Chlorfenson (Ref: K 6451) |
![]() Last updated: 22/12/2020 |
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(Also known as: chlorfénizon; ephirsulfonate; ovatron; ovex; chlorfenizon) |
SUMMARY |
Chlorfenson is an obsolete insecticide. It has a low aqueous solubility and a low volatility. Data on its persistence in soil and water systems is missing. It has a low mammalian oral toxicity and throught to be a skin irritant. data on ecotoxicology is scant but it does appear to have a low toxicity to birds and a moderate toxicity to fish. |
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A non-selective, diphenyl obsolete acaricide | |
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Spider mites | |
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Fruit including citrus; Cotton; Hops; Vegetables; Ornamentals | |
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Obsolete | |
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1949, first reported |
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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Chemical structure |
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None | |
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C₁₂H₈Cl₂O₃S | |
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C1=CC(=CC=C1OS(=O)(=O)C2=CC=C(C=C2)Cl)Cl | |
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No data | |
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RZXLPPRPEOUENN-UHFFFAOYSA-N | |
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InChI=1S/C12H8Cl2O3S/c13-9-1-5-11(6-2-9)17-18(15,16)12-7-3-10(14)4-8-12/h1-8H | |
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Yes |
General status |
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Acaricide, Miticide, Insecticide | |
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Bridged diphenyl | |
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Synthetic | |
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Acts by inhibiting oxidative phosphorylation. Contact and stomach action and long residual ovicidal activity. | |
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80-33-1 | |
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201-270-4 | |
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53 | |
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020201 | |
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6635 | |
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303.2 | |
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4-chlorophenyl 4-chlorobenzene-1-sulfonate | |
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4-chlorophenyl 4-chlorobenzenesulfonate | |
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4-chlorophenyl 4-chlorobenzenesulfonate | |
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- | |
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Not applicable | |
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Not applicable | |
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Not known | |
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Not applicable | |
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Panonychus citri, Panonychus ulmi, Tetranychus mcdanieli, Tetranychus urticae | |
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White crystalline solid |
Formulations |
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Usually supplied as a wettable powder or emulsifiable concentrate |
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2.96 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Low | ||||||||
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410000 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) Carbon tetrachloride3 = Unverified data of known source |
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1100000 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) Cyclohexanone3 = Unverified data of known source |
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780000 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) Xylene3 = Unverified data of known source |
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1300000 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) Acetone3 = Unverified data of known source |
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86.5 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 3 = Unverified data of known source |
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1.62 X 1004 | Calculated | - | |||||||
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4.21 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
High | ||||||||
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0.25 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Low volatility | ||||||||
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1.66 X 10-02 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Non-volatile | ||||||||
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Degradation |
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5.0 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
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Orange peel, n=1 | ||||||||||
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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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17000 | ||||||||||
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Estimated | ||||||||||
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Fate indices |
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Cannot be calculated | - | - | |||||||||||||||||||||||||
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Other known metabolites |
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p-chlorobenzenesulfonic acid | - | Plants; Cockroach | - | - |
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300 | Q2 Q = Miscellaneous internet resources Estimated2 = Unverified data of unknown source |
Threshold for concern | |||||||
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Not available | - | |||||||||
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> 2000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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> 4600 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Phasianidae3 = Unverified data of known source |
Low | ||||||||
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0.7 | 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 |
Moderate | ||||||||
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Harmless | AB1 AB = SELECTV Database Typhlodromus pyri1 = Estimated data with little or no verification |
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General |
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High (class III) | - | - | ||||||||
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> 2000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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0.01 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) JMPR 19653 = Unverified data of known source |
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Health issues |
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Harmful if swallowed Possible kidney toxicant |
Handling issues |
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When heated to decomposition it emits very toxic fumes | |||
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Health: H302, H315 Environment: H400, H410 |
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Xn - Harmful: R22 Xi - Irritant: R38 N - Dangerous for the environment: R50, R53 |
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S2, S37, S60, S61 | |||
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III (Slightly hazardous) | |||
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chlorfenson | ||
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chlorfenson | ||
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Chlorfenson | ||
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chlorfenson | ||
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clorfenson | ||
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clorfenson | ||
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chlorfenson | ||
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chlorofenson | ||
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chloorfenson |
Record last updated: | 22/12/2020 |
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 |