Title: Mexacarbate
CAS Registry Number: 315-18-4
CAS Name: 4-(Dimethylamino)-3,5-dimethylphenol methylcarbamate (ester)
Additional Names: methylcarbamic acid 4-(dimethylamino)-3,5-xylyl ester; 4-dimethylamino-3,5-xylyl methylcarbamate
Trademarks: Zectran
Molecular Formula: C12H18N2O2
Molecular Weight: 222.28
Percent Composition: C 64.84%, H 8.16%, N 12.60%, O 14.40%
Literature References: Outline of prepn starting with 3,5-xylenol: Marquardt in Analytical Methods for Pesticides vol. 2 (Academic Press, New York, 1964) pp 581-596. Metabolic studies: Roberts et al., J. Agric. Food Chem. 17, 107 (1969). Toxicity studies in insects: S. A. El-Aziz et al., J. Econ. Entomol. 62, 318 (1969); in birds, other wildlife: R. K. Tucker, D. G. Crabtree, ibid. 1307; R. K. Tucker, M. A. Haegel, Toxicol. Appl. Pharmacol. 20, 57 (1971); in lab animals: T. B. Gaines, ibid. 14, 515 (1969).
Properties: Crystals, mp 85°. Vapor pressure <0.1 mm at 139°. Practically insol in water (0.01% at 25°). Freely sol in acetone (162.3% w/w), acetonitrile (142% w/w), methylene chloride (120.6% w/w), ethanol (116.0% w/w), benzene (102.0% w/w). Sparingly sol in petroleum solvents (1.05% w/w). LD50 in male, female rats (mg/kg): 37, 25 orally (Gaines).
Melting point: mp 85°
Toxicity data: LD50 in male, female rats (mg/kg): 37, 25 orally (Gaines)
Use: Pesticide for use in the control of snails and slugs.
Status: This monograph has been retired and is no longer subject to revision or update. |