Chemical Name: A-cyano-3-phenoxybenzyl-3-(2-chloro-3,3,3-trifluoro-1-
propenyl)-2,2- dimethylcyclopropanecarboxylate. 
Formula: C23H19CIF3NO3.

Molecular weight: 449.86.

CAS No. : 91465-08-6.

Structure:
 
Description: 
Appearance : White crystalline solid. 
Melting Point: 49.2°C 
Vapour Pressure: 2.67*10-10 Pa/20°C 
Stability : Soluble in most organic solvents, insoluble in water (in water 5x10-3mg/L at pH6.5) Stability Stable in acid, decompose in alkalescence. 
Specification : 95%TC, 98%TC, 5%EC, 10%WP, 10%CS 
Uses: Lambda-cyhalothrin is a broad-spectrum insecticide with powerful contact and stomach poisoning action. it has a rapid knock down. Lambda-cyhalothrin is used in cotton, vegetable, fruit, and tobacco. It has low toxicity to beneficial insects.