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97% lambda-cyhalothrin TC

Common name：lambda-cyhalothrin

IUPAC name：A reaction product comprising equal quantities of (S)-a-cyano-3-phenoxybenzyl(Z)-(1R,3R)

-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate and

(R)- a-cyano-3-phenoxybenzyl (Z)-(1S,3S)-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate

Roth: (S)- a-cyano-3-phenoxybenzyl (Z)-(1R)-cis-3-(2-chloro-3,3,3-trifluoropropenyl)

-2,2-dimethylcyclopropanecarboxylate and (R)- a-cyano-3-phenoxybenzyl (Z)-(1S)-cis

-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate (1:1)

Chemical Abstracts name：[1a(S*),3a(Z)]-(±-cyano(3-phenoxyphenyl)methyl

3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate

Chemical Structure:

M.f.：C₂₃H₁₉ClF₃NO₃

Mol. wt.： 449.9

CAS RN：[91465-08-6]

Physical Chemistry：Form Colourless solid.M.p.49.2℃B.p. Does not boil at atmospheric pressureV.p. 2×10-4 mPa (20℃, est.); 2×?10-1 mPa (60℃, interpolated)KOW logP = 7 (20℃)Henry 2 ×10-2 Pa m3 mol-1S.g./density1.33 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℃. F.p.185℃ (tech., Pensky-Martens closed cup).

Applications：Non-systemic insecticide with contact and stomach action, and repellent properties. Gives rapid knockdown and long residual activity. 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.

Toxicology：Oral Acute oral LD50 for male rats 79, female rats 56, mice 20 mg/kg.Skin and eye Acute percutaneous LD50 for rats 632-696 mg/kg. Mild eye irritant; non-irritant to skin (rabbits). Not a skin sensitiser (guinea pigs).Inhalation LC50 (4 h) 0.06 mg/l air (total particulate). Birds Acute oral LD50 for mallard ducks >3950 mg/kg. Dietary LC50 for quail >5300 mg/kg. Fish LC50 (96 h) for bluegill sunfish 0.21, rainbow trout 0.36mg/l.Daphnia EC50 (48 h) 0.36mg/l.Bees LD50 (oral) 38 ng/bee; (contact) 909 ng/bee.Worms LC50 for Eisenia foetida >1000 mg/kg soil.

Specification：97%TC