*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DE1176050 CHEMICAL NAME : 2H-Benzimidazole-2-thione, 1,3-dihydro-4(or 5)-methyl- CAS REGISTRY NUMBER : 53988-10-6 LAST UPDATED : 199709 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C8-H8-N2-S MOLECULAR WEIGHT : 164.24 SYNONYMS/TRADE NAMES : * Nocrac MMB * 2-Mercapto-4(or 5)-methylbenzimidazole * Methylmercaptobenzimidazole * Vanox MTI * Vulkanox MB 2 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 340 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) REFERENCE : ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 15(Suppl 1),S65,1996 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***