Title: Cyanofenphos
CAS Registry Number: 13067-93-1
CAS Name: Phenylphosphonothioic acid O-(4-cyanophenyl) O-ethyl ester
Additional Names: phenylphosphonothioic acid O-ethyl ester O-ester with p-hydroxybenzonitrile; CYP
Manufacturers' Codes: S-4087
Trademarks: Surecide (Sumitomo)
Molecular Formula: C15H14NO2PS
Molecular Weight: 303.32
Percent Composition: C 59.40%, H 4.65%, N 4.62%, O 10.55%, P 10.21%, S 10.57%
Literature References: Prepn: S. Kuramoto et al., JP 63 2870, C.A. 60, 455c (1964); GB 929738, C.A. 59, 14025a (1963) (both 1963 to Sumitomo); BE 628298, C.A. 60, 12055h (1964) (1963 to Stauffer). Insecticidal activity: S. Tamura et al., Agric. Biol. Chem. 25, 773 (1961); and toxicity study: Y. Nishizawa et al., Agric. Biol. Chem. 26, 257 (1962).
Properties: Crystalline solid, mp 83°. nD25 1.5839. Soly in water at 30°: 6 ppm. Moderately sol in ketones and aromatic solvents. Vapor press at 25°: 1.32 ´ 10-5 mm Hg. Toxic to fish and bees. LD50 in mice (mg/kg): 46 orally, 145 s.c., 45 i.p.; LD50 in male, female rats (mg/kg): 60, 28.5 orally (Nishizawa).
Melting point: mp 83°
Index of refraction: nD25 1.5839
Toxicity data: LD50 in mice (mg/kg): 46 orally, 145 s.c., 45 i.p.; LD50 in male, female rats (mg/kg): 60, 28.5 orally (Nishizawa)
Use: Insecticide.
Status: This monograph has been retired and is no longer subject to revision or update. |