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Manganese(IV) oxide, Manganese dioxide, 99.0+%
CAS Number: 1313-13-9
Linear Formula: MnO2
Molecular Weight: 86.94
IUPAC Name: Manganese(IV) oxide
Other Names: Pyrolusite, hyperoxide of manganese, black oxide of manganese, manganic oxide
CAS Number:
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Manganese(IV) oxide is the inorganic compound with the formula MnO2. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules.
The principal use for MnO2 is for dry-cell battaries, such as the alkaline battery and the zinc-carbon battery.
MnO2 is also used as a pigment and as a precursor to other manganese compounds, such as KMnO4.
It is used as a reagent in organic synthesis, for example, for the oxidation of allylic alcohols.
