*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TH8850000
CHEMICAL NAME           : Phthalazine, 1,4-dihydrazino-, hydrochloride
CAS REGISTRY NUMBER     : 63868-75-7
LAST UPDATED            : 199012
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C8-H10-N6.Cl-H
MOLECULAR WEIGHT        : 226.70
WISWESSER LINE NOTATION : T66 CNNJ BMZ EMZ &GH
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * C-7441
   * Dihydralazine hydrochloride
   * 1,4-Dihydrazinophthalazine hydrochloride
 
                       *** 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           : 350 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   RPOBAR Research Progress in Organic-Biological and Medicinal Chemistry. (New
   York, NY)  V.1-3, 1964-72.  Discontinued.  Volume(issue)/page/year:
   2,283,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 270 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   RPOBAR Research Progress in Organic-Biological and Medicinal Chemistry. (New
   York, NY)  V.1-3, 1964-72.  Discontinued.  Volume(issue)/page/year:
   2,283,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 167 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   RPOBAR Research Progress in Organic-Biological and Medicinal Chemistry. (New
   York, NY)  V.1-3, 1964-72.  Discontinued.  Volume(issue)/page/year:
   2,283,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 290 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 101,368,1951
 
                            *** END OF RECORD ***