Chemical Name: 3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethyl cyclopropanecarboxylate.

Formula: C21H20Cl2O3.

Molecular weight: 391.3.

CAS No. : 52645-53-1. 
Structure:
 
Description: 
Appearance : Pale yellow liquid. 
Melting   Point: 34-35 °C. 
Vapour Pressure: 4.53×10-5 Pa at 25°C.
Stability : Soluble in Xylene, acetone, methanol, ethanol, ethers and dichloromethane by＞50%，glycol by 3%。 
Specification :95%TC,50%EC,25%EC,25%WP,10%EC.
Uses: It is a potent insecticide with powerful contact and stomach poisoning action , killing action , stability to light and the first household pyrethrin insecticide for prevention of agricultural pests. It has lethal effect to spawn and relatively mild irritation due to its lack of cyanogens group in its chemical structure, therefore safer to mammals and ideal for control and prevention of household insects and livestock pests.