1344-43-0

Name MANGANESE (II) OXIDE
CAS 1344-43-0
EINECS(EC#) 215-695-8
Molecular Formula MnO
MDL Number MFCD00016226
Molecular Weight 70.94
MOL File 1344-43-0.mol
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Chemical Properties

Melting point  1650°C
density  5.45 g/mL at 25 °C(lit.)
refractive index  2.16
storage temp.  Store at room temperature, keep dry and cool
solubility  insoluble in H2O; soluble in acid solutions
form  Powder/Chunks
color  Green
Specific Gravity 5.43～5.46
Water Solubility  Soluble in hydrochloric acid. Insoluble in water.
Specific Heat Capacity Cp(crystal):0.639977J/(g·K),at 25℃
Thermal Conductivity 10.042 W/(m·K)
Crystal Structure NaCl type
crystal system Cube
Space group Fm3m
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.44360.44360.44369090900.0873
Exposure limits ACGIH: TWA 0.02 mg/m3; TWA 0.1 mg/m3
OSHA: Ceiling 5 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3
InChI 1S/Mn.O
InChIKey VASIZKWUTCETSD-UHFFFAOYSA-N
SMILES O=[Mn]
CAS DataBase Reference 1344-43-0(CAS DataBase Reference)
EPA Substance Registry System Manganese oxide (MnO) (1344-43-0)
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Safety Data

Hazard Codes  Xn
Risk Statements 
R21:Harmful in contact with skin.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany  3
RTECS  OP0900000
TSCA  Yes
REACH Registrations Active
Safety Profile
Moderately toxic by intratracheal and subcutaneous routes. Violent reaction with hydrogen peroxide, Ca(OCl)2, F2, H202. See also MANGANESE COMPOUNDS.
Hazardous Substances Data 1344-43-0(Hazardous Substances Data)

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