Methiocarb
Title: Methiocarb
CAS Registry Number: 2032-65-7
CAS Name: 3,5-Dimethyl-4-(methylthio)phenol methylcarbamate
Additional Names: methylcarbamic acid 4-(methylthio)-3,5-xylyl ester; 4-(methylthio)-3,5-xylyl methylcarbamate; 4-methylthio-3,5-dimethylphenyl N-methylcarbamate; mercaptodimethur; metmercapturon
Manufacturers' Codes: Bayer 37344; H-321
Trademarks: Draza (Bayer CropSci.); Mesurol (Bayer CropSci.)
Molecular Formula: C11H15NO2S
Molecular Weight: 225.31
Percent Composition: C 58.64%, H 6.71%, N 6.22%, O 14.20%, S 14.23%
Literature References: Prepn: E. Schegk et al., GB 912895; eidem, US 3313684 (1962, 1967 both to Bayer); E. E. Gilbert, J. A. Otto, US 3358012 (1967 to Allied). Molluscicidal activity: H. H. Crowell, J. Econ. Entomol. 60, 1048 (1967). Bird repellent properties: E.W. Schafer, R. B. Brunton, J. Wildl. Manage. 35, 569 (1971). Toxicity study: T. B. Gaines, Toxicol. Appl. Pharmacol. 14, 515 (1969).
Properties: White crystalline powder, mp 121.5°. Insol in water. Sol in organic solvents. Unstable in alk media. LD50 in male, female rats (mg/kg): 70, 60 orally (Gaines).
Melting point: mp 121.5°
Toxicity data: LD50 in male, female rats (mg/kg): 70, 60 orally (Gaines)
Use: Insecticide; molluscicide; bird repellent.

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