Detailed Product Description
Insecticide:Lambda-cyhalothrin 5% EC
Composition Tech. grade is c. 81% pure.
Mol. wt. 449.9
M.f. C23H19ClF3NO3
Form Colourless solid; (tech. is a dark brown/green solidified melt).
M.p. 49.2 ; (tech., 47.5-48.5 )
B.p. Does not boil at atmospheric pressure
V.p. 2 ?10-4 mPa (20 , est.); 2 ?10-1 mPa (60 , interpolated)
KOW logP = 7 (20 )
Henry 2 ?10-2 Pa m3 mol-1
S.g./density 1.33 g/ml (25 )
Solubility In water 0.005 mg/l (20 ). In acetone, methanol, toluene, hexane, ethyl acetate >500 g/l.
Stability Stable to light. Stable on storage for more than 6 months at 15-25 .
pKa >9 (hydrolysis prevents measurement)
F.p. 185 (tech., Pensky-Martens closed cup)
Mode of action
Non-systemic insecticide with contact and stomach action, and repellent properties. Gives rapid knockdown and long residual activity.
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 insect pests in public health.
