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933791

Sigma-Aldrich

Manganese(III) oxide

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nanopowder, 30 nm avg. part. size, ≥99% trace metals basis

Synonym(s):

Dimanganese trioxide nanopowder, Mn2O3 nano powder, Manganese sesquioxide

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About This Item

Linear Formula:
Mn2O3
CAS Number:
Molecular Weight:
157.87
MDL number:
UNSPSC Code:
12352303
NACRES:
NA.21

Quality Level

Assay

≥99% trace metals basis

form

nanopowder

composition

Mn2O3

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Design for Energy Efficiency
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sustainability

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avg. part. size

30 nm

particle size

30 nm

density

4.5 g/mL at 25 °C (lit.)

bulk density

0.35 g/cm3

application(s)

battery manufacturing

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SMILES string

O=[Mn]O[Mn]=O

InChI

1S/2Mn.3O

InChI key

GEYXPJBPASPPLI-UHFFFAOYSA-N

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General description

Our manganese(III) oxide, Mn2O3, nanopowder is a high-quality material that is dark brown in color, with a particle size of less than 30 nm and surface area of 150 m2/g. With a purity level of over 99%, it is a highly pure and reliable option for researchers looking to explore new avenues in material development.
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Application

Manganese(III) oxide nanopowder is a versatile material that can be used in a variety of applications. Because the redox activity of Mn2O3 enables it to undergo electron transfer reactions with other molecules, it is a popular choice as a catalyst in organic synthesis reactions. For example, Mn2O3 nanopowder has been found to exhibit excellent catalytic activity and selectivity in many reactions, including the oxidation of alcohols, the oxidative coupling of methane, and the production of syngas. Mn2O3 has also been studied as a potential catalyst in the conversion of biomass into biofuels.
Manganese(III) oxide (Mn2O3) nanopowder has been studied as a potential electrode material for supercapacitors due to its high specific capacitance and good cycling stability. Mn2O3 nanopowder has a high theoretical specific capacitance of ~1018 mAh/g, which is much higher than that of activated carbon and many other commonly used electrode materials for supercapacitors. Additionally, Mn2O3 nanopowder is commonly used in the production of cathode materials in lithium-ion batteries and magnetic materials, such as magnetic nanoparticles and magnetic fluids. Lastly, its dark brown color makes it a popular choice for use as a pigment in paints and coatings.
Precursor to LiMn2O4. A useful battery cathode.

Features and Benefits

  • High Purity and Reliability - With a purity level of over 99%, our Mn2O3 nanopowder provides industry materials scientists with a highly pure and reliable option for material development.
  • Wide Range of Applications: Our Mn2O3 nanopowder is suitable for use in a wide range of applications, from catalysts to supercapacitors to coatings.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Beaded manganese oxide (Mn2O3) nanofibers: preparation and application for capacitive energy storage
Kolathodi M S, et al.
Journal of Material Chemistry A, 4, 7883-7891 (2016)
Zuzanna Sobańska et al.
Nanomaterials (Basel, Switzerland), 11(5), 1084-1084 (2021-05-01)
The expanding applications of nanotechnology seem to be a response to many technological, environmental, and medical challenges. The unique properties of nanoparticles allow for developing new technologies and therapies. Among many investigated compounds is manganese and its oxides, which in

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