Lamda-Cyhalorhthrin

COMMON NAME: Lambda-cyhalothrin CHEMICAL NAME: A reaction product comprising equal quantities of (S)-a-cyano-3-phenoxybenzyl (Z)-(1R, 3R)-3-(2-chloro-3, 3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate and (R)-a-cyano-3-phenoxybenzyl (Z)-(1S, 3S)-3-(2-chloro-3, 3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate or of (S)-a-cyano-3-phenoxybenzyl (Z)-(1R)-cis-3- (2-chloro-3, 3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate and (R)-a-cyano-3-phenoxybenzyl (Z)-(1S)-cis-3- (2-chloro-3, 3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate3+3.0 STUCTURE FORMULA: Technical grade: white or light yellow powdery solid. EC formulation is light yellow transparent liquid. Melting point 49.2oC, Vapor pressure 2.67×10-10 Pa (20oC); Solubility: pure water: 0.005mg/L (pH6.2), buffering water:0.004mg/L (pH5.0), acetone, ethyl acetate, methanol, normal hexane, toluene>500mg/L (21oC) TOXICOLOGY: Oral Acute oral LD50 for male rats 79, female rats 56, mice 20 mg/kg. Acute percutaneous LD50 for rats 632-696 mg/kg. Mild eye irritation; non irritant to skin (rabbits). Not a skin sensitiser (guinea pigs). Inhalation LC50 (4h) 0.06 mg/l air (total particulate). FORMULATION AND SPECIFICATION: Technical grade: 97% or 95% min technical grade Formulation: 2.5% EC, 5.0%EC. PACKING: Iron drums, 1000ml/bottle, 180kg/drum, or on the Client's requirement. USES: 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 insecticide pests in public health.