Heptachlor

Pesticide, Uses, Banned, & Facts

Oct 8, 2023 - 07:03
 0  8

heptachlor, in full heptachlorotetrahydromethanoindene, largely banned insecticide closely related to chlordane. It is a white crystalline solid with a melting point of about 95 °C and a molecular formula of C10H5Cl7. Heptachlor was used in agriculture as a soil and seed treatment and was also used in homes and other buildings for termite control.

Heptachlor was first observed as a minor component (about 10 percent) in the manufacture of chlordane. Heptachlor is highly toxic to many insects, and, as a class, the organochlorine compounds are considered less toxic to mammals than either the carbamate or organophosphate insecticides. However, given that heptachlor is readily absorbed through the skin and can cause liver damage in laboratory animals, its use has been banned in many countries. The pesticide can remain in treated soils, in agricultural runoff, and near chemical plants where it was manufactured and can also persist in the air and dust of buildings treated for termites long after treatment.

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