M

Manganese dioxide

IUPAC: dioxomanganese

MnO2 Inorganic Compounds CAS 1313-13-9
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Quick Reference
Formula / NotationMnO2
CAS Number1313-13-9
Molecular Weight86.937
Density5.0 g/cm³
SolubilitySolubility in water: none
AppearancePellets or Large Crystals, Other Solid; Dry Powder, Pellets or Large Crystals; Other Solid; Dry Powder; Water or Solvent Wet Solid
Also Known Asdioxomanganese; Manganese peroxide; Manganese binoxide; Mangandioxid; Manganese superoxide; Manganese Black; Black manganese oxide; Cement Black; BOG manganese; Pyrolusite Brown
CategoryInorganic Compounds

What is Manganese dioxide?

Manganese dioxide is a manganese molecular entity with formula MnO2. It is a metal oxide and a manganese molecular entity.

Formula & Notation

MnO2

IUPAC Name: dioxomanganese

Other Names / Synonyms: dioxomanganese; Manganese peroxide; Manganese binoxide; Mangandioxid; Manganese superoxide; Manganese Black; Black manganese oxide; Cement Black; BOG manganese; Pyrolusite Brown

Properties & Characteristics

Appearance: Pellets or Large Crystals, Other Solid; Dry Powder, Pellets or Large Crystals; Other Solid; Dry Powder; Water or Solvent Wet Solid. Molecular formula: MnO2. Molecular weight: 86.937 g/mol. Density: 5.0 g/cm³. Solubility: Solubility in water: none.

Physical Data

PropertyValue
Density5.0 g/cm³
Molecular Weight86.937
SolubilitySolubility in water: none
AppearancePellets or Large Crystals, Other Solid; Dry Powder, Pellets or Large Crystals; Other Solid; Dry Powder; Water or Solvent Wet Solid

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Manganese dioxide
Formula MnO2
CAS Number 1313-13-9
Molecular Weight 86.937
Synonyms dioxomanganese; Manganese peroxide; Manganese binoxide; Mangandioxid; Manganese superoxide; Manganese Black; Black manganese oxide; Cement Black; BOG manganese; Pyrolusite Brown

Frequently Asked Questions

Manganese dioxide is a manganese molecular entity with formula MnO2. It is a metal oxide and a manganese molecular entity.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.