*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ9680000
CHEMICAL NAME           : 2-Pyrazolin-5-one, 3-methyl-1-p-tolyl-
CAS REGISTRY NUMBER     : 86-92-0
BEILSTEIN REFERENCE NO. : 0610651
LAST UPDATED            : 199709
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C11-H12-N2-O
MOLECULAR WEIGHT        : 188.25
WISWESSER LINE NOTATION : T5NNV DHJ BR D1& E1
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 3-Methyl-1-p-tolyl-pyrazolin-5-one
   * 2-Pyrazolin-5-one, 3-methyl-1-(4-methylphenyl)-
   * 1-(p-Tolyl)-3-methylpyrazolone-5
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 7450 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Skin and Appendages - hair
REFERENCE :
   LONZA# Personal Communication from LONZA Ltd., CH-4002, Basel, Switzerland
   Volume(issue)/page/year: 26APR1982

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

 
                            *** END OF RECORD ***