*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ8455500
CHEMICAL NAME           : 3,5-Pyrazolidinedione, 1,4-diphenyl-
CAS REGISTRY NUMBER     : 3426-01-5
LAST UPDATED            : 199712
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C15-H11-N2-O2
MOLECULAR WEIGHT        : 251.28
WISWESSER LINE NOTATION : T5VMNV EHJ CR& ER
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Diphenox
   * 1,4-Diphenyl-3,5-dioxo-pyrazolidin
   * 1,4-Diphenyl-3,5-pyrazolidinedione
   * DPHP
   * Kr 122
   * Phenopyrazone
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >3200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKKZAJ Yakugaku Zasshi.  Journal of Pharmacy.  (Nippon Yakugakkai, 2-12-15
   Shibuya, Shibuya-ku, Tokyo 150, Japan)  No.1-    1881-
   Volume(issue)/page/year: 98,679,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1003 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 4,249,1954
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 740 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und
   Pharmakologie.  (Berlin, Ger.) V.110-253, 1925-66.  For publisher
   information, see NSAPCC.  Volume(issue)/page/year: 233,365,1958
 
                            *** END OF RECORD ***