Chemical Name: 1-[2-(2,4-dichlorophenyl)-pentyl]-1h-1,2,4-triazole

Formula: C₁₃H₁₅Cl₂N₃

Molecular Weight: 284.2

CAS No.: 66246-88-6

Appearance: Light yellow and viscous liquid.

Melting Point:136°C

Vapour Pressure: 0.133 mPa at 25°C.

Stability: Stable in water 70 mg/L at 20°C, easy solves in organic solvents. Stable under below 320°C; under the sunlight and stable in acid, alkali media.

Toxicity: Oral LD₅₀ (Rat)>2,125 mg/kg. Dermal LD₅₀ (Rabbit) >3,000 mg/kg. Inhatation LC₅₀: (4 h.) 4mg/l.

Specification: 97%TC,20%EW,10%EC.

Uses: penconazole is used to kill powdery mildew and basidiomycetes, deuteromycetes; especially widely used in pumpkin, grape and pome.