Heptachlor

Heptachlor is an organochlorine compound that was used as an insecticide. Usually sold as a white or tan powder, heptachlor is one of the cyclodiene insecticides. In 1962, Rachel Carson`s Silent Spring questioned the safety of heptachlor and other chlorinated insecticides. Due to its highly stable structure, heptachlor can persist in the environm....
Found on http://en.wikipedia.org/wiki/Heptachlor

heptachlor

<chemical> A poisonous substance which is often used as an insecticide. at room temperature it is a white solid, it can be dissolved with CCl4 (carbon tetrachloride) and has a melting point of 95-96 degrees C. Heptachlor has the chemical formula of C10H7Cl7. ... (09 Oct 1997) ...
Found on http://www.encyclo.co.uk/local/20973

Heptachlor

A fungicide based on 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-4,7-methano-indene. It is a white powder that smells like camphor, and it was used extensively in the past for killing insects in homes, buildings, and on food crops, especially corn. It is now classified as a POP. Under the Stockholm Convention on Persistent Organic Compounds, use...
Found on http://www.eurochlor.org/mainglossary

Heptachlor

An insecticide that was banned on some food products in 1975 and in all of them 1978. It was allowed for use in seed treatment until 1983. More recently it was found in milk and other dairy products in Arkansas and Missouri where dairy cattle were illegally fed treated seed.
Found on https://www.encyclo.co.uk/local/20094

Heptachlor

Heptachlor is a man-made compound that was commonly used by American exterminators and home owners to control and kill termites, and by farmers to kill insects in seed grains and on crops.
Found on http://www.probertencyclopaedia.com/browse/GH.HTM

heptachlor

heptachlor: see insecticides.
Found on http://www.infoplease.com/ce6/sci/A0914293.html

heptachlor

insecticide closely related to chlordane (q.v.).[1 related articles]
Found on http://www.britannica.com/eb/a-z/h/39

heptachlor

Type: Term Pronunciation: hep′tă-klōr Definitions: 1. A chlorinated hydrocarbon insecticide for control of cotton boll weevil. It is a poison that may enter the body via skin contamination, inhalation, or ingestion. Because of human toxicity concerns, this chemical has only limited application.
Found on http://www.medilexicon.com/medicaldictionary.php?t=40469
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