Dioxathion (Ref: Hercules AC25) |
![]() Last updated: 17/01/2021 |
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(Also known as: dioxation; delnav; dioxane phosphate; dioxationum) |
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Used as a livestock insecticide and as an acaricide on citrus fruits, deciduous fruits and nuts | |
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Ticks; Fleas; Lice; Mites including clover mites, spider mites; Thips; Apple maggots; Codling moth | |
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Fruit including citrus, quince, grapes, apples, pears; Walnuts; Ornamentals; Non-agricultural sites such as industrial areas, recreational land, dog kennels | |
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Obsolete | |
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1959, 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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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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A chiral molecule. The technical material is an isomeric mixture. | |
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C₁₂H₂₆O₆P₂S₄ | |
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CCOP(=S)(OCC)SC1C(OCCO1)SP(=S)(OCC)OCC | |
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No data | |
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VBKKVDGJXVOLNE-UHFFFAOYSA-N | |
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InChI=1S/C12H26O6P2S4/c1-5-15-19(21,16-6-2)23-11-12(14-10-9-13-11)24-20(22,17-7-3)18-8-4/h11-12H,5-10H2,1-4H3 | |
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Yes |
General status |
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Insecticide, Acaricide, Veterinary substance | |
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Organophosphate | |
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>68% | |
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Synthetic | |
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Acetylcholinesterase (AChE) inhibitor. | |
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78-34-2 | |
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201-107-7 | |
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124 | |
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037801 | |
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6531 | |
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456.54 | |
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O,O,O',O'-tetraethyl S,S'-1,4-dioxane-2,3-diyl bis(phosphorodithioate) | |
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S,S'-(1,4-dioxane-2,3-diyl) O,O,O',O'-tetraethyl bis(phosphorodithioate) | |
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S,S'-1,4-dioxane-2,3-diyl bis(O,O-diethyl phosphorodithioate) | |
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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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Boophilus decoloratus, Panonychus citri, Rhipicephalus evertsi, Boophilus microplus, Rhipicephalus appendiculatus | |
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Reddish-brown liquid |
Formulations |
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Usually supplied as an emulsifiable concentrate |
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1.55 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Low | ||||||||
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20000 | L3 L = Pesticide manuals and hard copy reference books / other sources Kerosene3 = Unverified data of known source |
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10000 | L3 L = Pesticide manuals and hard copy reference books / other sources n-hexane3 = Unverified data of known source |
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-2 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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2.82 X 1003 | Calculated | - | |||||||
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3.45 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
High | ||||||||
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1.26 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Degradation |
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35 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Moderately persistent | |||||||
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Literature values give DT₅₀ range 15 (silty clay loam) - 55 days (clay) | ||||||||||
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6.1 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
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Orange leaves, n=1 | ||||||||||
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Stable | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
Stable | |||||||
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Stable | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
Stable | |||||||
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Soil adsorption and mobility |
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- | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
Non-mobile | |||||||
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11845 | ||||||||||
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Estimated | ||||||||||
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Fate indices |
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-0.11 | Calculated | Low leachability | ||||||||||||||||||||||||||
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5.35 X 10-03 | Calculated | - | |||||||||||||||||||||||||
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Estimated concentrations of chemicals with Koc values greater than 9995 ml g⁻¹ are beyond the scope of the regression data used in SCI-GROW development. If there are concerns for such chemicals, a higher tier groundwater exposure assessment should be considered, regardless of the concentration returned by SCI-GROW | ||||||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Non-mobile | Calculated | - |
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23 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
High | ||||||||
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> 3600 | 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 |
Low | ||||||||
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0.118 | 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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0.00035 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna4 = Verified data |
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> 50 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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23 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
High | ||||||||
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235 | Q3 Q = Miscellaneous internet resources Rat3 = Unverified data of known source |
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0.0015 | 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 19683 = Unverified data of known source |
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List I; List II | - | - | ||||||||
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May be absorded through the skin - PPE/PPC required | ||||||||||
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Health issues |
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May cause mild transient conjunctivitis Very toxic |
Handling issues |
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Prevent generation of mists | |||
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Health: H300, H311, H330 Environment: H400, H410 |
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T+ - Very toxic: R26, R28 T - Toxic: R24 N - Dangerous for the environment: R50, R53 |
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S1/2, S28, S36/37, S45, S60, S61 | |||
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Ib (Highly hazardous / Highly hazardous) | |||
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dioxathion | ||
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dioxathion | ||
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Dioxathion | ||
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dioxation | ||
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dioksation | ||
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Record last updated: | 17/01/2021 |
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 |