*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XI4550000
CHEMICAL NAME           : 1,3,4-Thiadiazole-2-thiol, 5-amino-
CAS REGISTRY NUMBER     : 2349-67-9
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C2-H3-N3-S2
MOLECULAR WEIGHT        : 133.20
WISWESSER LINE NOTATION : T5NN DSJ CZ ESH
SYNONYMS/TRADE NAMES :
   * 2-Amino-5-mercapto-1,3,4-thiadiazole
   * 5-Amino-2-mercapto-1,3,4-thiadiazole
   * 2-Amino-1,3,4-thiadiazole-5-thiol
   * 5-Amino-1,3,4-thiadiazole-2-thiol
   * 2-Amino-delta(2)-1,3,4-thiadiazoline-5-thione
   * 5-Amino-1,3,4-thiadiazoline-2-thione
   * 5-Amino-1,3,4-thiadiazole-2(3H)-thione
   * NSC 21402
   * 2-Mercapto-5-amino-1,3,4-thiadiazole
   * 1,3,4-Thiadiazole-2(3H)-thione, 5-amino-
   * 2-Thiol-5-amino-1,3,4-thiadiazole
   * USAF PD-25
 
                       *** 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           : 250 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: AD691-490

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

 
                            *** END OF RECORD ***