Manganese(IV) oxide
Compounds
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Manganese dioxide is the inorganic compound with the formula MnO
₂. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules. Wikipedia
Formula: MnO₂
IUPAC ID: Manganese oxide and Manganese(IV) oxide
Molar mass: 86.9368 g/mol
Appearance: Brown-black solid
Solubility in water: Insoluble
Density: 5.03 g/cm³
Crystal structure: Tetragonal, tP6, No. 136