Trifluraline;2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamine

a,a,a-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine

C₁₃H₁₆F₃N₃O₄

Form Yellow-orange crystals.

Melting point 48.5-49℃. Density 1.36 (22℃).

Solubility In water 0.343 (pH 5), 0.395 (pH 7), 0.383 (pH 9) (all in mg/l). In acetone, chloroform, acetonitrile, toluene, ethyl acetate >1000, methanol 33-40, hexane 50-67 (all in g/l, 25℃).

Oral Acute oral LD50 for rats >5000 mg/kg;

Skin and eye Acute percutaneous LD50 >5000 mg/kg (rabbits);

Non-irritating to skin; slightly irritating to eyes (rabbits);

Inhalation LC50 (4 h) for rats >4.8 mg/l

Pre-emergence control of many annual grasses and broad-leaved weeds in brassicas, beans, peas, carrots, parsnips, lettuce, capsicums, tomatoes, artichokes, onions, garlic, vines, strawberries, raspberries, citrus fruit, oilseed rape, peanuts, soya beans, sunflowers, safflowers, ornamentals, cotton, sugar beet, sugar cane, and in forestry.

Description: Yellow solid,free from visible extraneous matter; 

Active Ingredient Content (w/w): ≥95.0%; 

N,N-dipropyl amine: ≤1%; 

Acetone Insoluble Material (w/w): ≤0.2%