Vanadium Pentoxide (V2O5)

CAS No.: 1314-62-1

UN  No.:  2862

Transport hazard class: 6.1

Vanadium Pentoxide (v2o5)

Used in

  • Catalyst for petroleum refining(Benfield Process) in oil refinery.
  • Remove carbon dioxide(CO2) and HS from industry gas stream(gas sweetening) in Benfield Processing.
  • Catalyst for synthesis ammonia industry in chemical fertilizer plant.
  • SCR denitrification catalyst production material.
  • Additive in hard alloy(tungsten carbides).
  • Additive for Li-ion batteries material.
  • Magnetic material.



V2O599% min
V2O40.1% max
S0.05% max
Fe0.2% max
Si0.2% max
Ca0.05% max
Al0.01% max
Na2O+K2O1.0% max


V2O599.8% min
V2O40.4% max
S0.005% max
Fe0.01% max
Si0.01% max
Ca0.02% max
Al0.002% max
Na2O+K2O0.03% max


V2O599.5% min
V2O41.0% max
S0.01% max
Fe0.02% max
Si0.06% max
Ca0.03% max
Al0.005% max
Na2O+K2O0.05% max

What is Vanadium Pentoxide?

Vanadium Pentoxide (V2O5) is a compound of vanadium and oxygen. The pent in its name comes from the fact that it contains five units of oxygen per every one unit of vanadium.

V2O5 has a red color in its pure form due to the electronic transitions between energy levels in outer orbitals. When even small amounts of impurities are added to pure V2O5, this results in different colors ranging from yellow all the way to black, depending on the amount and type of impurity present in it.

Vanadium Pentoxide Uses

V2O5 is a polymorph of vanadium oxide that can be used as:

  • Catalyst.
  • Electrolyte in lithium-ion batteries.
  • Receptive material for organic photovoltaic cells.

Vanadium pentoxide (V2O5) is an important industrial chemical known for its use as a catalyst for industrial and domestic purposes. It is also used as electrolyte material in lithium-ion batteries and as receptive material to make solar panels.

The properties linked with Vanadium Pentoxide V2O5 help determine if a material or substance can be used for a specific purpose application. For example, certain properties are required for materials or substances to be used as a battery anode, fuel cell cathodes, and electrolyte membranes.

Certain impurities have been added during the production of Vanadium Pentoxide V2O5, which help it fulfill all these different applications. For example, if small amounts of phosphorus are added, this results in yellow-brown coloration of the material.

This means that it is more solid than its pure form but still consists of Vanadium pentoxide, which can help increase power storage, reduce corrosion by reacting with hydrogen gas released at the cathode surface during charge, and being able to transport protons without posing any risk to people using them either internally or externally on their body.

Therefore, all of these properties help Vanadium Pentoxide fulfill applications required for batteries (though it is not used on its own since adding phosphorus makes it too solid).

Its most important role is being used as one of the electrodes inside fuel cells where the chemical oxidation typically occurs at the anode, with oxygen being reduced at the cathode with hydrogen ions.

The redox reactions represent overall energy storage and conversion, which allows us to use them for various purposes, including powering mobile devices or even cars that run on electricity provided by fuel cells