*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : QA4688000
CHEMICAL NAME           : Molybdenum oxide
CAS REGISTRY NUMBER     : 18868-43-4
LAST UPDATED            : 199712
DATA ITEMS CITED        : 37
MOLECULAR FORMULA       : Mo-O2
MOLECULAR WEIGHT        : 127.94
SYNONYMS/TRADE NAMES :
   * Molybdenum dioxide
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 318 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ZVKOA6 Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva.
   Journal of the D.I. Mendeleeva All-Union Chemical Society.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.5-    1960-
   Volume(issue)/page/year: 19,186,1974

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 10 mg(Mo)/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

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 5 mg(Mo)/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:
   3,173,1971

   OSHA PEL (Gen Indu):8H TWA 15 mg(Mo)/m3, total dust
   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 (Gen Indu):8H TWA 5 mg(Mo)/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 15 mg(Mo)/m3, total dust
   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 (Construc):8H TWA 5 mg(Mo)/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 15 mg(Mo)/m3, total dust
   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 (Shipyard):8H TWA 5 mg(Mo)/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 15 mg(Mo)/m3, total dust
   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

   OSHA PEL (Fed Cont):8H TWA 5 mg(Mo)/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 10 mg(Mo)/m3 JAN 1993
   
   OEL-AUSTRALIA:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 10 mg(Mo)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-DENMARK:TWA 10 mg(Mo)/m3 JAN 1993
   
   OEL-DENMARK:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-FINLAND:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-FRANCE:TWA 5 mg(Mo)/m3;STEL 10 mg(Mo)/m3 JAN 1993
   
   OEL-GERMANY:TWA 15 mg(Mo)/m3 JAN 1993
   
   OEL-GERMANY:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 10 mg(Mo)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 15 mg(Mo)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 10 mg(Mo)/m3 (total dust) JAN 1993
   
   OEL-SWEDEN:TWA 5 mg(Mo)/m3 (resp. dust) JAN 1993
   
   OEL-SWITZERLAND:TWA 10 mg(Mo)/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-TURKEY:TWA 15 mg(Mo)/m3 JAN 1993
   
   OEL-TURKEY:TWA 5 mg(Mo)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 10 mg(Mo)/m3;STEL 20 mg(Mo)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 mg(Mo)/m3;STEL 10 mg/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
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***