Dimethyl disulfide |
![]() Last updated: 14/01/2021 |
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(Also known as: DMDS; dithioether; dimethyl disulphide) |
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A multi-use pre-plant pest management chemical which is mainly used as a soil fumigant. It also has food additive applications. | |
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Soil-borne pathogens; Nematodes | |
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Tomatoes; Peppers; Aubergines; Strawberries; Blueberries; Field-grown ornamentals; Forest nursery stock | |
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Current | |
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2012, first registered USA |
UK regulatory status |
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Pending | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Pending | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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France | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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No data | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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USA |
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Chemical structure |
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C₂H₆S₂ | |
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CSSC | |
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No data | |
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WQOXQRCZOLPYPM-UHFFFAOYSA-N | |
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InChI=1S/C2H6S2/c1-3-4-2/h1-2H3 | |
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Yes |
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Common Name | Relationship | Link |
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dimethyl disulfide | - | ![]() |
General status |
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Fungicide, Herbicide, Insecticide, Nematicide | |
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Unclassified | |
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>98.8% | |
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Synthetic | |
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As an insecticide dimethyl disulfide works by causing mitochodrial dysfunction. Broad spectrum fungicide. | |
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624-92-0 | |
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210-871-0 | |
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029088 | |
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12232 | |
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94.20 | |
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(methyldisulfanyl)methane | |
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dimethyl disulfide | |
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dimethyl disulfide | |
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Volatile Organic Compound; FEMA 3536; PAN Bad Actor Chemical | |
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None allocated | |
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None allocated | |
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None allocated | |
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None allocated | |
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None identified | |
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Slightly yellow liquid with strong garlic-like odour |
Formulations |
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Usually supplied as either an emulsifiable concentrate which is diluted and applied by drip irrigation of broadcast sprayer or as a soil fumigant |
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2702 | 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 |
High | ||||||||
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Miscible | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) n-Hexane4 = Verified data |
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-85 | 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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109 | 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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15.0 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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5.89 X 1001 | Calculated | - | |||||||
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1.77 | 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 |
Low | ||||||||
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1.062 | 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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Not applicable | 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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No dissociation | |||||||||||
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3.8 X 1006 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Highly volatile | ||||||||
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Degradation |
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3.3 | 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 |
Non-persistent | |||||||
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3.3 | 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 |
Non-persistent | ||||||||
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1.3 | 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 |
Moderately fast | |||||||
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Stable | 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 |
Stable | |||||||
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Stable at all environmentally relevant pH's | ||||||||||
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Soil adsorption and mobility |
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- | 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 |
Mobile | |||||||
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Koc range 15-47 mL g⁻¹ | ||||||||||
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Fate indices |
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1.27 | Calculated | Low leachability | ||||||||||||||||||||||||||
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2.86 X 10-03 | Calculated | - | |||||||||||||||||||||||||
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Low | Calculated | - | ||||||||||||||||||||||||||
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Mobile | Calculated | - |
Other known metabolites |
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methanesulfonic acid Note: DT50 soil = 15 days |
- | Soil | 0.33 | - | |||||
methanesulfinic acid | - | Soil | - | - | |||||
sulphuric acid | - | Soil | - | - |
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190 | 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 |
Moderate | ||||||||
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342 | Q3 Q = Miscellaneous internet resources Colinus virginianus3 = Unverified data of known source |
Moderate | ||||||||
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0.97 | Q3 Q = Miscellaneous internet resources Oncorhynchus mykiss3 = Unverified data of known source |
Moderate | ||||||||
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1.8 | Q3 Q = Miscellaneous internet resources Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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6.7 | Q3 Q = Miscellaneous internet resources Anabaena flos-aqua 96 hr3 = Unverified data of known source |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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190 | 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 |
Moderate | ||||||||
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2000 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rabbit4 = Verified data |
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5.05 | Q3 Q = Miscellaneous internet resources Rat3 = Unverified data of known source |
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Health issues |
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Toxic by ingestion Inhalation may cause nausea, headache amd dizziness |
Handling issues |
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Flammable Incompatible with strong oxidisng agents Will emit toxic fumes on heating IMDG Transport Code is 6.1 |
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2381 | |||
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Packaging Group II (medium danger) |
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dimethyl disulfide | ||
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disulfure de dimethyle | ||
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Record last updated: | 14/01/2021 |
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 |