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Alpha-cypermethrin

Public-Health Insecticides > Alpha-cypermethrin

Alpha-cypermethrin Chemical Name:(±)a-cyano-3-phenoxybenzyl-(lR,S)-cis,trans-2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate
Molecular Formula:C22H19Cl2NO3
Molecular Weight:416.35
CAS NO.:67375-30-8
Properties:white to yellow crystalline solid; density: 1.28; vapor tension2.3×10～5Pa/20℃; m.p.: 80℃; soluble in ketons, alcohols; insoluble in water.
Toxicity:Rat acute per os LD50649mg/kg
Use:It has strong stomach and contact poisoning effect and swift effect to knock down, especially for the larva of insects. Its effect is one to three times higher than cypermethrin.
Assay:95%(β)
Packing:25KG/drum,according to requirement.

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