Chlordane or heptachlor

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August undefined, 2024

WebHeptachlor is a constituent of technical grade chlordane, approximately 10 percent by weight. (1) Heptachlor was used as an insecticide in the United States from 1953 to 1974. In 1974, nearly all registered . uses of heptachlor were canceled. (1) Heptachlor was … WebTraductions en contexte de "Protocol bans" en anglais-français avec Reverso Context : The Protocol bans the production and use of some products scheduled for elimination at a later stage (DDT, heptachlor, hexachlorobenzene and polychlorinated biphenyls (PCBs)).

CHLORDANE AND HEPTACHLOR 1. Exposure Data

Analogous to the synthesis of other cyclodienes, heptachlor is produced via the Diels-Alder reaction of hexachlorocyclopentadiene and cyclopentadiene. The resulting adduct is chlorinated followed by treatment with hydrogen chloride in nitromethane in the presence of aluminum trichloride or with iodine monochloride. Compared to chlordane, it is about 3–5 times more active as an insecticide, but more inert chem… WebChlordane was first produced in 1947 and was used as an insecticide for agricultural crops and livestock, for lawns and gardens, and also for underground treatment around the foundation ... 71.7%; trans [or gamma]-chlordane, 23.1%) with heptachlor, 0.3%; trans-nonachlor, 1.1%; cis-nonachlor, 0.6%; chlordene isomers, 0.25%; 3% other compounds ... college of charleston women\u0027s soccer division

Heptachlor Description, Pesticide, Uses, Banned, & Facts

WebBACKGROUND INFORMATION. Chlordane is a member of a group of chemical compounds generically termed “chlorinated cyclodienes.”. For its use as an insecticide, and especially as a termiticide, it is available in pure and technical grades. Pure chlordane is … WebHeptachlor is both a breakdown product and a component of the pesticide chlordane (approximately 10% by weight). Pure heptachlor is a white powder. Technical-grade heptachlor is a tan powder and has a lower level of purity than pure heptachlor. Technical-grade heptachlor was the form of heptachlor used most often as a pesticide. WebCHLORDANE (Technical Chlordane) Chlordane was the most common organochlorine termiticide used in Hawai‘i. The amount of chlordane used was more than twice that of the termiticides aldrin, dieldrin, or heptachlor. Exposure to high levels of chlordane can … college of charleston west virginia

Is chlordane still available? - TimesMojo

Chlordane and Heptachlor Factsheet National Biomonitoring Pr…

WebToxfree provides affordable, state-of-the-art air analysis for chlordane, heptachlor, aldrin, and dieldrin in homes and assists owners with reducing the health effects posed by breathing these... WebBreast Cancer linked to chlordane exposure Cancerous breast tissue contains 4 times higher concentrations of chlordane ingredient heptachlor epoxide, thereby suggesting causal link. Immune problems worse in chlordane treated homes Sinusitis, bronchitis, migraines, cough and anemia higher in chlordane homes dr power equipment sales and serviceWebFeb 9, 2024 · Selain DDT, POPs lainnya termasuk pestisida seperti endrin, dieldrin, chlordane, aldrin, toxaphene, mirex, hexachlorobenzene, dan heptachlor. Dalam daftar adalah produk industri seperti polychlorinated biphenyls (PCBs) dan hexachlorobenzene. dr power equipment warranty

"WebS.E. Koshlukova, N.R. Reed, in Encyclopedia of Toxicology (Third Edition), 2014 Carcinogenicity. Rodent dietary inclusion bioassays with chlordane and mixtures with heptachlor and heptachlor epoxide showed increased liver neoplasm in multiple strains of mice (adenoma, carcinoma, and hemangioma) and rats (adenoma), and thyroid … " - Chlordane or heptachlor

Chlordane or heptachlor

Chlordane - an overview ScienceDirect Topics

WebChlordane is a thick, odourless, amber liquid with a molecular formula of C10H6Cl8. It is a contact insecticide and was used extensively in agriculture from the mid-1940s through the mid-’60s and was also used for termite treatment in buildings. WebOct 13, 2024 · Industrial chlordane is the main source of trans and cis chlordane in the soil environment, and its main components include 11% cis chlordane, 13% trans chlordane, 5% heptachlor, and 5% trans heptachlor . In the soil environment, trans-chlordane is degraded at a faster rate than cis-chlordane, so the ...

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The human health effects from low environmental exposures to these chemicals are unknown. Short-term large exposures to either chlordane or heptachlor can cause seizures and injure the liver. Both chlordane and heptachlor are considered possible cancer-causing chemicals in humans. See more People are usually exposed to these chemicals by eating foods high in fat, such as meat, fish, and dairy products. Pregnant women may pass these chemicals to the … See more In the Fourth National Report on Human Exposure to Environmental Chemicals (Fourth Report), CDC scientists measured the metabolites of chlordane and heptachlor in the blood serum (the clear part of blood) of … See more WebChlordane and heptachlor have been formulated as granules, emulsifiable concentrates and solutions. Both compounds can persist in soil for many years. Human exposure to chlordane and heptachlor occurs mainly during their application and in the air of buildings where …

WebChlordane causes hepatotoxicity, neurotoxicity, and developmental toxicity and can alter the immune system during development. It is a possible human carcinogen. Chlordane is highly toxic to aquatic life, bees, earthworms, and birds. View chapter Purchase book Chlordane Benny L. Blaylock, in Encyclopedia of Toxicology (Second Edition), 2005 WebChlordane is a man-made chemical. It is a thick liquid whose color ranges from colorless to amber. Chlordane has a mild, irritating smell. From 1948 to 1988 chlordane was used in the United States as a pesticide on agricultural crops, lawns, gardens, and homes.

WebHeptachlor 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 … WebThere are seven specific pesticides commonly found in correlation with diabetes in Mexican-Americans which are as follows: aldrin, chlordane, heptachlor, dichlorvos, trichlorfon, alachlor, and ...

WebIn addition to alpha- and gamma-chlordane, these were; heptachlor, gamma-chlordane, Compound K, photo-alpha-chlordane, heptachlor epoxide and oxychlordane, amounting to 2.7 - 2.9% of the sum of alpha- plus gamma-chlordane initially, under dry soil conditions, which over a period of 3 months, increased to 6.6%.

WebChlordane, or chlordan, is an organochlorine compound that was used as a pesticide. It is a white solid. In the United States, chlordane was used for termite-treatment of approximately 30 million homes until it was banned in 1988. [4] Chlordane was banned 10 years earlier for food crops like corn and citrus, and on lawns and domestic gardens. [5] dr power equipment towable backhoe for saleWebSep 25, 2001 · Chlordane and heptachlor are structurally related organochlorine insecticides; the technical-grade product of each contains about 10–20% of the other compound. They have been used since the 1950s for termite control, on agricultural … dr power equipment financingWebChlordane is a viscous, light yellow to amber-coloured liquid. Technical chlordane is a mixture of at least 26 different components and up to 14 distinct chromatographic components have been described. Its main components are alpha- and gamma- chlordane. Analysis is difficult because of the complex nature of chlordane. college of charleston women\u0027s soccer campWebManita Thakur, Deepak Pathania, in Abatement of Environmental Pollutants, 2024. 2.1.3 Chlordane. Chlordane is a pesticide that has been obtained from the synthesis of heptachlor, chlordane, and nonachlor. It has low vapor pressure and volatilizes leisurely into the atmosphere. It is used broadly to control termites and insect repellent on a wide … college of charleston women\u0027s soccer scheduleWebMar 12, 2013 · Aldrin, chlordane, dichlorodiphenyl trichloroethane (DDT), dieldrin, endrin, heptachlor, hexachlorobenzene, mirex, and toxaphene were first widely used as insecticides. Polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans were commonly-released industrial byproducts. college of charleston womens soccer coach college of charleston womens soccer campsWebTechnical grade chlordane is a varia- ble mixture of chemicals that typically consists of 24 percent trans-chlordane, 21.5 percent chlordene isomers, 19 percent cis-chlordane, 10 percent heptachlor, 7 percent nonachlor, and 18.5 percent other miscellaneous impurities. dr power equipment store