hexachlorobutadiene


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hexachlorobutadiene

[¦hek·sə¦klȯr·ō‚byüd·ə′dī‚ēn]
(organic chemistry)
Cl2C:CClCCl:CCl2 A colorless liquid with mild aroma, boiling at 210-220°C; soluble in alcohol and ether, insoluble in water; used as solvent, heat-transfer liquid, and hydraulic fluid.
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In practice, 32 substances are proposed as priority substances under the Framework Directive, divided into three groups:- 11 substances are proposed as "dangerous priority substances": brominated diphenylether, cadmium, chloroalcanes C10-13, hexachlorobenzene, hexachlorobutadiene, hexachlorocyclohexane; mercury, nonylphenols, poly-aromatic hydrocarbons(PAH) (pentachlorobenzene, tributytin compounds- 11 others as priority substances on appraisal: anthracene, atrazine, chlorpyrifos, di(2-ethylhexyl)phtalate (DEHP), endosulfan, lead, naphthalene, octylphenols, pentachlorophenol, trichlorobenzene, trifluralin.
The Persistent Organic Pollutants Review Committee, a subsidiary body of the Stockholm Convention on Persistent Organic Pollutants (POPs), recommended the inclusion of two additional chemicals under the Convention, polychlorinated napththalenes (PCN) and hexachlorobutadiene (HCBD), thus lining them up for eventual phase-out.
The role of cytochrome p4503a1/2 in the sex-specific sulfoxidation of the hexachlorobutadiene metabolite, N-acetyl-S-(pentachlorobutadienyl)-L-cysteine in rats.
In practice, 32 substances are proposed as priority substances under the Framework Directive:- brominated diphenylether, cadmium, chloroalcanes C10-13, hexachlorobenzene, hexachlorobutadiene, hexachlorocyclohexane; mercury, nonylphenols, poly-aromatic hydrocarbons(PAH) (pentachlorobenzene, tributytin compounds- 1 others as priority substances on appraisal : anthracene, atrazine, chlorpyrifos, di(2-ethylhexyl)phtalate (DEHP), endosulfan, lead, naphthalene, octylphenols, pentachlorophenol, trichlorobenzene, trifluralin.
Task I: Hexachlorobenzene and Hexachlorobutadiene Pollution from Chlorocarbon Processes.
Bacterial B-lyase mediated cleavage and mutagenicity of cysteine conjugates derived from the nephrocarcinogenic alkenes trichloroethylene, tetrachloroethylene, and hexachlorobutadiene.
Due to evidence of kidney tumors in animals, the other chemical, hexachlorobutadiene (HCB), has been classified by the U.