应用
Tungsten(IV) oxide is used in the production of tungsten and tungstates, in alloys, in fire-proofing fabrics and as a ceramic pigment. It is used to study their chromism, photocatalysis and sensing capabilities. It is associated with rhenium trioxide particles and used for detection of protonatable, radical and precharged species under laser desorption ionization.

备注
Incompatible with oxidizing agents and chlorine.

基本信息

MDL
MFCD00049709

EINECS
234-842-7

分子式
WO₂

分子量
215.85

熔点
1500-1600° (in N{2})

密度
10.8

灵敏度
Ambient temperatures.

形态
-100 Mesh Powder

溶解性
Soluble in acid and potassium hydroxide. Insoluble in water.

GHS危害和防范说明

GHS符号

Hazard Statements
H335
May cause respiratory irritation.

Precautionary Statements
P261-P304+P340-P312a-P405-P403+P233-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Store in a well-ventilated place. Keep container tightly closed.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
37
Irritating to respiratory system.

安全等级
60
This material and its container must be disposed of as hazardous waste

TSCA
是