Manganese (III) Oxide Nanopowder

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Catalog Number

ACM1317346-2

Chemical Name

CAS

1317-34-6

Category

Oxides Nanoparticles

Structure

IUPAC Name

oxo(oxomanganiooxy)manganese

Molecular Weight

157.8743 g/mol

Molecular Formula

Mn2O3

Canonical SMILES

O=[Mn]O[Mn]=O

InChI

InChI=1S/2Mn.3O

InChIKey

GEYXPJBPASPPLI-UHFFFAOYSA-N

Melting Point

888 °C

Purity

99.9%

Density

4.5 g/cm³

Solubility

Insoluble in water, Alcohol

Application

Manganese(III) oxide nanopowder, characterized by its black, lustrous appearance that may have a brown tint, plays a significant role in various applications due to its unique properties. This noncombustible material, known for its hardness and ability to decompose at 1080°C, is insoluble in water but reacts with cold hydrochloric acid. Manganese(III) oxide is predominantly obtained by heating manganese(IV) oxide or manganese(II) salts in air at 800°C, a process that mimics its natural occurrence as braunite and manganite minerals. The crystal lattice structure consisting of Mn3+ and O2- ions allows it to undergo disproportionation in concentrated alkalis, yielding manganese(II) and manganese(IV) ions. Its ability to react with dilute acids to form manganese(III) salts makes it invaluable in the production of ceramic magnets and semiconductors. Additionally, it serves as an essential precursor to lithium manganese oxide and functions effectively as a battery cathode, highlighting its versatility and importance in advanced technological applications.

Average Particle Size

30nm

Color Form

Brownish - Black

EC Number

215-264-4

Exact Mass

157.86083g/mol

Form

Powder

Monoisotopic Mass

157.86083g/mol