Insecticide Lambda-cyhalothrin

Insecticide Lambda-cyhalothrin

NOMENCLATURE
Common name lambda-cyhalothrin (BSI, draft E-ISO); lambda-cyhalothrine ((f) draft F-ISO)
IUPAC name A reaction product comprising equal quantities of (S-cyano-3-phenoxybenzyla)- (Z)-(1R,3R)-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate and (R-cyano-3-phenoxybenzyl (a)-Z)-(1S,3S)-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate
Roth: (S-cyano-3-phenoxybenzyl (a)-Z)-(1R)-cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate and (R-cyano-3-phenoxybenzyl (a)-Z)-(1S)-cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate (1:1)
Chemical Abstracts name (a[1S(a*),3Z)]-(?-cyano(3-phenoxyphenyl)methyl 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate
CAS RN [91465-08-6]

Insecticide lambda-cyhalothrin, with formula C23H19ClF3NO3, is a kind of pyrethroid. It is insoluble in water but soluble in many organic solvents such as acetone, methanol, ethyl acetate, toluene and the solubility is bigger than 500g/L. It has stable characteristic. To be more specific, it can be stored for more than six months at room temperature and half-life is 20 days under the sun or in water. In soil, half-life is as long as 22 to 82 days and 2 years if it is stored in 50℃ darkness. The mechanism for this product is to inhibit conduction of axons parts of insects. Because of its broad spectrum insecticidal activity, high efficiency, quick effect and rain erosion resistance, this product is applicable to prevention of sucking mouthparts pests. Besides that, it can be used at the initial stage of mites. However, it can't control the mites when the number increases so this product can't be taken as exclusive pesticide for mites.

As a nerve agent, there is little toxicity for insecticide lambda-cyhalothrin. And after contact, there is skin tingling especially around mouth, nose but no erythema or systemic poisoning. There is no specific antidote for this product so gastric lavage but rather induced vomiting can be used for large quantity swallow.

Eastchem is a professional insecticide lambda-cyhalothrin manufacturer based in China. Apart from insecticide, our company also supplies herbicide glyphosate, herbicide paraquat, fungicide hexaconazole and fungicide metalaxyl, etc.

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