, 2,4-dichlorophenoxyacetic acid (2,4-D), naphthalene, bis (2-ethylhexyl) phthalate, diethyl phthalate, Silvex ( ...
Desulfomonile tiedjei
Mohn WW, Kennedy KJ (April 1992). "Reductive dehalogenation of chlorophenols by Desulfomonile tiedjei DCB-1". Applied and ...
Herbaspirillum chlorophenolicum
nov., a 4-chlorophenol-degrading bacterium". International Journal of Systematic and Evolutionary Microbiology. 54 (3): 851-5. ... Herbaspirillum chlorophenolicum is a 4-chlorophenol-degrading bacterium from the genus Herbaspirillum. "CIP 108432 Strain ...
2,3,7,8-Tetrachlorodibenzodioxin
It is, however, formed as a synthesis side product when producing certain chlorophenols or chlorophenoxy acid herbicides. It ... chlorophenols, and dioxins". Am J Epidemiol. 145 (12): 1061-1075. doi:10.1093/oxfordjournals.aje.a009069. PMID 9199536. Schwarz ... "Cancer mortality in workers exposed to chlorophenoxy herbicides and chlorophenols". The Lancet. 338 (8774): 1027-1032. doi: ...
Cork taint
Chlorophenols can also be a product of the chlorine bleaching process used to sterilize corks (not in use anymore); this has ... Chlorophenols taken up by cork trees are an industrial pollutant found in many pesticides and wood preservatives, which may ... Chlorine dioxide has not been shown to produce these spontaneous chlorophenols. Chlorine dioxide is a relatively new agent ... but most results when naturally occurring airborne fungi are presented with chlorophenol compounds, which they then convert ...
Pseudarthrobacter defluvii
... has the ability to degrade 4-chlorophenol. Kim, K. K.; Lee, K. C.; Oh, H.-M.; Kim, M. J.; Eom, M. K ... nov., 4-chlorophenol-degrading bacteria isolated from sewage". International Journal of Systematic and Evolutionary ...
Novosphingobium lentum
... has the ability to degrade chlorophenol. Parte, A.C. "Novosphingobium". LPSN. "Novosphingobium lentum". ... psychrotolerant and non-motile bacterium from the genus Novosphingobium which has been isolated from chlorophenol-contaminated ...
Electro-oxidation
"Electrochemical oxidation of several chlorophenols on diamond electrodes Part I. Reaction mechanism". Journal of Applied ... "Electrochemical Oxidation of 4-Chlorophenol for Wastewater Treatment: Definition of Normalized Current Efficiency (φ)". Journal ...
Hydrogen peroxide
Pera-Titus M, Garcıa-Molina V, Baños MA, Giménez J, Esplugas S (February 2004). "Degradation of chlorophenols by means of ...
Herbicide
1997). "Cancer mortality in workers exposed to phenoxy herbicides, chlorophenols, and dioxins. An expanded and updated ...
Lysol
Formulations containing chlorophenol are still available in the United Kingdom. In 1911, poisoning by drinking Lysol was the ...
Desulfitobacterium hafniense
nov., an anaerobic bacterium which reductively dechlorinates pentachlorophenol to 3-chlorophenol". International Journal of ... "A Desulfitobacterium strain isolated from human feces that does not dechlorinate chloroethenes or chlorophenols". Archives of ... are facultatively organohalide respiring bacteria capable of reductive dechlorination of organohalides such as chlorophenols, ...
2,4,6-Trichloroanisole
Chlorophenols can also be a product of the chlorine bleaching process used to sterilize or bleach wood, paper, and other ... The chlorophenols can originate from various contaminants such as those found in some pesticides and wood preservatives. ... They can also migrate from other objects such as shipping pallets treated by chlorophenols. TCA is a potent blocker of cyclic ...
2,4,6-Trichlorophenol
Muller, François; Caillard, Liliane (2011-10-15), "Chlorophenols", in Wiley-VCH Verlag GmbH & Co. KGaA (ed.), Ullmann's ...
Dioxins and dioxin-like compounds
A tank of chlorophenols released its contents to air including many kilograms of TCDD, and contaminated much of the city. The ... Dioxins are formed as important toxic side products in the production of PCBs, chlorophenols, chlorophenoxy acid herbicides, ... Synthesis side products of several chemicals, especially PCBs, chlorophenols, chlorophenoxy acid herbicides, and ... even in cases of severe contamination due to the main chemicals such as chlorophenols. In surface waters, dioxins are bound to ...
Pentachlorophenol
ToxFAQs for Chlorophenols, Agency for Toxic Substances and Disease Registry Edgerton TR, Moseman RF. Determination of ...
Monochlorophenol
There are three isomers, 2-chlorophenol, 3-chlorophenol, and 4-chlorophenol. Chlorophenol Monobromophenol Record in the GESTIS ...
Chloroacetic acid
... is also used in the production of phenoxy herbicides by etherification with chlorophenols. In this way 2- ...
Pseudarthrobacter chlorophenolicus
nov., a new species capable of degrading high concentrations of 4-chlorophenol". International Journal of Systematic and ... Pseudarthrobacter chlorophenolicus is a species of bacteria capable of degrading high concentrations of 4-chlorophenol, hence ...
Colorimetric analysis
... in some methods the phenol is replaced by 4-chlorophenol, which is less toxic) Perid = peroxidase In ultraviolet (UV) methods ... 4-chlorophenol --(enzyme peroxidase)--> colored complex Urea + water --(enzyme urease)--> ammonium carbonate Ammonium carbonate ...
Arthrobacter
A. crystallopoietes and A. chlorophenolicus have been shown to reduce hexavalent chromium and 4-chlorophenol levels in ... nov., a new species capable of degrading high concentrations of 4-chlorophenol". International Journal of Systematic and ...
Predicted no-effect concentration
Deriving the aquatic predicted no-effect concentrations (PNECs) of three chlorophenols for the Taihu Lake, China. Journal of ...
Chlorophenols | ToxFAQs™ | ATSDR
Chlorophenols are a group of compounds that are used in a number of industries and products. Exposure to high levels can cause ... What are chlorophenols? Chlorophenols are a group of man-made chemicals. There are different types of chlorophenol chemicals. ... Small amounts of chlorophenols can enter the air.. In the air, sunlight helps destroy chlorophenols and rain washes them out of ... What happens to chlorophenols in the environment?. Chlorophenols can get into the environment when they are being made or being ...
Toxicological Profile for Chlorophenols | Peer Review Agenda | ATSDR
Chlorophenol - Wikipedia
Monochlorophenol (3 positional isomers) 2-Chlorophenol 3-Chlorophenol 4-Chlorophenol Dichlorophenol (6 positional isomers) 2,3- ... Most chlorophenols are solid at room temperature. They have a strong, medicinal taste and smell. Chlorophenols are commonly ... There are five basic types of chlorophenols (mono- to pentachlorophenol) and 19 different chlorophenols in total when ... There is a total of 19 chlorophenols, corresponding to the different ways in which chlorine atoms can be attached to the five ...
4-Chlorophenol | C6H4ClOH - PubChem
Chlorophenol Red-b- D -galactopyranoside = 90 HPLC 99792-79-7
Chlorophenol Red-β-D-galactoside );≥90% HPLC; Suitable as substrate for β-galactosidase; ... Chlorophenol Red-β-D-galactopyranoside has been used as a substrate for β-galactosidase (β-gal):. *in paper-based cell-free ... Chlorophenol red-β-D-galactopyranoside (CPRG) is a long-wavelength yellow dye commonly used for colorimetric assays. It serves ... as a substrate for β-galactosidase (β-gal) which hydrolyzes CPRG to form chlorophenol red (purple colored). This product is ...
Chlorophenol red - CAMEO
CHLOROPHENOLS, LIQUID - HNS Convention
Solar photocatalytic degradation of 4-chlorophenol: Mechanism and kinetic modelling
... 194481_194481.pdf (196.7Kb) ... The present study reports a mechanism and kinetic model of solar photocatalytic degradation of 4-chlorophenol (4-CP) and its ... The influences of ferric ions (Fe3+) and hydrogen peroxide (H2O2) on the degradation of combined chlorophenols during solar/ ... The solar-photocatalytic degradation mechanisms and kinetics of 4-chlorophenol (4-CP) and 2,4-dichlorophenol (2,4-DCP) using ...
Results of search for 'su:{Chlorophenols}'
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WHO HQ Library catalog
Biomonitoring Summary | CDC
Toxicological Profiles | ATSDR
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IMSEAR at SEARO: Removal of phenol and chlorophenols from water by coir pith carbon: equilibrium and rate studies.
Namasivayam C, Kavitha D. Removal of phenol and chlorophenols from water by coir pith carbon: equilibrium and rate studies. ... Acidic pH was favorable for the adsorption of all the chlorophenols. Studies on pH effect and desorption show that ... Removal of phenol and chlorophenols from water by coir pith carbon: equilibrium and rate studies. ...
B-Cell Lymphoma: Practice Essentials, Background, Classification
B-Cell Lymphoma: Practice Essentials, Background, Classification
Institut de Recerca de l'Aigua - Universitat de Barcelona
PD - Camphor Mono-Chlorophenol (CMCP) - Dandal
4-BROMO-3-CHLOROPHENOL | 13631-21-5
You can also browse global suppliers,vendor,prices,Price,manufacturers of 4-BROMO-3-CHLOROPHENOL(13631-21-5). At last,4-BROMO-3 ... CHLOROPHENOL(13631-21-5) safety, risk, hazard and MSDS, CAS,cas number,Use,cas no may also be you need. ... Visit ChemicalBook To find more 4-BROMO-3-CHLOROPHENOL(13631-21-5) information like chemical properties,Structure,melting point ... 4-BROMO-3-CHLOROPHENOL Chemical Properties,Usage,Production. Uses. 4-Bromo-3-chlorophenol is used as a precursor in organic ...
P-CHLOROPHENOL Mass Spectrum
Summit Environmental Testing | 4-CHLOROPHENOL
3964-52-1 | 4-Amino-2-Chlorophenol - Anax Laboratories
2,4-Dichlorophenol - Wikipedia
Chloro Phenol Red Indicator AR Manufacturer,Supplier,Exporter and Wholesaler
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One-step extraction and derivatization liquid-phase microextraction for the determination of chlorophenols by gas...
A sample pretreatment method for the determination of 18 chlorophenols (CPs) in aqueous samples by derivatization liquid-phase ... One-step extraction and derivatization liquid-phase microextraction for the determination of chlorophenols by gas ... One-step extraction and derivatization liquid-phase microextraction for the determination of chlorophenols by gas ... One-step extraction and derivatization liquid-phase microextraction for the determination of chlorophenols by gas ...
Mono Chloro Phenol (1.3 ~ 1.35 / 1.40 ~ 1.45), Chloro in Vadodara, Gujarat - India
P-Chlorophenol|106-48-9--Inner Mongolia Yida Chemical Technology Co., Ltd.
Removal of chlorophenols from aquatic systems using the dried and dead fungus Pleurotus sajor caju | AVESİS
Biosorption of phenol or chlorophenols reached equilibrium in 4 h. The maximum adsorptions of phenol and chlorophenols onto the ... The affinity order was as follows: 2,4,6-trichlorophenol > p-chloroplienol > o-chlorophenol > phenol. Phenol and chlorophenols ... Removal of chlorophenols from aquatic systems using the dried and dead fungus Pleurotus sajor caju ... In this study, the potential use of the fungus Pleurotus sajor caju to remove phenols (i.e., phenol, o-chlorophenol, p- ...
PentachlorophenolPhotocatalytic degradationChlorineAdsorption of phenolPhenol and chlorophenolsDegradation of chlorophenolsChlorobenzenesHerbicidesOrtho-PhenylphenolRemovalToluenePhenolsWood PreservativesCresolsDioxinsDeterminationChlorobenzeneDisinfectantsPollutantPesticidesPhotolyticDioxinTitaniaHydrogen peroxideCresolCompoundsBiosorptionSubstrateSoilKineticsMedicinalExposureIndicatorManufactureProductsToxicHighSolutionCarbonFamilyTypeModelAffectSolidLargeCallStudies
Pentachlorophenol2
- There are five basic types of chlorophenols (mono- to pentachlorophenol) and 19 different chlorophenols in total when positional isomerism is taken into account. (wikipedia.org)
- Chlorophenols other than pentachlorophenol / published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization. (who.int)
Photocatalytic degradation2
- The present study reports a mechanism and kinetic model of solar photocatalytic degradation of 4-chlorophenol (4-CP) and its intermediates based on the experimental results. (edu.au)
- The solar-photocatalytic degradation mechanisms and kinetics of 4-chlorophenol (4-CP) and 2,4-dichlorophenol (2,4-DCP) using TiO2 have been investigated both individually and combined. (edu.au)
Chlorine6
- A chlorophenol is any organochloride of phenol that contains one or more covalently bonded chlorine atoms. (wikipedia.org)
- Chlorophenols are produced by electrophilic halogenation of phenol with chlorine. (wikipedia.org)
- There is a total of 19 chlorophenols, corresponding to the different ways in which chlorine atoms can be attached to the five carbons in the benzene ring of the phenol molecule, excluding the carbon atom to which the hydroxy group is attached. (wikipedia.org)
- 2-chlorophenol, for example, is the isomer that has a chlorine atom in the ortho position. (wikipedia.org)
- Chlorophenols are formed during the combustion of chlorine-containing wastes. (unibuc.ro)
- However, if too much chlorine is used, it can give the beer an unpleasant chlorophenol flavor. (coalitionbrewing.com)
Adsorption of phenol2
- The adsorption of phenol and chlorophenols increased with increasing pH. (sdu.edu.tr)
- It is shown that the adsorption of phenol and 3-chlorophenol from aqueous solutions, by basic active carbons and at an equilibrium solution pH below that of dissociation of the phenols, can be described by an equation of the DRK type with exponent n = 4. (rero.ch)
Phenol and chlorophenols3
- IMSEAR at SEARO: Removal of phenol and chlorophenols from water by coir pith carbon: equilibrium and rate studies. (who.int)
- The maximum adsorptions of phenol and chlorophenols onto the Pleurotus sajor caju were 0.95 mmol/g for phenol, 1.24 mmol/g for o-chlorophenol, 1.47 mmol/g for p-chlorophenol and 1.89 mmol/g for 2,4,6-trichlorophenol. (sdu.edu.tr)
- Phenol and chlorophenols bindings onto Pleurotus sajor caju were clearly pH dependent. (sdu.edu.tr)
Degradation of chlorophenols1
- Complete degradation of chlorophenols and high COD removal efficiencies were observed throughout the SBRs operation. (metu.edu.tr)
Chlorobenzenes1
- The behavior of PCDD/Fs, PCBs, chlorobenzenes and chlorophenols in wet scrubbing system of municipal solid waste incinerator. (semanticscholar.org)
Herbicides2
- Chlorophenols are commonly used as pesticides, herbicides, and disinfectants. (wikipedia.org)
- Chlorophenols can be incorporated into pesticides and herbicides, with 2,5-dichlorophenol (2,5-DCP) also used as a disinfectant. (news-medical.net)
Ortho-Phenylphenol1
- A few that I found were: ortho-phenylphenol, ortho-benzyl-para-chlorophenol, ortho-phenylphenol, para-tertiary-amylpheno. (survivingshtfmom.com)
Removal2
- Removal of chlorophenols from aquatic sy. (sdu.edu.tr)
- Removal of 2-chlorophenol from water by adsorption combined with TiO 2 photocatalysis. (u-szeged.hu)
Toluene1
- IGA 7.16 alone was capable of growth on toluene and p-chlorophenol. (dcu.ie)
Phenols3
- In this study, the potential use of the fungus Pleurotus sajor caju to remove phenols (i.e., phenol, o-chlorophenol, p-chlorophenol and 2,4,6-trichlorophenol) from aqueous solutions was evaluated. (sdu.edu.tr)
- 1.1 This test method covers a direct aqueous injection procedure for the gas-liquid chromatographic determination of phenols, cresols, and mono- and di-chlorophenols in water. (astm.org)
- Other members of the family include the chlorophenols, which tend to be far more persistent, toxic and bioaccumulative than non-chlorinated phenols. (unibuc.ro)
Wood Preservatives1
- Chlorophenols are used as wood preservatives, disinfectants and antiseptics and as ingredients in pesticides. (unibuc.ro)
Cresols1
- By employing a combination of in silico structure guided approaches, mutagenesis and isothermal calorimetric studies, we were able to generate biosensor templates, that can selectively and specifically sense harmful compounds like chlorophenols, cresols, catechol, and xylenols. (monash.edu)
Dioxins1
- Hexachlorodibenzo-p-dioxins (HCDD) are formed during the manufacture of certain chlorophenols. (nih.gov)
Determination1
- Engineering of core-shell Au [email protected] electrocatalyst for sensitive voltammetric determination of 2-chlorophenol in aquaculture. (gale.com)
Chlorobenzene1
- 4-Bromo-3-chlorophenol is used as a precursor in organic synthesis to prepare 4-(benzyloxy)-l-bromo-2-chlorobenzene by reaction with benzyl bromide. (chemicalbook.com)
Disinfectants1
- 16 Other chemicals found include volatile organic compounds (common in paint and cleaning products), ultrafine particles (which are damaging to lungs), 2-chlorophenol (used in disinfectants) and other carcinogens. (adf.org.au)
Pollutant1
- Objective To improve the service life, electrocatalytic activity, electrocatalytic selectivity of the Ti-base lead dioxide electrode for the target pollutant of 2-chlorophenol. (surface-techj.com)
Pesticides2
Photolytic1
- Photolytic dechlorination of 4-chlorophenol using an ArF* excimer laser. (ncsu.edu)
Dioxin1
- Much space is devoted to the possible role of dioxin constituents in poisoning by commercial-grade chlorophenol and to the haematological toxicity of this substance. (ilo.org)
Titania1
- The initial kinetics of the oxidation of 4-chlorophenol, 4-CP, photocatalyzed by titania films and aqueous dispersions were studied as a function of oxygen partial pressure, PO2, and incident light intensity, I. The reaction conditions were such that the kinetics were independent of [4-CP] but strongly dependent on PO2-a situation that allowed investigation of the less-often studied kinetics of oxygen reduction. (strath.ac.uk)
Hydrogen peroxide2
- The influences of ferric ions (Fe3+) and hydrogen peroxide (H2O2) on the degradation of combined chlorophenols during solar/TiO2 process were investigated. (edu.au)
- The hydrogen peroxide combines with 4-chlorophenol under the action of peroxidase to produce an oxidation product that that does not react with the colorometric component of reagent 2. (cdc.gov)
Cresol1
- 1.2 The precision and bias of the test method has been calculated from the results of interlaboratory analyses of three master solutions, each containing phenol, p -cresol, p -chlorophenol, 3,5-dichlorophenol. (astm.org)
Compounds1
- The bleach oxidizes the 2-benzyl-4-chlorophenol that is in Lysol, resulting in various irritating and toxic compounds. (timberbrit.com)
Biosorption2
- Biosorption of phenol or chlorophenols reached equilibrium in 4 h. (sdu.edu.tr)
- Biosorption of phenol and 2-chlorophenol by Funaliatrogii pellets. (medwelljournals.com)
Substrate2
- It serves as a substrate for β-galactosidase (β-gal) which hydrolyzes CPRG to form chlorophenol red (purple colored). (sigmaaldrich.com)
- LacZα protein hydrolyses substrate (Chlorophenol red-β-D-galactopyranoside), which is yellow. (igem.org)
Soil2
- Chlorophenols stick to soil and sediments (the dirt deposits) at the bottom of lakes, streams, and rivers. (cdc.gov)
- Low levels of chlorophenols in water, soil, or sediment are broken down and removed from the environment in a few days to weeks by microorganisms (natural types of bacteria). (cdc.gov)
Kinetics1
- Aerobic biodegradation kinetics of 4-Chlorophenol (4-CP) and 2,4-Dichlorophenol (2,4-DCP) by acclimated mixed cultures were examined separately and in mixture using batch and sequencing batch reactors (SBRs). (metu.edu.tr)
Medicinal1
- Medicinal The band-aid or diaper aromas and flavor, the Chlorophenols of the phenolics family, aren't always bad, but when they are too strong, boy they're hard to overlook. (brookstonbeerbulletin.com)
Exposure2
Indicator1
- The Archival pen contains bromcresol green indicator solution, while the Lineco and Abbey pH pens contain chlorophenol red indicator solution. (mfa.org)
Manufacture1
- 2-Amino-4-chlorophenol is a chemical used in the manufacture of pharmaceuticals and of dyes for textiles and other consumer products. (iarc.fr)
Products2
Toxic1
- Emergency Planning and Community Right-to-Know section 313 : list of toxic chemicals within the chlorophenols category. (epa.gov)
High2
- Workers who were exposed to high levels of chlorophenols experienced tremors, convulsions (spasms), and central nervous system depression (drowsiness, lack of coordination). (cdc.gov)
- Animals given high levels of chlorophenols in their food or water also developed liver damage and lost weight. (cdc.gov)
Solution3
- In solution, chlorophenol red is yellow at pH 5.2 and changes to violet at pH 6.8. (mfa.org)
- Their electric catalysis and electro catalytic selectivity were analyzed by static anodic polarization curves, the effect of electrolysing 2-chlorphenol solution was tested using the electro-oxidative degradation of 2-chlorophenol as the model response, the morphology and crystal phase of surface coating was characterized by scanning electron microscopy and X-ray diffraction. (surface-techj.com)
- It was found that the intramolecular hydrogen bond is intact in 2-nitrophenol and salicylic acid, and possibly in 2-hydroxybenzaldehyde, in all three solvents, but 2-chlorophenol is intramolecularly hydrogen bonded only in inert solution. (mdpi.com)
Carbon1
- Shindler, Y, Matatov-Meytal, Y & Sheintuch, M 2001, ' Wet hydrodechlorination of p-chlorophenol using Pd supported on an activated carbon cloth ', Industrial and Engineering Chemistry Research , vol. 40, no. 15, pp. 3301-3308. (gtiit.edu.cn)
Family1
- How can I protect myself and my family from chlorophenols? (cdc.gov)
Type1
- Rats and mice that ate one type of chlorophenol (2,4,6-trichlorophenol) for a long period of time developed leukemia (blood cancer) and liver cancer. (cdc.gov)
Model2
- Using p-chlorophenol (CP) as a model compound, the influence of the catalyst preparation procedure and Pd content have been studied at 30-85°C, showing good activity and selectivity. (gtiit.edu.cn)
- The purpose of this study was to compare the nephrotoxic potential of 4-aminophenol (4-AP), 4-amino-2-chlorophenol (4-A2CP), 4-amino-3-chlorophenol (4-A3CP) and 4-amino-2,6-dichlorophenol (4-A2,6DCP) using isolated renal cortical cells (IRCC) from male Fischer 344 rats as the model and to explore renal bioactivation mechanisms for 4-A2CP. (marshall.edu)
Affect1
- How can chlorophenols affect my health? (cdc.gov)
Solid1
- Most chlorophenols are solid at room temperature. (cdc.gov)
Large1
- Animals that ate large amounts of chlorophenol or were exposed to it on their skin also developed nervous system problems. (cdc.gov)
Call1
- If you think you have been exposed to chlorophenols, call your doctor, nurse, or poison control center. (cdc.gov)
Studies1
- Some studies have shown that people exposed to chlorophenols for a long time may develop certain types of cancer. (cdc.gov)