Isodrin (Ref: ENT 19244) |
![]() Last updated: 31/10/2018 |
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(Also known as: Experimental insecticide 711 ; Compound 711; SD 3418; Isomer of aldrin) |
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An obsolete persistent organochlorine insecticide that was mainly used to control malarial mosquitoes as an alternative to DDT | |
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Mosquitoes | |
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Humans | |
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Obsolete | |
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circa 1940s |
UK regulatory status |
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Not approved | ||
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Not applicable | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Also used in |
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Chemical structure |
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C₁₂H₈Cl₆ | |
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C1C2C=CC1C3C2C4(C(=C(C3(C4(Cl)Cl)Cl)Cl)Cl)Cl | |
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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 | |
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QBYJBZPUGVGKQQ-DIFDVCDBSA-N | |
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InChI=1S/C12H8Cl6/c13-8-9(14)11(16)7-5-2-1-4(3-5)6(7)10(8,15)12(11,17)18/h1-2,4-7H,3H2/t4-,5-,6-,7+,10+,11+/m1/s1 | |
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Yes |
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Common Name | Relationship | Link |
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isodrin | - | ![]() |
General status |
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Insecticide | |
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Cyclodiene | |
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Synthetic | |
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Central nervous system stimulant. GABA-gated chloride channel antagonist. Also stomach and contact toxin | |
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465-73-6 | |
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207-366-2 | |
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102090390 | |
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364.91 | |
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(1R,4S,4aS,5R,8S,8aR)-1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-1,4:5,8-dimethanonaphthalene | |
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(1R,4S,5R,8S)-1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-1,4:5,8-dimethanonaphthalene | |
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(1R,4S,4aS,5R,8S,8aR)-rel-1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-1,4:5,8-dimethanonaphthalene | |
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WFD priority substance; Banned | |
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EU Directive 2008/105/EC EQS for the sum of all cyclodiene pesticides in: inland surface waters: 0.01 µg l⁻¹; Other surface waters; 0.005 µg l⁻¹ as annual average UK Statutory standard for the protection of aquatic life in inland, coastal and territorial waters: 0.03 µg l⁻¹ as annual average |
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Not applicable | |
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Not applicable | |
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2A | |
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Not applicable | |
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Leptocorisa acuta, Leptocorisa oratorius, Lucilia cuprina | |
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Crystalline solid | |
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Formulations |
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0.014 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Low | ||||||||
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240.6 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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Decomposes before boiling | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 3 = Unverified data of known source |
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100 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 3 = Unverified data of known source |
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5.62 X 1006 | Calculated | - | |||||||
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6.75 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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5.866 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Moderately volatile | ||||||||
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39.21 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Moderately volatile | ||||||||
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Degradation |
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Very persistent | ||||||||||
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Soil adsorption and mobility |
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- | CA2 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 2 = Unverified data of unknown source |
Non-mobile | |||||||
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11000 | ||||||||||
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Estimated | ||||||||||
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Fate indices |
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Cannot be calculated | - | - | |||||||||||||||||||||||||
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Key metabolites |
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Soil | - | - |
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7.0 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
High | ||||||||
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0.012 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Lepomis macrochirus4 = Verified data |
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1.0 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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7.0 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
High | ||||||||
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23.0 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
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May be absorbed by inhalation, ingestion or skin absorption | ||||||||||
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Health issues |
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May cause respiratory depression and convulsions leading to coma Liver and CNS toxicant May cause headache, nausea, vomiting, dizziness, and tremors |
Handling issues |
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Unstable and may react with UV light, oxidising agents, phenols and acids May decompose at high temperatures to produce toxic gases |
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T+ - Very toxic: R26/27/28 N - Dangerous for the environment: R50, R53 |
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Not classified: Obsolete | |||
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O (Obsolete substance) | |||
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isodrin | ||
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isodrine | ||
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Record last updated: | 31/10/2018 |
Contact: | aeru@herts.ac.uk |
Please cite as: | Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |