Editorial Feature

Molybdenum Oxide (MoO3) Nanoparticles - Properties, Applications

Nanomaterials are being adapted into a number of applications across multiple domains such as cosmetics, optical components, biology, physics, chemistry, polymer science, pharmaceutical drug manufacture, toxicology, and mechanical engineering.

This article discusses the properties and applications of molybdenum oxide nanoparticles. Molybdenum is a Block D, Period 5 element, while oxygen is a Block P, Period 2 element. Molybdenum does not occur naturally as a free metal on Earth.

Molybdenum oxide nanoparticles are graded as harmful and can affect the skin and eyes. It may also cause cancer. Molybdenum oxide nanoparticles appear in a powder form.

Chemical Properties

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

Chemical Data
Chemical symbol MoO3
CAS No. 1313-27-5
Group Molybdenum 6
Oxygen 16
Electronic configuration Molybdenum [Kr] 4d5 5s1
Oxygen [He] 2s2 2p4
Chemical Composition
Element Content (%)
Molybdenum 66.65
Oxygen 33.32

Physical Properties

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

Properties Metric Imperial
Density 4.70 g/cm3 0.170 lb/in3
Molar mass 143.94 g/mol -

Thermal Properties

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

Properties Metric Imperial
Melting point 795°C 1460°F
Boiling point 1155°C 2111°F

Manufacturing Process

Molybdenum oxide nanoparticles can be manufactured using the wet chemical purification and roasting processes.


The key applications of molybdenum oxide nanoparticles are as follows:

  • In electrochemical capacitors
  • In coatings, nanowires, nanofibers, plastics, and textiles
  • In specific alloy and catalyst applications
  • As catalysts, oxidation catalysts, cracking catalysts, hydrogenation catalysts, and pigments
  • In ceramics and glass production
  • As a raw material for the production of molybdenum metal.

Source: AZoNano



  1. gautam kannan gautam kannan India says:

    Hello sir, I'm currently involved in synthesizing Molybdenum trioxide nanoparticles by Hydro-solvent technique. I need a solvent to disperse the MoO3 nanoparticles for Spectroscopic analysis. Can you please name some solvent for the same? Thanks in advance.

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of AZoNano.com.

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