Title: EPTC
CAS Registry Number: 759-94-4
CAS Name: Dipropylcarbamothioic acid S-ethyl ester
Additional Names: dipropylthiocarbamic acid S-ethyl ester; S-ethyl dipropylthiocarbamate
Manufacturers' Codes: R-1608; FDA-1541
Trademarks: Eptam (Syngenta)
Molecular Formula: C9H19NOS
Molecular Weight: 189.32
Percent Composition: C 57.10%, H 10.12%, N 7.40%, O 8.45%, S 16.94%
Literature References: Selective pre-planting herbicide. Prepn: GB 808753; H. Tilles, J. Antognini, US 2913327 (both 1959 to Stauffer). Activity: J. Antognini et al., Proc. Northeast. States Weed Control Conf. 1957, 3. Metabolism: V. Y. Ong, S. C. Fang, Toxicol. Appl. Pharmacol. 17, 418 (1970); J. P. Hubbell, J. E. Casida, J. Agric. Food Chem. 25, 404 (1977).
Properties: Liquid, bp20 127°. d30 0.9546; nD30 1.4750. Vapor pressure at 35°: 3.4´10-2 mm Hg. Soly in water at 20°: 365 mg/l. Miscible with benzene, alc, toluene, xylene. LD50 orally in rats: 1631 mg/kg (Antognini).
Boiling point: bp20 127°
Index of refraction: nD30 1.4750
Density: d30 0.9546
Toxicity data: LD50 orally in rats: 1631 mg/kg (Antognini)
Use: Herbicide. |