*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR6375000
CHEMICAL NAME           : 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-
CAS REGISTRY NUMBER     : 5157-08-4
LAST UPDATED            : 197901
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C5-H8-N2-O
MOLECULAR WEIGHT        : 112.15
WISWESSER LINE NOTATION : T6NMV FUTJ F1
SYNONYMS/TRADE NAMES :
   * 4,5-Dihydro-6-methyl-3(2H)-pyridazinone
 
                       *** 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           : 320 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#02409
 
                            *** END OF RECORD ***