CAS No 39515-40-7 , [cyano-(3-phenoxyphenyl)methyl]
2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate

Title: Cyphenothrin
CAS Registry Number: 39515-40-7
CAS Name: 2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid cyano(3-phenoxyphenyl)methyl ester
Synonyms: (RS)-a-cyano-3-phenoxybenzyl (1R)-cis,trans-chrysanthemate; a-cyano-m-phenoxybenzyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate; 3-phenoxy-a-cyanobenzylchrysanthemate
Manufacturers' Codes: S-2703; S-2703 Forte
Trademarks: Gokilaht (Sumitomo)
Molecular Formula: C24H25NO3
Molecular Weight: 375.46
Percent Composition: C 76.77%, H 6.71%, N 3.73%, O 12.78%
Literature References: Synthetic pyrethroid. Prepn: T. Matsuo et al., DE 2231312; eidem, US 3835176 (1973, 1974 to Sumitomo). Insecticidal activity: M. Elliot et al., Pestic. Sci. 13, 407 (1982); T. Matsunaga et al., Pesticide Chemistry: Human Welfare and the Environment 2, J. Miyamoto et al., Eds (Pergamon Press, Oxford, 1983) pp 231-238; T. Itoh et al., J. Am. Mosq. Control Assoc. 2, 503 (1986). Mechanism of action: T. Narahashi, Neurobehav. Toxicol. Teratol. 4, 753 (1982). Series of articles on stereoselective syntheses of labelled cis and trans forms: H. Kanamaru et al., Radioisotopes 35, 103, 109, 242 (1986).
Properties: Yellowish viscous liquid. d2525 1.083. Vapor pressure at 30°: 3.11 ′ 10-6 mm Hg. Viscosity at 30°: 808.8 cP.
Density: d2525 1.083
NOTE: Commercial product is a mixture (35:65) of cis and trans forms.
Use: Insecticide.