What does heptachlor mean?
Definition of heptachlor : a cyclodiene chlorinated hydrocarbon pesticide C10H5Cl7 that causes liver disease in animals and is a suspected human carcinogen.
Is heptachlor still used?
Heptachlor was used as an insecticide; however, nearly all registered uses of heptachlor have been canceled.
What is heptachlor made of?
Used as an insecticide. Heptachlor is a cyclodiene organochlorine insecticide that is 3a,4,7,7a-tetrahydro-1H-4,7-methanoindene substituted by chlorine atoms at positions 1, 4, 5, 6, 7, 8 and 8.
What is the chemical formula for heptachlor?
C10H5Cl7Heptachlor / Formula
What was heptachlor used for?
Heptachlor was used as a soil and seed treatment and for termite control. Since 1992, the use of heptachlor has been limited to treatment of fire ants near utility equipment. Both pesticides can remain in treated soils, in agricultural runoff water, and near factories where they were manufactured.
What is the half life of heptachlor?
3.5 days
Heptachlor in water has an estimated half-life of 3.5 days.
Is heptachlor banned?
What is heptachlor epoxide used for? In the late 1970s, the use of heptachlor was phased out. By 1988, the commercial sale of heptachlor was banned in the United States. The use of heptachlor is restricted to controlling fire ants in power transformers.
Why was mirex banned?
By the end of 1977, the Federal government banned the use of mirex because it was suspected to cause cancer in animals.
Why is heptachlor banned?
Nearly all registered uses of heptachlor were canceled in 1974 by EPA because of its potential cancer risk and its persistence and bioaccumulation throughout the food chain (EPA 1986a). The sale of heptachlor was voluntarily canceled in 1987 by its sole U.S. manufacturer, the Velsicol Chemical Corporation.
Is dieldrin still used today?
Although the use of aldrin and dieldrin is banned in many countries, these insecticides were being manufactured in a number of European countries at least until 1978 and are still used throughout the world.
Is heptachlor banned in the US?
By 1988, the commercial sale of heptachlor was banned in the United States. The use of heptachlor is restricted to controlling fire ants in power transformers. How can heptachlor epoxide enter and leave your body? Because heptachlor is no longer commercially available, exposure through skin contact is very limited.
What is the meaning of heptachlor?
Definition of heptachlor. : a cyclodiene chlorinated hydrocarbon pesticide C 10H 5Cl 7 that causes liver disease in animals and is a suspected human carcinogen.
What is a synonym for Amazing?
Synonyms for amazing. astonishing, astounding, blindsiding, dumbfounding. (also dumfounding), eye-opening, flabbergasting, jarring,
What is another word for astonishing?
Amazing: causing a strong emotional reaction because of unexpectedness. Synonyms: astonishing, astounding, blindsiding… Antonyms: unsurprising… Find the right word.
What are some words to describe an amazing thing?
Words Related to amazing. unannounced, unanticipated, unexpected, unforeseen. awesome, awful, breathtaking, fabulous, heart-stopping, marvelous (or marvellous), miraculous, portentous, prodigious, staggering, stupendous, sublime, wonderful, wondrous. extraordinary, phenomenal, rare, sensational, spectacular.