Permethrin

 Product Name: Permethrin

CAS:52645-53-1

Permethrin, an organic compound with the molecular formula C21H20Cl2O3 and a molecular weight of 391.288, a colorless crystal (but technical products are usually supplied as a light brown liquid) is an insect killing compound, a nerve agent.

Physical and chemical properties of pure products for solid, the active ingredient for brown viscous liquid or semi-solid. Relative density 1.21 (20℃), 1.202 (32℃), M. P. 34 ~ 35℃, B.P. 200℃/1.33Pa, 220℃/39.99Pa, flash point >200℃. At 30℃, the solubility of Bb0 is 50% in acetone, methanol, ether and xylene, and less than 3% in ethylene glycol. <0.03mg/L in water. Permethrin is stable under acidic and neutral conditions and decomposes in alkaline medium. The half-life is 500h in water, 15d (20℃) in fertile soil, about 4d under visible and ultraviolet light, and up to 3 weeks under wea.