Chemical Name: N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine

Formula: C₁₃H₁₉N₃O₄

Molecular weight: 281.3

CAS No.: 40487-42-1

Appearance: orange-yellow with fruit oder

Melting Point: 54-58°C.

Vapour Pressure: 4 mPa at 20°C.

Stability: Solubility in water 0.3mg/L, readily soluble in chlorinated hydrocarbons and aromatic hydrocarbons. Stable to acids and alkalis.

Toxicity: Oral LD₅₀ is 5000 mg/kg, dermal LD₅₀ ( rabbits) is 2000 mg/kg.

Specification: 95%TC,97%TC,33%EC.

Uses: pendimethalin is a selective herbicide used to control most annual grasses and certain broadleaf weeds in field corn, potatoes, rice, cotton, soybeans, tobacco, peanuts, and sunflowers. It is used both pre-emergence, that is before weed seeds have sprouted, and early post-emergence.