Vanadium(V) Oxide

V₂O₅

IUPAC: Vanadium pentoxide

CAS: 1314-62-1

Overview

Vanadium pentoxide is the most important industrial vanadium compound, primarily used as a catalyst for sulfuric acid production by the contact process.

Composition

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

Elemental Composition

O
44.0%
V
56.0%

Uses

  • Contact process catalyst (H₂SO₄)
  • Ceramic colorant
  • Redox flow battery
  • SCR catalyst for NOx reduction

Fun Facts

  • Catalyzes the conversion of SO₂ to SO₃ in the contact process, making over 200 million tonnes of H₂SO₄ annually

Safety

  • ⚠ Toxic
  • ⚠ 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
5.5 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

Frequently Asked Questions

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