*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ9650000
CHEMICAL NAME           : 2-Pyrazolin-5-one, 3-methyl-4-phenylhydrazino-
CAS REGISTRY NUMBER     : 74037-30-2
LAST UPDATED            : 197901
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C10-H12-N4-O
MOLECULAR WEIGHT        : 204.26
WISWESSER LINE NOTATION : T5NMV DHJ DMMR& E1
SYNONYMS/TRADE NAMES :
   * 3-Methyl-4-phenylhydrazino-2-pyrazolin-5-one
 
                       *** 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#04912
 
                            *** END OF RECORD ***