*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XI3500000
CHEMICAL NAME           : 1,3,4-Thiadiazole, 2-amino-5-methyl-
CAS REGISTRY NUMBER     : 108-33-8
LAST UPDATED            : 199504
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C3-H5-N3-S
MOLECULAR WEIGHT        : 115.17
WISWESSER LINE NOTATION : T5NN DSJ CZ E1
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 2-Amino-5-methyl-1,3,4-thiadiazole
   * 5-Methyl-1,3,4-thiadiazole-2-amine
   * 1,3,4-Thiadiazol-2-amine, 5-methyl-
   * USAF CY-3
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FRMCE8 Farmaco. (Societa Chimica Italiana, Corso Strada Nova, 86, Casella
   Postale 227, 27100 Pavia, Italy)  V.44-   1989-  Volume(issue)/page/year:
   45,223,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 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
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - quail
DOSE/DURATION           : >316 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EESADV Ecotoxicology and Environmental Safety.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802)  V.1-    1977-  Volume(issue)/page/year:
   6,149,1982

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X7009
       No. of Facilities: 4 (estimated)
       No. of Industries: 1
       No. of Occupations: 16
       No. of Employees: 1470 (estimated)

 
                            *** END OF RECORD ***