Butachlor

Common name butachlor (BSI, draft E-ISO, (m) draft F-ISO, ANSI, WSSA, JMAF); no name (France)

IUPAC name N-butoxymethyl-2-chloro-2',6'-diethylacetanilide 

Chemical Abstracts name N-(butoxymethyl)-2-chloro-N-(2,6-diethylphenyl)acetamide 

CAS RN [23184-66-9]

Composition ³93.5% pure. 

Mol. wt. 311.9 

M.f. C17H26ClNO2 

Form Light yellow to purple liquid with a faint, sweet odour. 

M.p. -2.8 癈 to 1.7 癈 

B.p. 156 篊/0.5 mmHg 

V.p. 2.4 ´ 10-1 mPa (25 癈) 

Henry 3.74 ´ 10-3 Pa m3 mol-1 (calc.) 

S.g./density 1.076 (25 篊) 

Solubility In water 20 mg/l (20 篊). Soluble in most organic solvents, including diethyl ether, acetone, benzene, ethanol, ethyl acetate, and hexane. 

Mode of action

Selective systemic herbicide, absorbed primarily by the germinating shoots, and secondarily by the roots, with translocation throughout the plant, giving higher concentrations in vegetative parts than in reproductive parts.