*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OP0350000
CHEMICAL NAME           : Manganese dioxide
CAS REGISTRY NUMBER     : 1313-13-9
LAST UPDATED            : 199712
DATA ITEMS CITED        : 33
MOLECULAR FORMULA       : Mn-O2
MOLECULAR WEIGHT        : 86.94
WISWESSER LINE NOTATION :  MN  O2
COMPOUND DESCRIPTOR     : Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Black manganese oxide
   * BOG manganese
   * Braunstein
   * Bruinsteen
   * Cement Black
   * C.I. 77728
   * C.I. Pigment Black 14
   * C.I. Pigment Brown 8
   * Mangaanbioxyde
   * Mangaandioxyde
   * Mangandioxid
   * Manganese binoxide
   * Manganese (biossido di)
   * Manganese (bioxyd de)
   * Manganese Black
   * Manganese (diossido di)
   * Manganese (dioxyde de)
   * Manganese(IV) oxide
   * Manganese peroxide
   * Manganese superoxide
   * Pyrolusite Brown
 
                       *** 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           : >3478 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EVHPAZ EHP, Environmental Health Perspectives.  (U.S. Government Printing
   Office, Supt of Documents, Washington, DC 20402)  No.1-    1972-
   Volume(issue)/page/year: 10,95,1975
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intratracheal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - emphysema
   Lungs, Thorax, or Respiration - acute pulmonary edema
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 20(1),25,1955
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 422 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
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 45 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals",
   11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year:
   11,899,1989
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1800 ug/m3/24H/35D-C
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 49(12),53,1984
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 49 mg/m3/7H
SEX/DURATION            : female 75 day(s) pre-mating
                          female 1-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
   Reproductive - Effects on Newborn - behavioral
REFERENCE :
   FEPRA7 Federation Proceedings, Federation of American Societies for
   Experimental Biology. (Bethesda, MD)  V.1-46, 1942-87.
   Volume(issue)/page/year: 39,623,1980

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.2 mg(Mn)/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

   TOXICOLOGY REVIEW
   AMRL** Aerospace Medical Research Laboratory Report.  (Aerospace Technical
   Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
   Volume(issue)/page/year: TR-73-125,1973

   TOXICOLOGY REVIEW
   85DHAX "Medical and Biologic Effects of Environmental Pollutants Series,"
   Washington, DC, National Academy of Sciences, 1972-77
   Volume(issue)/page/year: Mn,1,1973

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:CL 5 mg(Mn)/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:
   3,149,1971

   OSHA PEL (Gen Indu):CL 5 mg(Mn)/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):CL 5 mg(Mn)/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):CL 5 mg(Mn)/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):CL 5 mg(Mn)/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(Mn)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 5 mg(Mn)/m3 JAN 1993
   
   OEL-DENMARK:TWA 2.5 mg(Mn)/m3 JAN 1993
   
   OEL-FINLAND:TWA 2.5 mg(Mn)/m3 JAN 1993
   
   OEL-HUNGARY:TWA 0.3 mg(Mn)/m3;STEL 0.6 mg(Mn)/m3 JAN 1993
   
   OEL-JAPAN:TWA 0.3 mg(Mn)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 1 mg(Mn)/m3 JAN 1993
   
   OEL-POLAND:TWA 0.3 mg(Mn)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 1 mg(Mn)/m3;STEL 2.5 mg(Mn)/m3  (resp. dust) JAN 1993
   
   OEL-SWEDEN:TWA 2.5 mg(Mn)/m3;STEL 5 mg(Mn)/m3  (total dust) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 10 mg/m3 (total dust) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 mg(Mn)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 mg/m3 (fume and respirable dust) JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 44030
       No. of Facilities: 3820 (estimated)
       No. of Industries: 48
       No. of Occupations: 60
       No. of Employees: 53685 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 44030
       No. of Facilities: 3347 (estimated)
       No. of Industries: 41
       No. of Occupations: 50
       No. of Employees: 71963 (estimated)
       No. of Female Employees: 15526 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***