13-06188. Mexacarbate [Archived]

Nomenclature

CAS number: 315-18-4
4-(Dimethylamino)-3,5-dimethylphenol methylcarbamate (ester); methylcarbamic acid 4-(dimethylamino)-3,5-xylyl ester; 4-dimethylamino-3,5-xylyl methylcarbamate; Zectran.
C12H18N2O2; mol wt 222.28.
C 64.84%, H 8.16%, N 12.60%, O 14.40%.

Description and 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).

Chemical structure

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).

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.