*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XO6900000
CHEMICAL NAME           : Thorium(IV) nitrate, mixed with trisodium citrate
CAS REGISTRY NUMBER     : 63870-17-7
LAST UPDATED            : 199707
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C6-H8-O7.H-N-O3.3Na.1/4Th
WISWESSER LINE NOTATION : .TH..N-O3*4 &OV1XQVO&1VO &-NA- 3
SYNONYMS/TRADE NAMES :
   * Nitric acid, thorium(4+) salt, mixed with citric acid, trisodium salt
   * 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium, mixt. with  
   thorium(4+) tetranitrate
 
                       *** 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           : 68 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Blood - hemorrhage
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
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: 94,1,1948
 
                            *** END OF RECORD ***