Detailed Product Description

Herbicide:quizalofop-p-ethyl 95%tech is a selective, postemergence phenoxy herbicide. It is used to control annual and perennial grass weeds in potatoes, soybeans, sugar beets, peanuts, vegetables, cotton and flax, as well as other crops.

Quizalofop-p and quizalofop-p-ethyl should not be confused with quizalofop or quizalofop ethyl. The latter two compounds are distinctly different from the former two. The material in this profile refers only to the technical compound quizalofop-p-ethyl unless otherwise stated.

Mol. wt. 372.8 

M.f. C19H17ClN2O4 

Form White, crystalline, odourless solid. 

M.p. 76.1-77.1  

B.p. 220 /26.6 Pa  V.p. 1.1 ?10-4 mPa (20 ) 

KOW logP = 4.66 (23? ) 

S.g./density 1.36 g/cm3  Solubility In water 0.61 mg/l (20 ). In acetone, ethyl acetate and xylene >250, 1,2-dichloroethane >1000 (all in g/l, 22-23 ); in methanol 34.87, n-heptane 7.168 (both in g/l, 20 ). 

Stability Stable in neutral and acidic media, but unstable in alkaline media; DT50 <1 d (pH 9). Stable at high temperatures and in organic solvents.  Specific rotation [a]D20 +35.9?(20 ) 

Uses

Selective post-emergence control of annual and perennial grass weeds in potatoes, soya beans, sugar beet, peanuts, oilseed rape, sunflowers, vegetables, cotton, and flax.