Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Dieldrin is an organochlorine compound originally produced in 1948 by J. Hyman & Co, Denver, as an insecticide. Dieldrin is closely related to aldrin, which reacts further to form dieldrin. Aldrin is not toxic to insects; it is oxidized in the insect to form dieldrin which is the active compound. Both dieldrin and aldrin are named after the Diels-Alder reaction which is used to form aldrin from a mixture of norbornadiene and hexachlorocyclopentadiene.
Originally developed in the 1940s as an alternative to DDT, dieldrin proved to be a highly effective insecticide and was very widely used during the 1950s to early 1970s. Endrin is a stereoisomer of dieldrin.
However, it is an extremely persistent organic pollutant; it does not easily break down. Furthermore, it tends to biomagnify as it is passed along the food chain.[3] Long-term exposure has proven toxic to a very wide range of animals including humans, far greater than to the original insect targets. People who on purpose or accidentally ate large amounts of aldrin or dieldrin have suffered convulsions (spasms), and some died. Workers who were exposed to lower amounts of these chemicals, but for a longer period of time, had headaches, dizziness, irritability, vomiting, and uncontrolled muscle movement.[4] For this reason, it is now banned in most of the world.
It has been linked to health problems such as Parkinson's, breast cancer, and immune, reproductive, and nervous system damage. It is also an endocrine disruptor, acting as an estrogen and antiandrogen, and can adversely affect testicular descent in the fetus if a pregnant woman is exposed to it.[5]
^ abcdefNIOSH Pocket Guide to Chemical Hazards. "#0206". National Institute for Occupational Safety and Health (NIOSH).
^ ab"Dieldrin". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
^Cite error: The named reference Jorgensen2001 was invoked but never defined (see the help page).
^Andersen HR, Vinggaard AM, Rasmussen TH, Gjermandsen IM, Bonefeld-Jørgensen EC (February 2002). "Effects of currently used pesticides in assays for estrogenicity, androgenicity, and aromatase activity in vitro". Toxicology and Applied Pharmacology. 179 (1): 1–12. doi:10.1006/taap.2001.9347. PMID 11884232.
Dieldrin is an organochlorine compound originally produced in 1948 by J. Hyman & Co, Denver, as an insecticide. Dieldrin is closely related to aldrin,...
into the environment. Though it is rapidly converted to dieldrin by plants and bacteria, dieldrin maintains the same toxic effects and slow decay of aldrin...
POPs identified by the Stockholm Convention include aldrin, chlordane, dieldrin, endrin, heptachlor, HCB, mirex, toxaphene, PCBs, DDT, dioxins, and polychlorinated...
pentachlorophenol or BHC at 0.5%, DDT at 0.2%, chlordecone and mirex at 0.06%, and dieldrin at 0.05%. Imidazole (a non-chlorinated aromatic heterocyclic) at 1% also...
some research had been done to determine the effects of heptachlor and dieldrin on wild and domestic animals and to find the minimum amount that would...
a group of chlorinated insecticides whose names end in "-drin": Aldrin Dieldrin Endrin This disambiguation page lists articles about distinct geographical...
is the final step in synthesizing endrin. Endrin is a stereoisomer of dieldrin with comparable properties, though endrin degrades more easily. Endrin...
rollers and other mechanical methods. By the 1950s, the organochloride dieldrin was found to be an extremely effective insecticide, but it was later banned...
organochlorine insecticides are aldrin and its epoxide, dieldrin, as well as endrin, which is a stereoisomer of dieldrin. Cyclodiene derives its name from hexachlorocyclopentadiene...
after a single stimulus.: 255 Chlorinated cyclodienes include aldrin, dieldrin, endrin, heptachlor, chlordane and endosulfan. A 2- to 8-hour exposure...
solvents in some formulations may damage certain crops. cf. the related Dieldrin, Endrin, Isodrin algophagy Feeding on algae. alitrunk Name given to the...
1989. Wade, Richard Archer. "Ecology of Juvenile Tarpon and Effects of Dieldrin on Two Associated Species." Bureau of Sport Fisheries and Wildlife. 1969...
States Endangered Species Act from 1970 to 2009, as pesticides such as dieldrin and DDT threatened its future in the Southeastern United States and California...
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