English| français| español| Portuguese| Russian| Deutsch| Arabic| Indonesian| Turkish| Vietnamese| Italian

Kai bei Logo
Contact Us

Please feel free to give your inquiry in the form below.We will reply you in 24 hours.

Home » Products » Insecticide
  • Lambda-cyhalothrin(CAS RN 91465-08-6)

Lambda-cyhalothrin(CAS RN 91465-08-6)

  • Description:
  • Lambda Cyhalothrin content:

    Min. 95%.


    White to likeness white crystal powder.


    Max. 0.3%.

    Acidity (as H2SO4) :

    Max. 0.3%.

    Insoluble substance in acetone:

    Max. 0.5%.

  • Description

Common name: Lambda-cyhalothrin; Lambda-cyhalothrine
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
CAS RN: [91465-08-6]

Composition: Tech. grade is c. 95% pure. Mol. wt.: 449.9; M.f.: C23H19ClF3NO3; Form: Colourless solid; (tech. is a white to likeness white crystal powder). M.p.: 49.2 ºC; (tech., 47.5-48.5 ºC). B.p.: Does not boil at atmospheric pressure. V.p.: 2x10-4 mPa (20 ºC, est.); 2x10-1 mPa (60 ºC, interpolated). KOW: logP = 7 (20 ºC). Henry: 2x10-2 Pa m3 mol-1 S.g./density: 1.33 g/ml (25 ºC). Solubility: In water 0.005 mg/l (20 °C). 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 ºC. pKa: >9 (hydrolysis prevents measurement). F.p.: 185 °C (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.
Formulation types: 95%TC 2.5%,5%EC 10%WP