Acetochlor

Nomenclature

Common name:Acetochlor (BSI, E-ISO, ANSI, WSSA); actochlore ((m) F-ISO)
IUPAC name:2-chloro-N-ethoxymethyl-6\'-ethylaceto-o-toluidide
Chemical abstracts name:2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide
CAS RN: [34256-82-1]
EEC no.: 251-899-3

Applications

Biochemistry: It inhibits cell division by blocking protein synthesis; more recentresearch suggests chloroacetamides may inhibit synthesis of very long chainfatty acids (J. Schmalfuss et al., Abstr. Meeting WSSA, Toronto, 40, 117-118, 2000; P. Bger, Abstr.III Int. Weed Control Congr., Brazil 2000). Maize tolerance of chloroacetamidesis due mainly to conjugation with glutathione; P450 metabolism may also be afactor.
Mode of action: It is a selectiveherbicide, mainly absorbed by the shoots and secondarily by the roots ofgerminating plants.
Uses: Acetochlor is usedpre-emergence or pre-plant to control annual grasses, certain annualbroad-leaved weeds and yellow nutsedge in maize (at 3 kg/ha), peanuts, soya beans, cotton, potatoes and sugar cane.
Formulation types: CS; EC.

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