2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)-5-ethyl-3-pyridinecarboxylic acid;

(RS)-5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid

C₁₅H₁₉N₃O₃

Form Off-white to tan solid.

Melting point 169-173℃.

Density 1.10-1.12 (21℃).

Solubility In water 1.4 g/l (25℃). In acetone 48.2, methanol 105, toluene 5, dichloromethane 185, dimethyl sulfoxide 422, isopropanol 17, heptane 0.9 (all in g/l, 25℃).

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

Skin and eye Acute percutaneous LD50 for rabbits >2000 mg/kg; not a skin irritant, and reversible eye irritant.

Inhalation LC50 for rats 3.27 mg/l air (analytical), 4.21 mg/l (gravimetric).

Control of many major annual and perennial grass and broad-leaved weeds in most major crops. Applied pre-plant incorporated, pre-emergence, or post-emergence.

Description: Pale brown crystalline solid, free from visible extraneous matter;

Active Ingredient Content(w/w): ≥98%;

Loss on Drying(w/w): ≤1.0%;

pH Range: 3.0~5.0;

Solid Insoluble Material(w/w): ≤0.1%