Acetamide;fluthiamide*;N-(4-fluorophenyl)-N-(1-methylethyl)-2-[[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]oxy]acetamide

4'-fluoro-N-isopropyl-2-(5-trifluoromethyl-1,3,4-thiadiazol-2-yloxy)acetanilide

C₁₄H₁₃F₄N₃O₂S

Form White to tan solid.

Melting point 76-79℃.

Density 1.45 (20℃).

Solubility In water 56 (pH 4), 56 (pH 7), 54 (pH 9) mg/l (25℃). In acetone, dichloromethane, dimethylformamide, toluene and dimethyl sulfoxide >200, isopropanol 170, n-hexane 8.7, n-octanol 88, polyethylene glycol 74 (all in g/l).

Oral Acute oral LD50 for male rats 1617, female rats 589 mg/kg.

Skin and eye Acute percutaneous LD50 for rats >2000 mg/kg. Not an eye or skin irritant (rabbits).

Inhalation LC50 (4 h) for rats >3740 mg/m3 (aerosol).

Selective herbicide with broad spectrum grass control and control of some broad-leaved weeds; pre-plant-incorporated, pre-plant-surface, pre-emergence in maize and soya beans, pre-planting in tomatoes, pre-emergence in potatoes and sunflowers, and post-emergence in maize, wheat and rice.