Tungsten Trioxide

WO₃

IUPAC: Tungsten(VI) oxide

CAS: 1314-35-8

Ikhtisar

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.

Komposisi

Unsur Simbol Atom Massa Atom
Oxygen O 3 15,9990
Tungsten W 1 183,8400

Komposisi Elemental

O
Oxygen ×3
20,7%
W
Tungsten ×1
79,3%

Kegunaan

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

Fakta Menarik

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

Keselamatan

  • ⚠ Low toxicity
  • ⚠ Dust inhalation should be avoided

Structure

SMILES

O=[W](=O)=O

Sifat

Jenis
oxide
Keadaan
solid
Massa Molar
231,84 g/mol
Kerapatan
7,1600 g/cm³
Titik Lebur
1473,0 °C
Titik Didih
1700,0 °C
Kelarutan
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

Juga Dikenal Sebagai

Tungsten trioxide Tungstic anhydride

Senyawa Terkait

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).