Chemical Name: N-(2,4-difluorophenyl)-2-[3-(trifluoromethyl)phenoxy]-3-pyridine carboxamide

Formula: C₁₉H₁₁F₅N₂O₂

Molecular weight: 394.30

CAS No.: 83164-33-4

Appearance: White powder.

Melting Point: 162-163°C.

Vapour Pressure: 0.07m Pa at 20°C.

Stability: Solubility in water 0.5mg/L, 45, in acetone 100g/L, 50g/l in hypnone and cyclohexanone; <10g/l in cyclohexane, 2-ethoxylethanol and kerosene; 35g/kg in 3,5,5-trimethylcyclohexyl-2-ketene, 20g/kg in xylene

Specification: 95%TC,50%SC.

Uses: diflufenican is a broad-spectrum selective herbicide for wheat field, used before or after sprouting as 125-250G/ha to prevent and remove gramineous weeds and broad leaved weeds, especially for cleavers, speedwell and violet weed.