*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : NI4375000
CHEMICAL NAME           : Imidazole-5-carboxylic acid, 1-methyl-2-mercapto-
CAS REGISTRY NUMBER     : 64038-57-9
BEILSTEIN REFERENCE NO. : 0130889
REFERENCE               : 4-25-00-01557 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C5-H6-N2-O2-S
MOLECULAR WEIGHT        : 158.19
WISWESSER LINE NOTATION : T5N CNJ A1 BSH EVQ
SYNONYMS/TRADE NAMES :
   * 1-Methyl-2-mercapto-5-imidazole carboxylic acid
   * USAF EL-97
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD277-689

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X1630
       No. of Facilities: 208 (estimated)
       No. of Industries: 5
       No. of Occupations: 7
       No. of Employees: 771 (estimated)
       No. of Female Employees: 281 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***