*** 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 ***