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Agent Name Metolachlor
CAS Number 51218-45-2
Formula C15-H22-Cl-N-O2
Major Category Pesticides
Synonyms Metolaclor; Dual; 2-Chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetmide; 2-Chloro-6`-ethyl-N-(2-methoxy-1-methylethyl)acet-o-toluidide; alpha-Chloro-2`-ethyl-6`-methyl-N-(1-methyl-2-methoxyethyl)-acetanilide; Turbo; Bicep 6L; Dual 25G; Dual 8E; Pace 6L; Primextra; Codal; 2-Chloro-6`-ethyl-N-(2-methoxy-1-methyethyl)-o-acetoluidide; Acetamide, 2-chloro-N-(6-ethyl-o-tolyl)-N-(2-methoxy-1-methyethyl)-; o-Acetotoluidide, 2-chloro-6`-ethyl-N-(2-methoxy-1-methylethyl); Cotoran multi; Ontrack 8E; [ChemFinder] Bicep, CGA-24705, Dual, Pennant, Pimagram; [EXTOXNET]
Category Herbicides, Other
Sources/Uses Used to control weeds in crops of corn, soybeans, peanuts, sorghum, potatoes, peas, cotton, safflower, stone fruits, nut trees, and ornamentals; also used on roadways; [EXTOXNET]
Comments Classified as 'slightly toxic," metolachlor is an pre-emergent herbicide with an oral LD50 of 2780 mg/kg. [EXTOXNET] Methemoglobinemia has been reported after poisoning by ingestion. [HSDB]
Reference Link EXTOXNET PIP - METOLACHLOR
Exposure Assessment
Skin Designation (ACGIH) Not evaluated
Adverse Effects
Methemoglobinemia Methemoglobinemia, Secondary
Links to Other NLM Databases
Health Studies Human Health Effects from Hazardous Substances Data Bank: METOLACHLOR  
Toxicity Information Search TOXNET
Chemical Information Search ChemIDplus
Biomedical References Search PubMed
Related Information in Haz-Map
Processes Industrial Processes with risk of exposure:





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Last updated: January, 2009