Title: Chlorethoxyfos
CAS Registry Number: 54593-83-8
CAS Name: Phosphorothioic acid O,O-diethyl O-(1,2,2,2-tetrachloroethyl) ester
Additional Names: O,O-diethyl O-(1,2,2,2-tetrachloroethyl)thionophosphate
Manufacturers' Codes: DPX-43898; SD-208304
Trademarks: Fortress (Amvac)
Molecular Formula: C6H11Cl4O3PS
Molecular Weight: 336.00
Percent Composition: C 21.45%, H 3.30%, Cl 42.21%, O 14.29%, P 9.22%, S 9.54%
Literature References: Soil insecticide for use in corn. Prepn: M. Schnell et al., DD 107581 (1974); eidem, J. Prakt. Chem. 319, 723 (1977). Physical properties and field trials: I. A. Watkinson, D. W. Sherrod, Brit. Crop Prot. Conf. - Pests Dis. 1986, 107. Persistence in soil: R. A. Chapman et al., J. Environ Sci. Health B28, 151 (1993). Assessment of volatility losses from soil: B. W. Fuller et al., J. Agric. Entomol. 14, 399 (1997). Field trials for control of corn rootworm: eidem, J. Econ. Entomol. 90, 1332 (1997).
Properties: Colorless liquid, bp0.05 torr 80°. nD25 1.4980. d420 1.464. Also reported as white, crystalline, powder (Watkinson). Soly in water < 1 mg/l. Sol in hexane, ethanol, xylene, acetonitrile, chloroform. Vapor pressure at 20°: 8 ´ 10-4 mm Hg. LD50 in rats, mice (mg/kg): 1-10, 20-50 orally; in rabbits (mg/kg): 20-200 dermally (Watkinson).
Boiling point: bp0.05 torr 80°
Index of refraction: nD25 1.4980
Density: d420 1.464
Toxicity data: LD50 in rats, mice (mg/kg): 1-10, 20-50 orally; in rabbits (mg/kg): 20-200 dermally (Watkinson)
Use: Insecticide.

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