Manganese Oxide (Mn2O3) Nanoparticles - Properties, Applications

Researchers are constantly exploring ways to customize nanoparticles to suit various applications across multiple domains such as cosmetics, optical components, biology, physics, chemistry, pharmaceutical drug manufacture, polymer science, toxicology, and mechanical engineering.

This article discusses the properties and applications of manganese oxide nanoparticles. Manganese is a Block D, Period 4 element, while oxygen is a Block P, Period 2 element.

The morphology of manganese oxide nanoparticles is high surface area, and they appear in a solid green powder form. They are graded as an irritant and can cause skin, eyes and breathing irritations.

Chemical Properties

The chemical properties of manganese oxide nanoparticles are outlined in the following table.

Chemical Data
Chemical symbol Mn2O3
CAS No. 1317-34-6
Group Manganese 7
Oxygen 16
Electronic configuration Manganese [Ar] 3d54s2
Oxygen [He] 2s2 2p4
Chemical Composition
Element Content (%)
Manganese 69.58
Oxygen 30.38

Physical Properties

The physical properties of manganese oxide nanoparticles are given in the following table.

Properties Metric Imperial
Density 4.5 g/cm3 0.162 lb/in3
Molar mass 157.87 g/mol -

Thermal Properties

The thermal properties of manganese oxide nanoparticles are provided in the table below.

Properties Metric Imperial
Melting point 940°C 1724°F


The key applications of manganese oxide nanoparticles are as follows:

  • To absorb radionucleotides
  • As a magnetic nanoparticles for magnetic data storage and magnetic resonance imaging (MRI)
  • In biosensors
  • In coatings, plastics, nanowires, nanofibers, and textiles
  • In specific biogenic and bioscience applications.

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