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Hexachlorocyclohexane (HCH), C. 6H. 6Cl. 6, is any of several polyhalogenated organic compounds consisting of a six-carbon ring with one chlorine and one hydrogen attached to each carbon. This structure has nine stereoisomers (eight diastereomers, one of which has two enantiomers), which differ by the stereochemistry of the individual chlorine ...
Infobox references. β-Hexachlorocyclohexane (β-HCH) is an organochloride which is one of the isomers of hexachlorocyclohexane (HCH). [1] It is a byproduct of the production of the insecticide lindane (γ-HCH). It is typically constitutes 5–14% of technical-grade lindane, [2] though it has not been produced or used in the United States since ...
Lindane is the gamma isomer of hexachlorocyclohexane ("γ-HCH"). In addition to the issue of lindane pollution, some concerns are related to the other isomers of HCH, namely alpha-HCH and beta-HCH, which are notably more toxic than lindane, lack its insecticidal properties, and are byproducts of lindane production. [ 6 ]
Hexachlorobenzene is an animal carcinogen and is considered to be a probable human carcinogen. [ 18 ] After its introduction as a fungicide in 1945, for crop seeds, this toxic chemical was found in all food types. [citation needed] Hexachlorobenzene was banned from use in the United States in 1966.
In enzymology, a haloalkane dehalogenase (EC 3.8.1.5) is an enzyme that catalyzes the chemical reaction. 1-haloalkane + H 2 O a primary alcohol + halide. Thus, the two substrates of this enzyme are 1-haloalkane and H 2 O, whereas its two products are primary alcohol and halide. This enzyme belongs to the family of hydrolases, specifically those ...
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Hexachlorocyclohexane. Lindane, its gamma isomer, an insecticide; Hexachlorobenzene, a fungicide This page was last edited on 8 June 2023 ...
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