Chloromethiuron (Ref: CGA 13444) |
Last updated: 02/05/2024 |
(Also known as: C-9140) |
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A thiourea insecticide which is now considered to be obsolete | |
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Considered obsolete but may be available in some countries | |
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1975, first reported | |
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Once used to treat Ixodidae ticks, mites and lice | |
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Cattle; Sheep; Horses; Dogs |
Approval status |
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Not approved | |
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Not approved |
Chemical structure |
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- | |
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C₁₀H₁₃ClN₂S | |
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CC1=C(C=CC(=C1)Cl)NC(=S)N(C)C | |
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- | |
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IBZZDPVVVSNQOY-UHFFFAOYSA-N | |
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InChI=1S/C10H13ClN2S/c1-7-6-8(11)4-5-9(7)12-10(14)13(2)3/h4-6H,1-3H3,(H,12,14) | |
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Yes |
General status |
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Acaricide, Insecticide, Ixodicide | |
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Thiourea substance | |
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- | |
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Synthetic | |
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Unknown mode of action | |
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28217-97-2 | |
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- | |
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3034465 | |
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3034465 | |
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- | |
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None allocated | |
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No | |
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- | |
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228.75 | |
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N'-(4-chloro-2-methylphenyl)-N,N-dimethylcarbonothioic diamide | |
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3-(4-chloro-2-methylphenyl)-1,1-dimethylthiourea | |
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N'-(4-chloro-2-methylphenyl)-N,N-dimethylthiourea | |
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- | |
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- | |
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Colourless crystalline solid |
Formulations |
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Dipofene | Ciba Geigy | Not licensed | Not licensed | ||||||
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50 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderate | ||||||||
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37000 | L3 L = Pesticide manuals and hard copy reference books / other sources Acetone3 = Unverified data of known source |
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40000 | L3 L = Pesticide manuals and hard copy reference books / other sources Dichloromethane3 = Unverified data of known source |
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50 | L3 L = Pesticide manuals and hard copy reference books / other sources Isopropanol3 = Unverified data of known source |
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175 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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6.61 X 1002 | Calculated | - | |||||||
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2.82 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) 3 = Unverified data of known source |
Moderate | ||||||||
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1.34 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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0.0011 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low volatility | ||||||||
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5.03 X 10-06 | 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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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. | ||||||||||
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Soil adsorption and mobility |
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Fate indices |
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Low risk | Q3 Q = Miscellaneous data from online sources Based on LogP < 33 = Unverified data of known source |
Low risk | |||||||||||||||||||||||||
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Known metabolites |
None
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Terrestrial ecotoxicology |
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> 2500 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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Aquatic ecotoxicology |
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General |
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High (class III) | - | - | ||||||||
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> 2500 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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2150 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) Rat3 = Unverified data of known source |
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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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U (Unlikely to present an acute hazard) | |||
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chloromethiuron | ||
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Record last updated: | 02/05/2024 |
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 |