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A toxic solid polychlorinated camphene, having the approximate composition C10H10Cl8, used as an insecticide. It was banned from use in the United States in 1990 because it is a suspected carcinogen.

[tox(i)- + (c)a(m)phene.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) an amber waxy solid with a pleasant pine odour, consisting of chlorinated terpenes, esp chlorinated camphene: used as an insecticide
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈtɒk səˌfin)

an amber, waxy, water-insoluble solid whose principal constituent is chlorinated camphene, used as an insecticide and as a rodenticide.
[1945–50; tox- + (c) a (m) phene]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
In the analysis that used inverse probability of censoring weights, the point estimates were very similar to the main analysis for all the pesticides evaluated; toxaphene, aluminum phosphide, and atrazine were not stratified by the median age in this analysis in contrast with the main analysis although the point estimates were consistent (Table S8).
Some of these pollutants include adrin, polychlorinated biphenyls (PBCs), chlordane, dieldrin, polychlorinated dibenzofurans, toxaphene [2].
Smith (1952) reported that during the fifties, several authors reported some new insecticides, at that time, sprays of lindane, chlordane, toxaphene, dieldrin, and aldrin provided some control of the fowl tick.
Toxaphene was the most prominent OCP in moose liver with concentrations ranging from 0.28-2.17 ng/g ww in Dehcho and 0.17-1.83 ng/g ww in South Slave (Table 1); mean concentrations were not significantly different between the regions (Table S10A).
Known toxic chemicals in New York waters--including mercury, PCBs (5), mirex/photomirex, DDTs (6), chlordane, dioxin, lead, toxaphene, hexachlorobenzene, arsenic, and PAHs (7)--reach waters through sewer system outfalls, industrial discharges, agricultural runoff, and other point and nonpoint sources (EPA Region 2 in conjunction with DEC Region 9, 2012).
The pesticides endosulfan, toxaphene, and dieldrin have estrogenic effects on human estrogen sensitive cells.
Ji, "Determination of seven toxaphene congeners in ginseng and milkvetch root by gas chromatography-tandem mass spectrometry," Chinese Journal of Chromatography, vol.
Risk of leukemia was associated with exposure to the pesticides mancozeb (OR = 2.35; 95% I = 1.12-4.95) and toxaphene (OR = 2.20; 95% CI = 1.04-4.65) but not 2,4-D (OR = 1.03; 95% CI = 0.41-2.61).
Most end user sales of the family were final in 1973 except toxaphene a common premix with DDT which was sold in the U.S.