*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ZH7525000
CHEMICAL NAME           : Zirconium, dichloro-di-pi-cyclopentadienyl-
CAS REGISTRY NUMBER     : 1291-32-3
LAST UPDATED            : 199712
DATA ITEMS CITED        : 23
MOLECULAR FORMULA       : C10-H10-Cl2-Zr
MOLECULAR WEIGHT        : 292.32
WISWESSER LINE NOTATION : L50J 0-ZR-GG- 0L50J
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * Zirconocene, dichloride
 
                       *** 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           : 30 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
   National Cancer Institute by The Institute of Chemical Biology, University
   of San Francisco.  (San Francisco, CA 94117)  Volume(issue)/page/year:
   PH43-64-886
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 333 ug/plate
REFERENCE :
   EMMUEG Environmental and Molecular Mutagenesis.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.10-    1987-  Volume(issue)/page/year:
   11(Suppl 12),1,1988

                              *** 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 (Shipyard):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:
   29,1915.1000,1993

   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

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***