Methyldymron (Ref: K-1441) |
![]() Last updated: 04/01/2021 |
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(Also known as: SK-41) |
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An obsolete herbicide that was used for the pre-emergence control of weeds in turf | |
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Cyperaceous and some annual grass weeds | |
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Turf | |
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Obsolete | |
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1975, first reported |
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 approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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C₁₇H₂₀N₂O | |
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CC(C)(C1=CC=CC=C1)NC(=O)N(C)C2=CC=CC=C2 | |
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No data | |
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MINYZXVCTYSNY-UHFFFAOYSA-N | |
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InChI=1S/C17H20N2O/c1-17(2,14-10-6-4-7-11-14)18-16(20)19(3)15-12-8-5-9-13-15/h4-13H,1-3H3,(H,18,20) | |
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Yes |
General status |
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Herbicide | |
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Phenylurea | |
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>98% | |
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Synthetic | |
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Inhibits cell division. Selective, absorbed by roots and translocated | |
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42609-73-4 | |
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92326 | |
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268.35 | |
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N-methyl-N-phenyl-N'-(2-phenylpropan-2-yl)urea | |
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1-methyl-3-(1-methyl-1-phenylethyl)-1-phenylurea | |
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N-methyl-NŒ-(1-methyl-1-phenylethyl)-N-phenylurea | |
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Z | |
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0 | |
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Not applicable | |
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Not applicable | |
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White crystalline solid |
Formulations |
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Usually supplied as a wettable powder |
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120 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderate | ||||||||
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913000 | L3 L = Pesticide manuals and hard copy reference books / other sources Acetone3 = Unverified data of known source |
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8200 | L3 L = Pesticide manuals and hard copy reference books / other sources Hexane3 = Unverified data of known source |
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637000 | L3 L = Pesticide manuals and hard copy reference books / other sources Methanol3 = Unverified data of known source |
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72.0 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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453 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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227.5 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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1.02 X 1003 | Calculated | - | |||||||
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3.01 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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1.1 | 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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Soil adsorption and mobility |
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Fate indices |
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Cannot be calculated | - | - | |||||||||||||||||||||||||
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> 5000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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14.0 | L3 L = Pesticide manuals and hard copy reference books / other sources Cyprinus carpio3 = Unverified data of known source |
Moderate | ||||||||
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> 40.0 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia pulex3 = Unverified data of known source |
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General |
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High (class III) | - | - | ||||||||
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> 5000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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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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> 4.85 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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Subcutaneous LD₅₀ > 7600 mg kg⁻¹ | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 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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methyldymron | ||
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methyldymron | ||
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Record last updated: | 04/01/2021 |
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 |