CAS 12067-46-8; tungsten selenide (wse2)

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规格

包装、参考价格

T913782

MACKLIN

硒化钨(IV)

99.999% metals basis

556元/5g; 2060元/25g;

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储存：室温
状态：灰色到黑色固体

T913781

MACKLIN

硒化钨(IV)

99.99% metals basis

379元/5g; 1098元/25g; 3766元/100g;

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储存：室温
状态：黑色固体

T819993

MACKLIN

硒化钨(IV)

99.8% metals basis

108元/2g; 475元/10g; 1600元/50g; 2885元/100g;

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储存：室温
状态：暗灰色到黑色粉末

912896

J&K

Tungsten(IV) selenide

99.99%, 痕量分析

749元/10G; 2740元/50G;

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基本信息

分子式	WSe₂
分子量	341.76
MDL编码	MFCD00049703

安全信息

图形或危害标志
提示语	Danger
危险说明	H301 H331 H373 H410
防范说明	P260 P304+P340+P312 P403+P233
UN号码	3283
危险分类	6.1
包装等级	III
WGK	3
RTECS	YO7714000

013084

Alfa Aesar

Tungsten(IV) selenide

99.8% (metals basis)

1342元/10g; 5366元/50g;

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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

808822

Sigma-Aldrich

Tungsten diselenide

Crystal, 99.995%

11716.8元/1 EA;

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产品说明

应用

The two dimensional layered inorganic nanomaterials have drawn significant attention recently owing to their thickness dependent physical and chemical properties. They find applications in photocatalysis, phtotovoltaics, gas sensing, lithium ion batteries, field effect transistors, spintronics etc. Transition metal dischalcogenides represent an important class of inorganic 2D materials having the aforementioned applications.

制备说明

Store under nitrogen atmosphere.

基本信息

线性分子式	WSe₂
分子量	341.76
MDL编号	MFCD00049703
PubChem化学物质编号	329769125
NACRES	NA.23

产品性质

质量水平	100
描述	Electrical properties: Semiconductor, p-type
测定	99.995%
形式	crystals
长度 × 宽度 × 高度	0.5 cm × 0.5 cm × 0.1-0.15 mm, typical size, some variation in dimensions may occur with different batches
primary crystallite size	~10 mm (hexagonal)
SMILES string	[Se]=[W]=[Se]
InChI	1S/2Se.W
InChI key	ROUIDRHELGULJS-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Danger
危险声明	H301 + H331 - H373 - H410
预防措施声明	P273 - P301 + P310 + P330 - P304 + P340 + P311 - P314
危险分类	Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
储存分类代码	6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable