*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ZI0350000
CHEMICAL NAME           : Zirconyl sodium sulphate
CAS REGISTRY NUMBER     : 24735-35-1
LAST UPDATED            : 199712
DATA ITEMS CITED        : 21
MOLECULAR FORMULA       : Na2-O18-S4-Zr2
MOLECULAR WEIGHT        : 644.66
WISWESSER LINE NOTATION : .ZR/.NA2.S-O4*2 O2
SYNONYMS/TRADE NAMES :
   * Disodium oxodisulfatozirconate(2-)
   * Oxobis(sulfato(2-)-O)-zirconate(2-), disodium
   * Sodium zirconium oxide sulfate
   * Sodium zirconyl sulphate
   * Zirconate(2-), oxodisulfato-, disodium
 
                       *** 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           : 10 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4100 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   AIHOAX Archives of Industrial Hygiene and Occupational Medicine.  (Chicago,
   IL)  V.1-2(3), 1950.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 1,637,1950

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 5 mg(Zr)/m3; STEL 10 mg(Zr)/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

   ACGIH TLV-Not classifiable as a human carcinogen
   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

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 5 mg(Zr)/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:
   3,285,1971

   OSHA PEL (Gen Indu):8H TWA 5 mg(Zr)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 5 mg(Zr)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Fed Cont):8H TWA 5 mg(Zr)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 5 mg(Zr)/m3;STEL 10 mg(Zr)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 5 mg(Zr)/m3;STEL 10 mg(Zr)/m3 JAN 1993
   
   OEL-DENMARK:TWA 5 mg(Zr)/m3 JAN 1993
   
   OEL-FINLAND:TWA 5 mg(Zr)/m3 JAN 1993
   
   OEL-GERMANY:TWA 5 mg(Zr)/m3 JAN 1993
   
   OEL-HUNGARY:STEL 5 mg(Zr)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 5 mg(Zr)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 5 mg(Zr)/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 5 mg(Zr)/m3 JAN 1993
   
   OEL-TURKEY:TWA 5 mg(Zr)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 mg(Zr)/m3;STEL 10 mg(Zr)/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

 
                            *** END OF RECORD ***