Melting point :1244 °C (lit.)
Boiling point :1962 °C (lit.)
Density :7.3 g/mL at 25 °C (lit.)
vapor pressure :0-0Pa at 20℃
Flash point :450℃
storage temp. :no restrictions.
solubility :H₂O: soluble
form :Powder
color :Gray-brown to brown-black
Specific Gravity :7.2
PH :<1 (H2O, 20°C)
Flame Color :Yellowish green
Resistivity :185 μΩ-cm, 20°C
Water Solubility :Soluble in diluted acids. Insoluble in water.
Electrical Conductivity :620000 S/m
Thermal Conductivity :7.7 W/(m·K)
Specific Heat Capacity :Cp(crystal): 0.48 J/(g·K); Cp(gas): 0.38 J/(g·K), at 25℃
Merck :13,5745
Exposure limits :ACGIH:TLV-TWA 0.02 mg/m3,as Mn,Respirable particulate matter
OSHA:PEL-Ceiling 5 mg/m3
NIOSH:REL-TWA 1 mg/m3; REL-STEL 3 mg/m3 Stability :Stable. Incompatible with water, strong oxidizing agents, strong acids, phosphorus.
InChI :1S/Mn
InChIKey :PWHULOQIROXLJO-UHFFFAOYSA-N
SMILES :[Mn]
Bulk Modulus :92.6 GPa
Hardness, Vickers :500
Modulus of Elasticity :159 GPa
Poissons Ratio :0.35
Shear Modulus :76.4 GPa
Hardness, Brinell :460, Converted from Vickers for 3000 kg load/10 mm ball Brinell test.
Hardness, Rockwell A :75, Converted from Vickers.
Hardness, Rockwell C :48, Converted from Vickers.
CAS DataBase Reference :7439-96-5(CAS DataBase Reference)
NIST Chemistry Reference :Manganese(7439-96-5)
EPA Substance Registry System :Manganese (7439-96-5)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H228 Flammable solid Flammable solids Category 1 Category 2 Danger Warning P210, P240,P241, P280, P370+P378
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P370+P378 In case of fire: Use … for extinction.