*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ8967000
CHEMICAL NAME           : 2-Pyrazolin-5-one,
                          4-anilinomethylene-3-methyl-1-phenyl-
CAS REGISTRY NUMBER     : 4173-73-3
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C17-H15-N3-O
MOLECULAR WEIGHT        : 277.35
WISWESSER LINE NOTATION : T5NNVYJ BR& DU1MR& E1
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4-Anilinomethylene-3-methyl-1-phenyl-2-pyrazolin-5-one
 
                       *** 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           : 260 mg/kg
TOXIC EFFECTS :
   Behavioral - analgesia
   Biochemical - Metabolism (Intermediary) - effect on inflammation or
   mediation of inflammation
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 19,1721,1969

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

 
                            *** END OF RECORD ***