*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GE8350000
CHEMICAL NAME           : Citric acid, yttrium salt (3:1)
CAS REGISTRY NUMBER     : 63938-20-5
LAST UPDATED            : 199712
DATA ITEMS CITED        : 15
MOLECULAR FORMULA       : C6-H8-O7.1/3Y
MOLECULAR WEIGHT        : 221.75
SYNONYMS/TRADE NAMES :
   * Yttrium citrate
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 79 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AEHLAU Archives of Environmental Health.  (Heldref Pub., 4000 Albemarle St.,
   NW, Washington, DC 20016)  V.1-    1960-  Volume(issue)/page/year:
   5,437,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 44 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Liver - fatty liver degeneration
   Liver - other changes
REFERENCE :
   AEHLAU Archives of Environmental Health.  (Heldref Pub., 4000 Albemarle St.,
   NW, Washington, DC 20016)  V.1-    1960-  Volume(issue)/page/year:
   5,437,1962

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 1 mg(Y)/m3
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-DENMARK:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-FINLAND:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-FRANCE:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-GERMANY:TWA 5 mg(Y)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 5 ppm (25 mg(Y)/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 1 mg(Y)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 1 mg(Y)/m3;STEL 3 mg(Y)/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

 
                            *** END OF RECORD ***