Dichlofenthion (Ref: ENT 17470) |
![]() Last updated: 11/01/2021 |
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(Also known as: diclophenthion; Tri-VC13 ) |
SUMMARY |
Dichhlofenthion is an organophosphate insecticide that is no longer approved for use in many countries including the EU. It was peviously used to control nematodes and cutworms mainly on ornamental crops, lawns and turf. It has a low aqueous solubility, is quite volatile and mobile in soil. Dichlofenthion is moderately toxic to mammals, a skin, eye and respiratory tract irritant and a sensitiser. It is highly toxic to fish and aquatic invertebrates. |
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An obsolete insecticide and nematicide once used to control soil dwelling insects | |
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Nematodes; Cutworms; Clinch bugs | |
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Ornamentals including flowering plants, shrubs, trees; Lawns and turf; Pumelo | |
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Obsolete | |
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circa 1957 |
UK regulatory status |
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Not approved | ||
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Expired | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Japan |
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Chemical structure |
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Isomeric | |
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C₁₀H₁₃Cl₂O₃PS | |
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CCOP(=S)(OCC)OC1=C(C=C(C=C1)Cl)Cl | |
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Clc1cc(Cl)ccc1OP(=S)(OCC)OCC | |
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WGOWCPGHOCIHBW-UHFFFAOYSA-N | |
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InChI=1S/C10H13Cl2O3PS/c1-3-13-16(17,14-4-2)15-10-6-5-8(11)7-9(10)12/h5-7H,3-4H2,1-2H3 | |
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Yes |
General status |
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Insecticide | |
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Organophosphate | |
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Synthetic | |
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Acetylcholine esterase inhibitor. | |
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97-17-6 | |
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202-564-5 | |
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148 | |
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028601 | |
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7328 | |
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315.15 | |
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O-(2,4-dichlorophenyl) O,O-diethyl phosphorothioate | |
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O-2,4-dichlorophenyl O,O-diethyl phosphorothioate | |
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O-(2,4-dichlorophenyl) O,O-diethyl phosphorothioate | |
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Severe Marine Pollutant | |
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- | |
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Not applicable | |
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Not applicable | |
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1B | |
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Not applicable | |
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Aulacophora femoralis, Delia antiqua, Rhizoglyphus robini, Lucilia cuprina | |
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Colourless liquid |
Formulations |
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Usually formulated as an emulsifiable concentrate or as granules. |
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0.245 | Q3 Q = Miscellaneous internet resources at 25 °C3 = Unverified data of known source |
Low | ||||||||
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Miscible | L3 L = Pesticide manuals and hard copy reference books / other sources Acetone3 = Unverified data of known source |
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Miscible | L3 L = Pesticide manuals and hard copy reference books / other sources Toluene3 = Unverified data of known source |
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Miscible | L3 L = Pesticide manuals and hard copy reference books / other sources Ethyl acetate3 = Unverified data of known source |
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1.38 X 1005 | Calculated | - | |||||||
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5.14 | C2 C = AGRITOX (click here ) 2 = Unverified data of unknown source |
High | ||||||||
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1.32 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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74.65 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Highly volatile | ||||||||
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9.61 X 1001 | 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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6 | K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data |
Non-persistent | |||||||
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Best available data | ||||||||||
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Stable | W4 W = French database provided by ARVALIS-Institut du Végétal 4 = Verified data |
Stable | |||||||
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Soil adsorption and mobility |
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- | W3 W = French database provided by ARVALIS-Institut du Végétal 3 = Unverified data of known source |
Mobile | |||||||
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18 | ||||||||||
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Fate indices |
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2.14 | Calculated | Transition state | ||||||||||||||||||||||||||
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5.12 X 10-03 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Mobile | Calculated | - |
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3000 | Q2 Q = Miscellaneous internet resources Estimated2 = Unverified data of unknown source |
Threshold for concern | |||||||
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Not available | - | |||||||||
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172 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
Moderate | ||||||||
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316 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Phasianidae3 = Unverified data of known source |
Moderate | ||||||||
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0.00125 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Oncorhynchus mykiss3 = Unverified data of known source |
High | ||||||||
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0.0011 | F2 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna 24 hour2 = Unverified data of unknown source |
High | ||||||||
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0.42 | L3 L = Pesticide manuals and hard copy reference books / other sources Unknown species3 = Unverified data of known source |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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172 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
Moderate | ||||||||
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259 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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1.75 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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Low risk to Europeans as no longer approved for use | |||||||||
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Low risk to Europeans as no longer approved for use | ||||||||||
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Health issues |
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Moderately toxic |
Handling issues |
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No information available | |||
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Health: H302 Environment: H400, H410 |
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Xn - Harmful: R22 N - Dangerous for the environment: R50, R53 |
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S2, S60, S61 | |||
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O (Obsolete substance) | |||
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dichlofenthion | ||
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dichlofenthion | ||
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Dichlofenthion | ||
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dichlofenthion | ||
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diclofention | ||
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diclofention | ||
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dichlofenthion | ||
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dichlofention | ||
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- | ||
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dichlofenthion |
Record last updated: | 11/01/2021 |
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 |