butyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propanoate

Butyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propionate

C₂₀H₂₀FNO₄

Form White crystalline solid.

Melting point 49.5℃.

Density 1.172 (20℃).

Solubility In water 0.44 (unbuffered), 0.46 (pH 5), 0.44 (pH 7.0) (all mg/l, 20℃). In acetonitrile >250, n-heptane 6.06, n-octanol 16.0, dichloroethane >250, methanol >250, acetone >250, ethyl acetate >250 (all in g/l, 20℃).

Oral Acute oral LD50 for male and female rats, and for male and female mice >5000 mg/kg.

Skin and eye Acute percutaneous LD50 for male and female rats >2000 mg/kg.

Inhalation LC50 for rats >5.63 mg/l.

For post-emergence control of grass weeds in rice. For selectivity in Poaceae species.

Description: White or shallow brown soild, free from visible extraneous matter;

Active Ingredient Content(w/w): ≥95%;

Water (w/w): ≤0.5%;

pH Value: 4.5~7.0;

Acetone Insoluble Material(w/w): ≤0.5%