Chemical properties
- Formula:
MnO2cap M n cap O sub 2
𝑀𝑛𝑂2
- Molar mass: Approximately
86.9486.94
86.94
g/mol
- Density:
5.035.03
5.03
g/cm³
- Melting point:
535535
535
°C, at which point it decomposes
- Appearance: Brown-black solid
- Solubility: Insoluble in water
Common uses
- Batteries: Acts as the cathode material in dry cell batteries.
- Chemical synthesis: Used as a mild oxidizing agent, particularly for the selective oxidation of alcohols.
- Catalyst: Speeds up the decomposition of hydrogen peroxide.
- Pigment: Used in glass and ceramics.
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