Fenoxaprop-P

Common name fenoxaprop-P

IUPAC name (R)-2-[4-(6-chloro-1, 3-benzoxazol-2-yloxy)phenoxy]propionic acid; (R)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionic acid

Chemical Abstracts name (R)-2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoic acid

CAS RN [113158-40-0]

Biochemistry Fatty acid synthesis inhibition in grasses, by inhibition of acetyl CoA carboxylase (ACCase). Mode of action Fenoxaprop-P-ethyl is a selective herbicide with contact and systemic action, absorbed principally by the leaves, with translocation both acropetally and basipetally to the roots or rhizomes.

Uses Post-emergence control of annual and perennial grass weeds in potatoes, beans, soya beans, beets, vegetables, peanuts, flax, oilseed rape, and cotton; And (when applied with the herbicide safener mefenpyr-diethyl) annual and perennial grass weeds and wild oats in wheat, rye, triticale and, depending on ratio, in some varieties of barley. Phytotoxicity Non-phytotoxic to broad-leaved crops.

Formulation types EC; EW; SE.

Fenoxaprop-P-ethyl
Oral Acute oral LD50 for rats 3150-4000, mice >5000 mg/kg. Skin and eye Acute percutaneous LD50 for rats >2000 mg/kg. Inhalation LC50 (4 h) for rats >1.224 mg/l air. NOEL (90 d) for rats 0.75 mg/kg b. W. Daily (10 ppm), for mice 1.4 mg/kg b.W. Daily (10 ppm), for dogs 15.9 mg/kg b. W. Daily (400 ppm).