Properties of Manganese (Mn)

Manganese is a chemical element with the symbol (Mn) and atomic number 25. It is a transition metal with a grayish-white appearance and is similar to iron in many ways. Manganese is an essential trace element for living organisms, playing a crucial role in various biological processes.

The following table provides a comprehensive list of manganese (Mn) properties in both SI and US customary/Imperial units at normal temperature and pressure (NTP).

Click on the icon to switch between Metric and Imperial units.

Table of Manganese Properties
Physical Properties
Metric
Crystal StructureCubic
Atomic Number25
Molar Mass54.938 g/mol
Density7300 kg/m3
Mechanical PropertiesMetric
Young’s Modulus (E)191 GPa
Shear Modulus (G)79.5 GPa
Bulk Modulus (K)139.7 GPa
Poisson’s Ratio (ν)0.24
Mohs Hardness6
Thermal PropertiesMetric
Melting Point1246 °C
Boiling Point2061 °C
Thermal Conductivity (27°C)7.82 W/m·K
Specific Heat Capacity (Cp) (25°C)479 J/kg·K
Coefficient of Thermal Expansion (αL) (25°C)2.17×10-5 1/°C
Electrical PropertiesMetric
Electrical Resistivity1.44×10-4 Ω·cm

Unless stated otherwise, all values are taken at room temperature (approximately 20°C or 68°F) and 1 atm pressure. (1 atm = 101,325 Pa)

References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) A.M. Howatson, P.G. Lun, J.D. Todd, P.D. Engineering Tables and Data. United Kingdom: University of Oxford, Department of Engineering Science, 2009.