应用
Tungsten(IV) selenide is used as an important compound in electrochemical solar cells. It acts as a stable semiconductor.

备注
Incompatible with strong oxidizing agents.

基本信息

MDL
MFCD00049703

EINECS
235-078-7

分子式
WSe₂

分子量
341.77

密度
9.32

灵敏度
Ambient temperatures.

形态
10-20 Micron powder

溶解性
Insoluble in water.

GHS危害和防范说明

GHS符号

Hazard Statements
H301-H331-H373-H400-H410
Toxic if swallowed.Toxic if inhaled.May cause damage to organs through prolonged or repeated exposure.Very toxic to aquatic life.Very toxic to aquatic life with long lasting effects.

Precautionary Statements
P260-P301+P310a-P304+P340-P311a-P405-P501a
Do not breathe dust/fume/gas/mist/vapours/spray.Do not breathe 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.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险等级
9

包装组
III

危险类别
23/25-33-50/53
Toxic by inhalation and if swallowed.Danger of cumulative effects.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

安全等级
20/21-28-45-60-61
When using do not eat, drink or smoke.After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer).In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous wasteAvoid release to the environment. Refer to special instructions/safety data sheets.

欧盟危险品标志

RTECS
YO7714000

TSCA
是