Lambda-cyhalothrin

Product name: Lambda-cyhalothrin Other name: cyhalothrin, clocythrin, cishalothrin, Darate, Matador HazardClass: 6.1 PackingGroup: Ⅲ Chemical name: a-cyano-3-phenoxybenzyl3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate, (Z)-(1R)-cisαS:(Z)-(1S)-cisαR　1:1 mixture CAS NO.: 91465-08-6 Molecular Formula: C23H19ClF3NO3 Molecular weight: 449．86 Specification: TC:purity≥95%,Acidity ≤0.2% Moisture:<1.0%， Formulation:2.5%EC,5%EC,5%SC,2.5%WP physicochemical property: The appearance of TC is white to light gray powder, butter for pale yellow liquid. Density: 1.33, vapor pressure 2.67 x 10-10 pa / 20 ℃. Melting point: 49.2 ℃. Solubility: pure water 0.005 mg/L (pH6.2), buffer water 0.004 mg/L (pH5.0), acetone, ethyl acetate and methanol, n-hexane, toluene > 500 mg/L (21 ℃). Stability: in 15 ~ 20 ℃, at least can stable storage for six months. Acid medium stability, in alkaline medium easy decomposition, it in the water hydrolysis half life of about seven days. Poisonousness: Acute toxicity (rat) through the mouth LD50 79 mg/kg, percutaneous LD50 632 mg/kg, chronic toxicity: yes Rats no action dose 1.7 1.9 mg/kg, irritating: to eyes and skin with mild stimulation, toxicity grade WHO (A.I.) (II) Application: Three cyhalothrin for quasi pyrethroid pesticides, has the tag, stomach poison effect, no inner suction effect, insecticidal spectrum wide, high activity, efficacy quickly, the long effect, the toxicity of beneficial insects is also lower, after spraying rain wash resistance etc, and is mainly used for the prevention and control of cotton, vegetables, fruit trees, tobacco and other crops on the all kinds of insect pests. Packing: TC: 25 kg/fiber drum; EC/SL: 200L/Iron drum; Powder: 25 kg/bag or as customerized.
insecticide