Manganese dioxide

Manganese dioxide, also known as manganese(IV) oxide, is a chemical compound of manganese and oxygen. It contains manganese in the +4 oxidation state. Its chemical formula is MnO2. It is black and powdery. It is used as a depolarizer in alkaline batteries and Leclanche batteries. It is found naturally as the mineral pyrolusite.

Related pages
Manganese(II) oxide
Permanganate
Battery

References

Category:Manganese compounds
Category:Oxides