Status: ISO 1750 (published)
IUPAC: reaction product comprising equal quantities of (S)-α-cyano-3-phenoxybenzyl (Z)-(1R,3R)-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate and (R)-α-cyano-3-phenoxybenzyl (Z)-(1S,3S)-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate
or of (S)-α-cyano-3-phenoxybenzyl (Z)-(1R)-cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate and (R)-α-cyano-3-phenoxybenzyl (Z)-(1S)-cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate
CAS:91465-08-6
Formula: C23H19ClF3NO3
Activity: insecticides (pyrethroid ester insecticides)
Notes: The unresolved isomeric mixture of this substance has the ISO common name cyhalothrin.

Structure:

Cyhalothrin APPLICATIONS
Mode of action Non-systemic insecticide with contact and stomach action, and repellent properties. Gives rapid knockdown and long residual activity. Uses Control of animal ectoparasites, especially Boophilus microplus and Haematobia irritans on cattle, and Bovicola ovis, Linognathus spp. and Melophagus ovinus on sheep. Applied as an animal dip or as a spray around animal houses. Formulation types EC; WP. Selected tradenames: 'Cyhalon' (Syngenta); 'Grenade' (Syngenta)

Lambda-Cyhalothrin ANALYSIS
Product analysis of pyrethroids reviewed by E. Papadopoulou-Mourkidou in Comp. Analyt. Profiles. By hplc (A. Jacques et al., Anal. Methods Pestic. Plant Growth Regul., 1984, 13, 9). Residues determined by glc with ECD (idem, ibid.). Details available from Syngenta.

[Back]