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808822

二硒化钨

Name: 二硒化钨
Brand: ALDRICH

Crystal, 99.995%

别名:

Tungsten (IV) selenide, Tungsten selenide

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关于此项目

线性分子式:

WSe₂

化学文摘社编号:

12067-46-8

分子量:

341.76

NACRES:

NA.23

PubChem Substance ID:

329769125

UNSPSC Code:

26111700

MDL number:

MFCD00049703

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属性

Quality Level

100

description

Electrical properties: Semiconductor, p-type

assay

99.995%

form

crystals

reaction suitability

core: tungsten

L × W × H

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

说明

Application

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.

Preparation Note

Store under nitrogen atmosphere.

pictograms

GHS06,GHS08,GHS09

signalword

Danger

hcodes

H301 + H331,H373,H410

pcodes

P273 - P301 + P310 + P330 - P304 + P340 + P311 - P314

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

存储类别

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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全球贸易项目编号

货号	GTIN
808822-1EA	04061832995595