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1344-43-0

1344-43-0 structure
1344-43-0 structure

Name Manganese(II) oxide
Synonyms Manganese, oxo-
EINECS 215-695-8
Manganese monoxide
Oxomanganese
Manganese (II) Oxide
MFCD00016226
Density 5.43
Melting Point 1650ºC
Molecular Formula MnO
Molecular Weight 70.937
Exact Mass 70.932961
PSA 17.07000
Index of Refraction 2.16

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OP0900000
CHEMICAL NAME :
Manganese(II) oxide
CAS REGISTRY NUMBER :
1344-43-0
LAST UPDATED :
199712
DATA ITEMS CITED :
26
MOLECULAR FORMULA :
Mn-O
MOLECULAR WEIGHT :
70.94
WISWESSER LINE NOTATION :
.MN..O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Intratracheal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>50 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
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 :
1 gm/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 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Primate - monkey
DOSE/DURATION :
2 gm/kg/22W-I
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes Biochemical - Neurotransmitters or modulators (putative) - catecholamine levels in CNS Biochemical - Neurotransmitters or modulators (putative) - dopamine in striatum
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 61,46,1987 *** 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 *** 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 5 mg(Mn)/m3 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 - M1634 No. of Facilities: 132 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 976 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1634 No. of Facilities: 3555 (estimated) No. of Industries: 43 No. of Occupations: 37 No. of Employees: 60942 (estimated) No. of Female Employees: 7742 (estimated)
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn: Harmful;
Risk Phrases R21
Safety Phrases 26-36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS OP0900000
Precursor  2

DownStream  0