*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : FK9400000
CHEMICAL NAME           : Cesium carbonate
CAS REGISTRY NUMBER     : 534-17-8
LAST UPDATED            : 199709
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C-O3.2Cs
MOLECULAR WEIGHT        : 325.83
WISWESSER LINE NOTATION : .CS2.C-O3
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * Carbonic acid, dicesium salt
   * Cesium carbonate (Cs2CO3)
   * Dicesium carbonate
 
                       *** 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           : 2333 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   VAMNAQ Vestnik Akademii Meditsinskikh Nauk SSSR.  Journal of the Academy of
   Medical Sciences of the USSR.  (V/O Mezhdunarodnaya Kniga, 113095 Moscow,
   USSR)  V.1-    1946-  Volume(issue)/page/year: (8),10,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2170 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   VAMNAQ Vestnik Akademii Meditsinskikh Nauk SSSR.  Journal of the Academy of
   Medical Sciences of the USSR.  (V/O Mezhdunarodnaya Kniga, 113095 Moscow,
   USSR)  V.1-    1946-  Volume(issue)/page/year: (8),10,1978
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 5 mol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 77,109,1980

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***