Tetraethyl pyrophosphate (Ref: ENT 18771 ) |
![]() Last updated: 29/06/2019 |
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(Also known as: TEPP; TEP) |
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An obsolete organophosphate insecticide and acaricide | |
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Aphids; Mites; Spiders; Mealybugs | |
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Fruit; vegetables | |
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Obsolete | |
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circa 1940 discovered; 1946, registered USA |
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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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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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C₈H₂₀O₇P₂ | |
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CCOP(=O)(OCC)OP(=O)(OCC)OCC | |
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No data | |
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IDCBOTIENDVCBQ-UHFFFAOYSA-N | |
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InChI=1S/C8H20O7P2/c1-5-11-16(9,12-6-2)15-17(10,13-7-3)14-8-4/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 a brief persistence, Cholinesterase inhibitor | |
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107-49-3 | |
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203-495-3 | |
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66 | |
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079601 | |
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7873 | |
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290.19 | |
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tetraethyl pyrophosphate | |
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tetraethyl diphosphate | |
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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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Colorless to amber-coloured liquid depending upon purity |
Formulations |
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1000000 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
High | ||||||||
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Miscible | Q3 Q = Miscellaneous internet resources Acetone3 = Unverified data of known source |
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Miscible | Q3 Q = Miscellaneous internet resources Benzene3 = Unverified data of known source |
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Miscible | Q3 Q = Miscellaneous internet resources Chloroform3 = Unverified data of known source |
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Miscible | Q3 Q = Miscellaneous internet resources Methanol3 = Unverified data of known source |
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0 | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
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8.71 X 1002 | Calculated | - | |||||||
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2.94 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Moderate | ||||||||
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1.185 | E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
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21 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Highly volatile | ||||||||
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Degradation |
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0.25 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Non-persistent | |||||||
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Soil adsorption and mobility |
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Fate indices |
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Low risk | Q3 Q = Miscellaneous internet resources Based on LogP < 33 = Unverified data of known source |
Low risk | |||||||
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1.12 | Q3 Q = Miscellaneous internet resources Rat3 = Unverified data of known source |
High | ||||||||
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> 28.7 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Anas platyrhynchos4 = Verified data |
High | ||||||||
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> 0.867 | 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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> 0.055 | F2 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Gammarus fasciatus2 = Unverified data of unknown source |
High | ||||||||
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0.048 | R4 R = Peer reviewed scientific publications megachile rotundata4 = Verified data |
High | |||||||
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0.032 | R4 R = Peer reviewed scientific publications Nomia melanderi4 = Verified data |
High | |||||||
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General |
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High (class III) | - | - | ||||||||
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1.12 | Q3 Q = Miscellaneous internet resources Rat3 = Unverified data of known source |
High | ||||||||
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2.4 | Q3 Q = Miscellaneous internet resources Rat3 = Unverified data of known source |
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List I | - | - | ||||||||
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High risk of exposure - PPE/PPC advised | ||||||||||
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Health issues |
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Highly toxic |
Handling issues |
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Combustable | |||
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Health: H300, H310 Environment: H400 |
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T+ - Very toxic: R27, R28 N - Dangerous for the environment: R50 |
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S1/2, S36/37/39, S38, S45, S61 | |||
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O (Obsolete substance) | |||
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tetraethyl pyrophosphate | ||
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Record last updated: | 29/06/2019 |
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 |