Tungsten Trioxide

WO₃

IUPAC: Tungsten(VI) oxide

CAS: 1314-35-8

Descripción general

Tungsten trioxide is a yellow powder that is the primary intermediate in tungsten metal production. It is reduced with hydrogen or carbon to produce tungsten metal. It also has photochromic and electrochromic properties, changing color when exposed to light or electric fields.

Composición

Elemento Símbolo Átomos Masa atómica
Oxygen O 3 15,9990
Tungsten W 1 183,8400

Composición elemental

O
Oxygen ×3
20,7%
W
Tungsten ×1
79,3%

Usos

  • • Tungsten metal production
  • • Electrochromic smart windows
  • • Catalyst
  • • Yellow ceramic pigment

Datos curiosos

  • ✦ Electrochromic smart windows using WO₃ can darken or lighten with an applied voltage

Seguridad

  • ⚠ Low toxicity
  • ⚠ Dust inhalation should be avoided

Structure

SMILES

O=[W](=O)=O

Propiedades

Tipo
oxide
Estado
solid
Masa molar
231,84 g/mol
Densidad
7,1600 g/cm³
Punto de fusión
1473,0 °C
Punto de ebullición
1700,0 °C
Solubilidad
insoluble

Molecular Descriptors

Exact Mass
231,9357
TPSA
51,2 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
4
Complexity
61,0

También conocido como

Tungsten trioxide Tungstic anhydride

Compuestos relacionados

Bismuth(III) Oxide

Bi₂O₃

Carbon Monoxide

CO

Chromium Trioxide

CrO₃

Cobalt(II) Oxide

CoO

Copper(I) Oxide

Cu₂O

Lithium Nickel Manganese Cobalt Oxide

LiNi₀.₃₃Mn₀.₃₃Co₀.₃₃O₂

Gallium(III) Oxide

Ga₂O₃

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Cadmium Oxide

CdO

Frequently Asked Questions

What is Tungsten Trioxide?
Tungsten Trioxide (WO₃) is a oxide compound with the IUPAC name Tungsten(VI) oxide.
What is the molecular weight of Tungsten Trioxide?
Tungsten Trioxide has a molar mass of 231.84 g/mol.
What state is Tungsten Trioxide at room temperature?
Tungsten Trioxide is a solid at room temperature.
Is Tungsten Trioxide organic or inorganic?
Tungsten Trioxide is classified as an inorganic compound.
What elements make up Tungsten Trioxide?
Tungsten Trioxide (WO₃) is composed of Oxygen (O), Tungsten (W).