*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TH9100000
CHEMICAL NAME           : Phthalazine, 1,2,3,4-tetrahydro-, hydrochloride
CAS REGISTRY NUMBER     : 60789-87-9
LAST UPDATED            : 199012
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C8-H10-N2.Cl-H
MOLECULAR WEIGHT        : 170.66
WISWESSER LINE NOTATION : T66 CMMT&J &GH
SYNONYMS/TRADE NAMES :
   * Ro 5-0994
   * 1,2,3,4-Tetrahydrophthalazine hydrochloride
 
                       *** 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           : 760 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and
   D.H. Efron, Washington, DC, 1972  Volume(issue)/page/year: -,296,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 835 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and
   D.H. Efron, Washington, DC, 1972  Volume(issue)/page/year: -,296,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 780 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and
   D.H. Efron, Washington, DC, 1972  Volume(issue)/page/year: -,296,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 380 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and
   D.H. Efron, Washington, DC, 1972  Volume(issue)/page/year: -,296,1972
 
                            *** END OF RECORD ***