Bensulide (Ref: R 4461) |
![]() Last updated: 31/12/2020 |
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(Also known as: benzulfide) |
SUMMARY |
Bensulide is a herbicide without approval for use in the EU. It has a low aqueous solubility, miscible with most common organic solvents and shows a low to moderate volatility. It may persist in soil and water systems under certain conditions. They is a low risk of leaching to groundwater. Bensulide has a moderate toxicity to humans as well as being a cholinesterase inhibitor and a neurotoxin. It is moderately toxic to birds, fish, aquatic plants and honeybees. |
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A selective, pre-emergence organophosphorus herbicide | |
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Bluegrass; Crabgrass; Pigweed; Red deadnettle; Goosegrass; Lambsquarters; Shepherd's purse; Fescue; Bentgrass | |
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Carrots; Cucumbers; Melon; Peppers; Lettuce; Brassicas; Squash; Tomatoes; Cotton; Turf | |
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Current | |
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1962 |
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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Australia |
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Chemical structure |
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C₁₄H₂₄NO₄PS₃ | |
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CC(C)OP(=S)(OC(C)C)SCCNS(=O)(=O)C1=CC=CC=C1 | |
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No data | |
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RRNIZKPFKNDSRS-UHFFFAOYSA-N | |
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InChI=1S/C14H24NO4PS3/c1-12(2)18-20(21,19-13(3)4)22-11-10-15-23(16,17)14-8-6-5-7-9-14/h5-9,12-13,15H,10-11H2,1-4H3 | |
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Yes |
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Common Name | Relationship | Link |
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bensulide | - | ![]() |
General status |
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Herbicide | |
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Phosphorodithioate | |
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Synthetic | |
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Selective, acts by inhibiting germination, absorbed through leaves and roots | |
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741-58-2 | |
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212-010-4 | |
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295 | |
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009801 | |
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12932 | |
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397.51 | |
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S-[2-(benzenesulfonamido)ethyl] O,O-di(propan-2-yl) phosphorodithioate | |
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O,O-diisopropyl S-2-phenylsulfonylaminoethyl phosphorodithioate | |
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O,O-bis(1-methylethyl) S-[2-[(phenylsulfonyl)amino]ethyl] phosphorodithioate | |
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Potential groundwater contaminant | |
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N | |
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8 | |
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Not applicable | |
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Not applicable | |
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Colourless to yellow viscous liquid |
Formulations |
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Usually supplied as an emulsifiable concentrate or as granules. |
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25 | G4 G = Extension Toxicology network database EXTOXNET (click here ) 4 = Verified data |
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 Ethanol2 = 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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34.4 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Decomposes before boiling | G4 G = Extension Toxicology network database EXTOXNET (click here ) 4 = Verified data |
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100 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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157 | G4 G = Extension Toxicology network database EXTOXNET (click here ) 4 = Verified data |
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1.58 X 1004 | Calculated | - | |||||||
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4.2 | G4 G = Extension Toxicology network database EXTOXNET (click here ) 4 = Verified data |
High | ||||||||
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1.25 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Not applicable | H4 H = The US ARS pesticide properties database (click here ) 4 = Verified data |
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No dissociation | |||||||||||
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0.133 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low volatility | ||||||||
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2.11 X 10-03 | 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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90 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately persistent | |||||||
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120 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Persistent | ||||||||
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Best available data. May persist for up to a year | ||||||||||
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200 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Persistent | |||||||
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Not pH sensitive | ||||||||||
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Soil adsorption and mobility |
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- | H3 H = The US ARS pesticide properties database (click here ) 3 = Unverified data of known source |
Slightly mobile | |||||||
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3900 | ||||||||||
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Best available data | ||||||||||
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43.1 | 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 |
Slightly mobile | |||||||
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1448 | ||||||||||
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1.04 | ||||||||||
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Kf range 11.0-65.4 mL g⁻¹, Kfoc range 785-2037 mL g⁻¹, 1/n - no data, Soils=3 | ||||||||||
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Fate indices |
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1.74 | Calculated | Low leachability | ||||||||||||||||||||||||||
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5.79 X 10-02 | Calculated | - | |||||||||||||||||||||||||
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High | Calculated | - | ||||||||||||||||||||||||||
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Slightly mobile | Calculated | - |
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880 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Whole fish4 = Verified data |
Threshold for concern | |||||||
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Not available | - | |||||||||
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270 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Moderate | ||||||||
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1 | L2 L = Pesticide manuals and hard copy reference books / other sources Rat 2 year2 = Unverified data of unknown source |
High | |||||||
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> 1386 | L3 L = Pesticide manuals and hard copy reference books / other sources Colinus virginianus3 = Unverified data of known source |
Moderate | ||||||||
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> 1.1 | L3 L = Pesticide manuals and hard copy reference books / other sources Oncorhynchus mykiss3 = Unverified data of known source |
Moderate | ||||||||
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> 0.58 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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< 0.0042 | 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 |
High | ||||||||
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0.051 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Americamysis bahia3 = Unverified data of known source |
High | ||||||||
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0.11 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Lemna gibba3 = Unverified data of known source |
Moderate | ||||||||
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24.0 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Apis mellifera4 = Verified data |
Moderate | |||||||
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> 1.6 | G3 G = Extension Toxicology network database EXTOXNET (click here ) 3 = Unverified data of known source |
Moderate | ||||||||
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> 1000 | E3 E = Manufacturers safety data sheets Eisenia foetida3 = Unverified data of known source |
Low | ||||||||
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General |
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High (class III) | - | - | ||||||||
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270 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Moderate | ||||||||
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2000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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1.75 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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Health issues |
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Moderately toxic May cause convulsions at high doses May cause respiratory problems |
Handling issues |
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No information available | |||
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Health: H302 Environment: H400, H410 |
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Xn - Harmful: R22 N - Dangerous for the environment: R50, R53 |
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S2, S22, S61, S36, S60 | |||
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II (Moderately hazardous) | |||
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2902 | |||
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bensulide | ||
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bensulide | ||
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Bensulid | ||
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bensulid | ||
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bensulide | ||
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bensulida | ||
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bensulid | ||
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bensulide |
Record last updated: | 31/12/2020 |
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 |