삼산화텅스텐

WO₃

IUPAC: Tungsten(VI) oxide

CAS: 1314-35-8

개요

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.

구성

원소 기호 원자 원자 질량
산소 O 3 15.9990
텅스텐 W 1 183.8400

원소 구성

O
20.7%

용도

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

흥미로운 사실

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

안전

  • ⚠ Low toxicity
  • ⚠ Dust inhalation should be avoided

구조

SMILES

O=[W](=O)=O

성질

유형
oxide
상태
solid
몰 질량
231.84 g/mol
밀도
7.1600 g/cm³
녹는점
1473.0 °C
끓는점
1700.0 °C
용해도
insoluble

분자 기술자

정확 질량
231.9357
TPSA
51.2 Ų
수소결합 주개
0
수소결합 받개
3
회전 가능 결합
0
중원자
4
복잡도
61.0

다른 이름

Tungsten trioxide Tungstic anhydride

Frequently Asked Questions

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