*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XI3675000
CHEMICAL NAME           : 1,3,4-Thiadiazole, 2,5-bis(4-pyridyl)-
CAS REGISTRY NUMBER     : 54010-21-8
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C12-H10-N4-S
MOLECULAR WEIGHT        : 242.32
WISWESSER LINE NOTATION : T6NJ B- CT5NN DSJ E- BT6NJ
SYNONYMS/TRADE NAMES :
   * 2,5-Bis(4-pyridyl)-1,3,4-thiadiazole
 
                       *** 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           : 100 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 ***