- Molecular formula:
- Chemical compound:
- manganese(IV) dioxide
- Common name:
MnO2 – manganese(IV) oxide – is a dark brown powder, insoluble in water. It is the most stable compound of manganese, and is widespread in the earth's crust as a mineral known as pyrolusite. Manganese(IV) oxide is primarily utilized as a component of dry cell batteries and zinc–carbon batteries, where it is mixed with graphite to make cathodes. It is also used as an inorganic pigment in ceramics and glassmaking.
Experiments with similar reagents
- Harmful if swallowed.
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