
Common name: Lambda-Cyhalothrin
Chemical name:
A reaction product comprising equal quantities of (S)-α- cyano-3-phenoxybenzyl (Z)-(1R,3R)-3-(2-chloro-3,3,3- trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate and (R)-α-cyano-3- phenoxybenzyl (Z)-(1S,3S)-3-(2-chloro-3,3,3- trifluoroprop-1-enyl)-2,2- dimethylcyclopropanecarboxylate
Chemical class: Insecticide
Molecular formula: C,HClFNO,
CAS NO.: 91465-08-6
Properties:
Colourless solid; tech. is a dark brown/green solidified melt). M.p. 49.2°C (tech. 47.5-48.5°C). B.p. Does not boil at atmospheric pressure. V.p. 2×10 mPa (20°C est. 2×10 mPa 60°C interpolated). S.g./density 1.33 g/mL (25°C). In water 0.005 mg/L (20°C). In acetone, methanol, toluene, hexane, ethyl acetate >500 g/L.
Mode of action:
Non-systemic insecticide with contact and stomach action, and repellent properties. Gives rapid knockdown and long residual activity.
Usage:
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, at 2-5 g/ha. Also used for control of insect pests in public health.
Normal Formulations:
97% Tech, 10% WP, 5% EC, 2.5% EC