Compound Name

Aldrin

Stockholm Annex code I, IV
Key Annex I to the regulation are subject to prohibition (with specific exemptions) on manufacturing, placing on the market and use;
Annex II to the regulation are subject to restriction on manufacturing, placing on the market and use;
Annex III to the regulation are subject to release reduction provisions; and
Annex IV to the regulation are subject to waste management provisions.
Note that for some substances listed in Annex I, specific exemptions on the prohibition of their use, manufacturing and placing on the market may apply.
Classification Intentional
Category Listed under Annex A
Year of Listing Decision 2001
Persistence 60 years in soil as long as it is not exposed to the sun
Specific exemptions associated with its use Production: None
Acceptable purposes associated with its use Used as a insecticide/pesticide for crops like cotton and corn, before it was banned in the 1970s
Conventions on POPs Stockholm Convention
Convention on Long-Range Transboundary Air Pollution
Rotterdam Convention
Basel Convention

Name

Aldrin

Synonyms Aldrosol
309-00-2
1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-, (1R,4S,4aS,5S,8R,8aR)-
(1R,4S,4aS,5S,8R,8aR)-1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a-hexahydro-1,4:5,8-dimethanonaphthalene
1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-, (1.alpha.,4.alpha.,4a.beta.,5.alpha.,8.alpha.,8a.beta.)-1,4:5,8-Dimethanonaphthalene
1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a-hexahydro-(1alpha4alpha,4a.beta,5alpha,8alpha,8a.beta)1,4 ,5,8-dimethanonaphthalene
1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a-hexahydro-1,4-endo-exo-5,8-dimethanonaphthalene
Aldocit
Kortofin
Octalene
Aldrine
Tipula
Soilgrin
Altox
Hexachlorohexahydro-endo-exo-dimethanonaphthalene
Drinox
Structure

Molecular Formula: C12H8Cl6
Molecular weight g/mol: 364 g/mol
SMILES: C1[C@@H]2C=C[C@H]1[C@H]3[C@@H]2[C@]4(C(=C([C@@]3(C4(Cl)Cl)Cl)Cl)Cl)Cl
Solubility in water: Insoluble

CAS Number 309-00-2
European Community (EC) Number 206-215-8
European Chemicals Agency (ECHA) 206-215-8
PubChem ID 12310947
DSSTOX Substance ID DTXSID8020040
KEGG C07552
ChemSpider 10292747

Similarity threshold Name of Related Compound DSSTox Substance ID CAS Number Molecular weight Molecular formula
1.0 1,2,3,4,7,7-Hexachlorobicyclo[2.2.1]hept-2-ene DTXSID50944642 22039-38-9 300 g/mol C7H4Cl6
1.0 1,2,3,4,5,7,7-Heptachlorobicyclo[2.2.1]hept-2-ene DTXSID10947270 2440-02-0 335 g/mol C7H3Cl7
1.0 Chlordene DTXSID2027545 3734-48-3 338 g/mol C10H6Cl6
1.0 4,5,6,7,8,8-Hexachloro-2,3,3a,4,7,7a-hexahydro-1H-4,7-methanoindene DTXSID70971011 5566-33-6 340 g/mol C10H8Cl6
1.0 Isodrin DTXSID7042065 465-73-6 364 g/mol C12H8Cl6
1.0 Aldrin parent DTXSID3048104 124-96-9 364 g/mol C12H8Cl6
1.0 1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a-hexahydro-1,4:5,8-dimethanonaphthalene DTXSID10947432 24562-14-9 364 g/mol C12H8Cl6
1.0 Heptachlor DTXSID3020679 76-44-8 373 g/mol C10H5Cl7
1.0 2,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-1H-4,7-methanoindene DTXSID10947730 24816-27-1 373 g/mol C10H5Cl7
1.0 3a,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-1H-4,7-methanoindene DTXSID60975740 6033-56-3 373 g/mol C10H5Cl7

Description Reference Article Link
Aldrin (a product containing 95% of 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-exo-1,4-endo-5,8-dimethanonaphthalene, HHDN) was first prepared in 1948 and was used primarily against insects in soil, where it was effective at rates considerably lower than those of DDT. Dieldrin (a product containing 85% of 1,2,3,4,10,10-hexachloro-6,7 epoxy-1,4,4a,5,6,7,8,8a-octahydro-exo-1,4-endo-5,8- dimethanonaphthalene, HEOD) resulted from an attempt to make aldrin less volatile. Because of its lower volatility, dieldrin was used on crops and their foliage, in addition to soil and seed dressing applications, both at considerably lower rates than those of DDT. Zitko. 2002. Chlorinated Pesticides: Aldrin, DDT, Endrin, Dieldrin, Mirex. Link
Aldrin and dieldrin (a metabolite of aldrin as well as a marketed pesticide) are the common names of two chemically related insecticides which were widely used from the 1950s to the early 1970s. Aldrin was used as an insecticide in soil to control invertebrates such as worms, beetles and termites, and has been widely used to protect crops such as corn and potatoes, as well as being effective for protecting wooden structures from termites. Aldrin is readily metabolized to dieldrin in both animals and plants, and therefore aldrin residues are rarely detected in animals, and if so only in small amounts. Residues of dieldrin are present in the environment and in human tissues, but levels have been declining during the last 30 years. Aldrin and dieldrin have comparable toxicity and have more than one mechanism of toxicity. Berntssen et al., 2012. Contamination of finfish with persistent organic pollutants and metals Link
Aldrin and dieldrin were first formulated from a waste product of synthetic rubber, cyclopentadiene. Aldrin, dieldrin, and endrin are cyclodienes made by a chemical process known as the Diels-Alder reaction, hence their names. Aldrin and dieldrin were discovered by Julius Hyman. Hyman worked for Velsicol Corporation, headquartered in Memphis, Tennessee, and helped discover chlordane. Jorgenson. 2001. Aldrin and dieldrin: a review of research on their production, environmental deposition and fate, bioaccumulation, toxicology, and epidemiology in the United States. Link
Aldrin and dieldrin are two closely related persistent organic pollutants (POPs). They are made by humans and do not occur naturally in the environment. Aldrin and dieldrin were mainly used as insecticides. They were applied to treat crops for protection against pests. They were also used to exterminate termites. Aldrin and dieldrin have been banned in many parts of the world for several decades, including Canada. Levels of both aldrin and dieldrin have decreased over the years since they are no longer produced or used. Aldrin is usually converted quickly into dieldrin once it is absorbed by an animal. Health and Social Services. Contaminants Overview fact sheet. Accessed 13 October 2020 Link
Aldrin (CAS 309-00-2) is a synthetic organochlorine pesticide, and was used as a broad-spectrum soil insecticide for protection of food crops, and as seed dressing for the control of pests such as ants and termites. In 1972, the US Environmental Protection Agency (USEPA) canceled all but three specific uses: subsurface termite control, dipping of nonfood plant roots and tops, and completely contained moth-proofing in the manufacturing processes. In 1987, all uses were voluntarily canceled by the manufacturer. Aldrin has not been produced domestically since 1974, or imported after 1985. Honeycutt and Shirley., 2014. Aldrin Link
Pure aldrin is white whereas technical grades are tan to dark brown. It is used for termite control. It is toxic to human but much less toxic to plants. Boudh et al., 2019. Microbial resources mediated bioremediation of persistent organic pollutants. Link
Aldrin is an organochlorine insecticide that was widely used until the 1990s, when it was banned in most countries. Aldrin is a member of the so-called "classic organochlorines" (COC) group of pesticides. COCs enjoyed a very sharp rise in popularity during and after The Second World War. Other noteworthy examples of COCs include DDT. After research showed that organochlorines can be highly toxic to the ecosystem through bioaccumulation, most were banned from use. It is a colourless solid. Before the ban, it was heavily used as a pesticide to treat seed and soil. Aldrin and related "cyclodiene" pesticides (a term for pesticides derived from Hexachlorocyclopentadiene) became notorious as persistent organic pollutants. Wikipedia. Accessed on 13 October 2020 Link