Sulfotep (Ref: ENT 16273) |
![]() Last updated: 25/05/2018 |
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(Also known as: sulfotepp; dithio; dithione; thiotep; TEDP) |
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An insecticide and acaracide fumigant used to control chewing and sucking insects. It is also an impurity of chlorpyrifos. | |
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Aphids; Thrips; Spider mites; Whiteflies | |
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Greenhouses | |
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Unknown | |
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1945 |
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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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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C₈H₂₀O₅P₂S₂ | |
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CCOP(=S)(OCC)OP(=S)(OCC)OCC | |
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No data | |
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XIUROWKZWPIAIB-UHFFFAOYSA-N | |
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InChI=1S/C8H20O5P2S2/c1-5-9-14(16,10-6-2)13-15(17,11-7-3)12-8-4/h5-8H2,1-4H3 | |
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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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Non-systemic with contact and respiratory action. Inhibitor of cholinesterase | |
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3689-24-5 | |
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222-995-2 | |
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198 | |
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079501 | |
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19395 | |
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322.32 | |
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O1,O1,O3,O3-tetraethyl 1,3-dithiodiphosphate | |
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O,O,O',O'-tetraethyl dithiopyrophosphate | |
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thiodiphosphoric acid (((HO)2P(S))2O) tetraethyl ester | |
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Marine Pollutant | |
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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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Myzus persicae, Tetranychus urticae, Trialeurodes vaporariorum | |
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Pale yellow liquid | |
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Formulations |
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Usually used as a fumigant |
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10 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low | ||||||||
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Miscible | L2 L = Pesticide manuals and hard copy reference books / other sources Acetone2 = Unverified data of unknown source |
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Miscible | L2 L = Pesticide manuals and hard copy reference books / other sources Xylene2 = Unverified data of unknown source |
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Miscible | L2 L = Pesticide manuals and hard copy reference books / other sources Methanol2 = Unverified data of unknown source |
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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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9.77 X 1003 | Calculated | - | |||||||
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3.99 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High | ||||||||
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1.2 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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14 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Highly volatile | ||||||||
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4.50 X 10-01 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately volatile | ||||||||
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Degradation |
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28 | K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data |
Non-persistent | |||||||
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General literature DT₅₀ range 14-42 days (R3) | ||||||||||
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1.5 | R4 R = Peer reviewed scientific publications 4 = Verified data |
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Published literature RL₅₀ range 1.0-2.0 days, leaves from 2 field grown crops, n=2 | ||||||||||
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Stable | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Stable | |||||||
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8.2 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Non-persistent | |||||||
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pH sensitive: DT₅₀ 10.7 days at pH 4, 9.1 days at pH 9, all at 22 °C | ||||||||||
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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 |
Slightly mobile | |||||||
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740 | ||||||||||
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Literature values give Koc between 600 and 5000 mL g⁻¹ | ||||||||||
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Fate indices |
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1.64 | Calculated | Low leachability | ||||||||||||||||||||||||||
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4.43 X 10-02 | Calculated | - | |||||||||||||||||||||||||
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Low | Calculated | - | ||||||||||||||||||||||||||
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Slightly mobile | Calculated | - |
Other known metabolites |
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monosulfotep | - | Soil | - | - | |||||
tetraethyl pyrophosphate | - | Soil | - | - | |||||
O,O-diethyl phosphorothioate | - | Plant; Rat (Urinary) | - | - | |||||
diethyl phosphate | - | Plant | - | - |
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5.0 | 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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- | L2 L = Pesticide manuals and hard copy reference books / other sources Rat 2 year2 = Unverified data of unknown source |
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10 | - | |||||||||
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> 25 | V2 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Gallus gallus2 = Unverified data of unknown source |
High | ||||||||
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0.00361 | L3 L = Pesticide manuals and hard copy reference books / other sources Oncorhynchus mykiss3 = Unverified data of known source |
High | ||||||||
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0.002 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia magna3 = Unverified data of known source |
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> 7.2 | L3 L = Pesticide manuals and hard copy reference books / other sources Scenedemus subspicatus3 = Unverified data of known source |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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5.0 | 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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65.0 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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0.05 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat (aerosol)3 = Unverified data of known source |
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0.001 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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List I; List II | - | - | ||||||||
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Health issues |
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No further information available |
Handling issues |
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No information available | |||
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Health: H310, H300 Environment: H400 |
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T+ - Very toxic: R27/28 N - Dangerous for the environment: R50, R53 |
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S1/2, S23, S28, S36/37, S45, S60, S61 | |||
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Ia (Extremely hazardous) | |||
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1704 | |||
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sulfotep | ||
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sulfotep | ||
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Sulfotep | ||
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sulfotep | ||
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sulfotep | ||
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sulfotep | ||
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sulfotep | ||
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sulfotep | ||
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sulfotep | ||
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sulfotep | ||
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sulfotep |
Record last updated: | 25/05/2018 |
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 |