Thiometon (Ref: SAN 230) |
![]() Last updated: 27/11/2019 |
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(Also known as: dithiometon; M-81; ekatin) |
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An organophosphate insecticide and acaricide effective against sucking insects on fruit and other crops | |
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Aphids; Thrips; Spider mites; Psyllds; sawflies; Jassids; Cotton locust | |
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Fruit including strawberries, citrus, olives; Beet crops; Tobacco; Cereals; Cotton | |
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Current | |
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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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Also used in |
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Australia |
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Chemical structure |
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C₆H₁₅O₂PS₃ | |
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CCSCCSP(=S)(OC)OC | |
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No data | |
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OPASCBHCTNRLRM-UHFFFAOYSA-N | |
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InChI=1S/C6H15O2PS3/c1-4-11-5-6-12-9(10,7-2)8-3/h4-6H2,1-3H3 | |
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Yes |
General status |
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Insecticide, Acaricide | |
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Organophosphate | |
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Synthetic | |
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Systemic with contact and stomach action, anticholinesterase inhibition | |
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640-15-3 | |
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211-362-6 | |
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115 | |
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456300 | |
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12541 | |
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246.35 | |
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S-[2-(ethylsulfanyl)ethyl] O,O-dimethyl phosphorodithioate | |
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S-2-ethylthioethyl O,O-dimethyl phosphorodithioate | |
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S-[2-(ethylthio)ethyl] O,O-dimethyl phosphorodithioate | |
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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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Aphis fabae, Coleomegilla maculata, Hyalopterus pruni, Myzus persicae, Panonychus ulmi, many others | |
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Colourless oily liquid |
Formulations |
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Usually formulated as an emulsifiable concentrate or ULV |
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200 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) at 25 °C4 = Verified data |
Moderate | ||||||||
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Not applicable | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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100 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
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1.41 X 1003 | Calculated | - | |||||||
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3.15 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High | ||||||||
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1.21 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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39.9 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Highly volatile | ||||||||
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2.84 X 10-02 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Non-volatile | ||||||||
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Degradation |
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2 | K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data |
Non-persistent | |||||||
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General literature DT₅₀ range 1.9-7.0 days (R2) | ||||||||||
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22 | K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data |
Non-persistent | |||||||
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Other data: pH sensitive - DT₅₀ 25 days at pH 3, 27 days at pH 6, 17 days at pH 9, all at 25 °C (F4) | ||||||||||
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Soil adsorption and mobility |
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- | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Slightly mobile | |||||||
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579 | ||||||||||
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Fate indices |
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0.37 | Calculated | Low leachability | ||||||||||||||||||||||||||
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8.02 X 10-04 | Calculated | - | |||||||||||||||||||||||||
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Low | Calculated | - | ||||||||||||||||||||||||||
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Slightly mobile | Calculated | - |
Key metabolites |
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Soil | - | - | |||||
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Soil | - | - |
Other known metabolites |
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oxydemeton-methyl (Ref: ENT 24964) | - | Animal | - | - | |||||
demeton-S-methyl sulfone | - | Animal | - | - | |||||
demeton-S-methyl | - | Animal | - | - |
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174 | Q2 Q = Miscellaneous internet resources Estimated2 = Unverified data of unknown source |
Threshold for concern | |||||||
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Not available | - | |||||||||
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65 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
High | ||||||||
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61.75 | R4 R = Peer reviewed scientific publications median across 2 species4 = Verified data |
High | ||||||||
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> 3.7 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Oncorhynchus mykiss4 = Verified data |
Moderate | ||||||||
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> 8.2 | K2 K = Research datasets, e.g. Pandora, Demetra Daphnia magna2 = Unverified data of unknown source |
Moderate | ||||||||
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0.0005 | P3 P = Other governments and regulators Daphnia magna3 = Unverified data of known source |
High | ||||||||
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> 12.8 | K3 K = Research datasets, e.g. Pandora, Demetra Unknown species3 = Unverified data of known source |
Low | ||||||||
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> 0.55 | K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data |
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Harmful | 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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65 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
High | ||||||||
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1429 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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1.93 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat 4 hr3 = Unverified data of known source |
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0.003 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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List I; List II | - | - | ||||||||
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Health issues |
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May cause dermatitis |
Handling issues |
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Prevent generation of mists | |||
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Health: H301, H312 | |||
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T - Toxic: R25 Xn - Harmful: R21 |
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S1/2, S36/37, S45 | |||
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Ib (Highly hazardous / Highly hazardous) | |||
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3018 | |||
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thiometon | ||
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thiometon | ||
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Thiometon | ||
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thiometon | ||
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thiometon | ||
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tiometon | ||
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thiometon | ||
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tiometon | ||
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thiometon |
Record last updated: | 27/11/2019 |
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 |