Vanadium Pentoxide

V₂O₅

IUPAC: Vanadium(V) oxide

CAS: 1314-62-1

Overview

Vanadium pentoxide is a yellow to red crystalline solid that is the most important commercial vanadium compound. It is the primary catalyst in the contact process for sulfuric acid production and in selective catalytic reduction of NOx in power plant exhaust.

Composition

Element Symbol Atoms Atomic Mass
Oxygen O 5 15.9990
Vanadium V 2 50.9420

Elemental Composition

O
Oxygen ×5
44.0%
V
Vanadium ×2
56.0%

Uses

  • • Sulfuric acid production catalyst (contact process)
  • • SCR catalyst for NOx removal
  • • Vanadium redox flow batteries
  • • Ceramic colorant

Fun Facts

  • ✦ Makes the contact process possible, which produces most of the world's sulfuric acid

Safety

  • ⚠ Toxic by inhalation and ingestion
  • ⚠ Respiratory irritant
  • ⚠ Possible carcinogen

Structure

SMILES

O=[V](=O)O[V](=O)=O

Properties

Type
oxide
State
solid
Molar Mass
181.88 g/mol
Density
3.3570 g/cm³
Melting Point
690.0 °C
Boiling Point
1750.0 °C
Solubility
0.8 g/L at 20°C

Molecular Descriptors

Exact Mass
181.8625
TPSA
77.5 Ų
H-Bond Donors
0
H-Bond Acceptors
5
Rotatable Bonds
0
Heavy Atoms
7
Complexity
123.0

Also Known As

Vanadia

Related Compounds

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Barium Oxide

BaO

Beryllium Oxide

BeO

Bismuth(III) Oxide

Bi₂O₃

Boron Trioxide

B₂O₃

Cadmium Oxide

CdO

Calcium Oxide

CaO

Carbon Dioxide

CO₂

Carbon Monoxide

CO

Frequently Asked Questions

What is Vanadium Pentoxide?
Vanadium Pentoxide (V₂O₅) is a oxide compound with the IUPAC name Vanadium(V) oxide.
What is the molecular weight of Vanadium Pentoxide?
Vanadium Pentoxide has a molar mass of 181.88 g/mol.
What state is Vanadium Pentoxide at room temperature?
Vanadium Pentoxide is a solid at room temperature.
Is Vanadium Pentoxide organic or inorganic?
Vanadium Pentoxide is classified as an inorganic compound.
What elements make up Vanadium Pentoxide?
Vanadium Pentoxide (V₂O₅) is composed of Oxygen (O), Vanadium (V).