Empirical Formula C23H19ClF3NO3 Mol. Weight 449.85 g/mol CAS No. 91465-08-6 Specification 95% TC, 10% WP, 2.5% EC,10% EW,50 g/L EC Index Lambda-cyhalothrin 95% TC, Lambda-cyhalothrin 10% WP, Lambda-cyhalothrin 25 g/L Mode of Action lambda-cyhalothrin can be used to control farmland, orchards, flower nursery, grassland and non-arable land, railway lines, rivers, reservoirs, warehouses and other weeds, miscellaneous irrigation, Zashu and other harmful plants. Application Non-systemic insecticide with contact and stomach action, and repellent properties. Gives rapid knockdown and long residual activity. Control of a wide spectrum of insect pests, e.g. aphids, Colorado beetles, thrips, Lepidoptera larvae, Coleoptera larvae and adults, etc., in cereals, hops, ornamentals, potatoes, vegetables, cotton, and other crops. Provides good control of insect-borne plant viruses. Also used for control of insect pests in public health.