*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XZ6156500
CHEMICAL NAME           : s-Triazolo(1,5-a)pyrimidin-5(4H)-one, 7-amino-
CAS REGISTRY NUMBER     : 35186-69-7
LAST UPDATED            : 197901
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C5-H5-N5-O
MOLECULAR WEIGHT        : 151.15
SYNONYMS/TRADE NAMES :
   * 7-Amino-s-triazolo(1,5-a)pyrimidin-5(4H)-one
   * 4,5-Dihydro-7-amino-5-oxo-s-triazolo(1,5-a)pyrimidine
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 180 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
   Laboratory, NIOSH Exchange Chemicals.  (Aberdeen Proving Ground, MD 21010)
   Volume(issue)/page/year: NX#04058
 
                            *** END OF RECORD ***