Title: Dichlofenthion
CAS Registry Number: 97-17-6
CAS Name: Phosphorothioic acid O-2,4-dichlorophenyl O,O-diethyl ester
Additional Names: O-2,4-dichlorophenyl O,O-diethyl phosphorothioate; O,O-diethyl O-2,4-dichlorophenyl phosphorothioate
Trademarks: VC-13 Nemacide
Molecular Formula: C10H13Cl2O3PS
Molecular Weight: 315.15
Percent Composition: C 38.11%, H 4.16%, Cl 22.50%, O 15.23%, P 9.83%, S 10.17%
Literature References: Cholinesterase inhibitor. Prepd from O,O-diethyl phosphorochloridothioate, 2,4-dichlorophenol and NaOH: Smithey, Jr., US 3004054 (1960 to Virginia-Carolina Chemical). Toxicity data: T. B. Gaines, R. E. Linder, Fundam. Appl. Toxicol. 7, 299 (1986).
Properties: Liquid, bp0.1 164-169°. nD25 1.5291. d20 1.300. Slightly sol in water; miscible with most organic solvents. LD50 in male, female rats (mg/kg): 185, 172 orally; 576, 355 dermally (Gaines, Linder).
Boiling point: bp0.1 164-169°
Index of refraction: nD25 1.5291
Density: d20 1.300
Toxicity data: LD50 in male, female rats (mg/kg): 185, 172 orally; 576, 355 dermally (Gaines, Linder)
Use: Nematocide, insecticide. |