*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YR0500000
CHEMICAL NAME           : Uracil, 4-hydrazino-2-thio-
CAS REGISTRY NUMBER     : 63981-09-9
LAST UPDATED            : 199012
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C4-H6-N4-S
MOLECULAR WEIGHT        : 142.20
WISWESSER LINE NOTATION : T6MYMYJ BUS DUNZ
SYNONYMS/TRADE NAMES :
   * 4-Hydrazino-2-thiouracil
   * 2-Thio-4-hydrazinouracil
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 360 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NEOLA4 Neoplasma.  (Karger-Libri, P.O. Box, CH-4009 Basel, Switzerland) V.4-
      1957-  Volume(issue)/page/year: 22,255,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 340 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NEOLA4 Neoplasma.  (Karger-Libri, P.O. Box, CH-4009 Basel, Switzerland) V.4-
      1957-  Volume(issue)/page/year: 22,255,1975
 
                            *** END OF RECORD ***