β-Hexachlorocyclohexane (β-HCH) is an organochloride which is one of the isomers of hexachlorocyclohexane (HCH). It is a byproduct of the production of the insecticide lindane (γ-HCH). It is typically constitutes 5–14% of technical-grade lindane, though it has not been produced or used in the United States since 1985. As of 2009, the Stockholm Convention on Persistent Organic Pollutants classified α-hexachlorocyclohexane and β-HCH as persistent organic pollutants (POPs), due to the chemical's ability to persist in the environment, bioaccumulative, biomagnifying, and long-range transport capacity.
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| - Β-Hexachlorcyclohexan (de)
- Beta-Hexachlorocyclohexane (en)
- Β-esaclorocicloesano (it)
- Β-六氯环己烷 (zh)
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| rdfs:comment
| - Il β-esaclorocicloesano (β-HCH) è un alogenuro alchilico ed uno degli isomeri dell'esaclorocicloesano. È un sottoprodotto della produzione dell'insetticida chiamato "lindano", composto principalmente dell'isomero γ-esaclorocicloesano, che in grado commerciale ne contiene tracce. (it)
- β-六氯环己烷（英語：β-hexachlorocyclohexane，β-HCH）是一种有机氯杀虫剂，是六氯环己烷（HCH）的异构体之一。它是杀虫剂林丹（γ-HCH）的常见副产物，在技术级林丹中的含量为5-14%。 (zh)
- β-Hexachlorocyclohexane (β-HCH) is an organochloride which is one of the isomers of hexachlorocyclohexane (HCH). It is a byproduct of the production of the insecticide lindane (γ-HCH). It is typically constitutes 5–14% of technical-grade lindane, though it has not been produced or used in the United States since 1985. As of 2009, the Stockholm Convention on Persistent Organic Pollutants classified α-hexachlorocyclohexane and β-HCH as persistent organic pollutants (POPs), due to the chemical's ability to persist in the environment, bioaccumulative, biomagnifying, and long-range transport capacity. (en)
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| - β-Hexachlorocyclohexane (en)
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| - β-Hexachlorocyclohexane (en)
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| - Ball-and-stick model of the beta-hexachlorocyclohexane molecule (en)
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| - Beta-Hexachlorocyclohexane molecule ball.png (en)
- beta-hexachlorocyclohexane.svg (en)
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| OtherNames
| - β-BHC (en)
- β-Benzenehexachloride (en)
- β-HCH (en)
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| - β-Hexachlorocyclohexane (β-HCH) is an organochloride which is one of the isomers of hexachlorocyclohexane (HCH). It is a byproduct of the production of the insecticide lindane (γ-HCH). It is typically constitutes 5–14% of technical-grade lindane, though it has not been produced or used in the United States since 1985. As of 2009, the Stockholm Convention on Persistent Organic Pollutants classified α-hexachlorocyclohexane and β-HCH as persistent organic pollutants (POPs), due to the chemical's ability to persist in the environment, bioaccumulative, biomagnifying, and long-range transport capacity. This pesticide was widely used during the 1960s and 1970s, particularly on cotton plants. Although banned as a pesticide more than 30 years ago, traces of beta-HCH can still be found in water and soil. Animal studies show that organochlorine pesticides, including beta-HCH, are neurotoxic, cause oxidative stress, and damage the brain's dopaminergic system. Human studies show that exposure to beta-HCH is linked to Parkinson's and Alzheimer's disease. β-HCH was present in elevated levels in some patients as recently as 2009.It was manufactured by exhausting chlorination of benzene and for this reason was called erroneously β-BHC. This synonym still persists. In March 2005, the Italian National Monitoring System on Chemical Residuals in Food of Animal Origin detected levels of the pesticide β-HCH that were 20 times higher than the legal limit of 0.003 mg/kg in bulk milk from a dairy farm in the Sacco River valley. β-HCH, a lindane isomer and possible human carcinogen, was subsequently found in milk from several neighboring farms. A study was therefore undertaken to evaluate the extent and risk factors for contamination. (en)
- Il β-esaclorocicloesano (β-HCH) è un alogenuro alchilico ed uno degli isomeri dell'esaclorocicloesano. È un sottoprodotto della produzione dell'insetticida chiamato "lindano", composto principalmente dell'isomero γ-esaclorocicloesano, che in grado commerciale ne contiene tracce. (it)
- β-六氯环己烷（英語：β-hexachlorocyclohexane，β-HCH）是一种有机氯杀虫剂，是六氯环己烷（HCH）的异构体之一。它是杀虫剂林丹（γ-HCH）的常见副产物，在技术级林丹中的含量为5-14%。 (zh)
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| alternative name
| - β-BHC (en)
- β-Benzenehexachloride (en)
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