204544

All Photos(3)

204544

碲

pieces, 99.999% trace metals basis

All Photos(3)

Empirical Formula (Hill Notation):

Te

CAS Number:

13494-80-9

Molecular Weight:

127.60

EC 号:

236-813-4

MDL编号:

MFCD00134062

eCl@ss:

38040201

PubChem化学物质编号:

24852275

NACRES:

NA.23

质量水平

100

测定

99.999% trace metals basis

形式

pieces

电阻率

5.8-33 μΩ-cm, 20°C

bp

990 °C (lit.)

mp

450 °C (lit.)

密度

6.24 g/mL at 25 °C (lit.)

SMILES string

[Te]

InChI

1S/Te

InChI key

PORWMNRCUJJQNO-UHFFFAOYSA-N

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1 of 4

This Item	264865	266418	263303
Sigma-Aldrich 204544 碲	Sigma-Aldrich 264865 碲	Sigma-Aldrich 266418 碲	Sigma-Aldrich 263303 碲
assay 99.999% trace metals basis	assay 99.997% trace metals basis	assay 99.8% trace metals basis	assay 99.99% trace metals basis
form pieces	form powder	form powder	form granular
resistivity 5.8-33 μΩ-cm, 20°C	resistivity 5.8-33 μΩ-cm, 20°C	resistivity 5.8-33 μΩ-cm, 20°C	resistivity 5.8-33 μΩ-cm, 20°C
bp 990 °C (lit.)	bp 990 °C (lit.)	bp 990 °C (lit.)	bp 990 °C (lit.)
mp 450 °C (lit.)	mp 450 °C (lit.)	mp 450 °C (lit.)	mp 450 °C (lit.)
density 6.24 g/mL at 25 °C (lit.)	density 6.24 g/mL at 25 °C (lit.)	density 6.24 g/mL at 25 °C (lit.)	density 6.24 g/mL at 25 °C (lit.)

一般描述

Tellurium is a p-type narrow band gap semiconducting metalloid with excellentphotoconductive and thermoconductive properties. It is widely as a fundamentalconstituent of photovoltaic solar panels, thermoelectronic devices, andalloys.

应用

碲是包括拓扑绝缘体在内的多种先进材料的重要组成部分，如(1); 热电材料 (2); 和碲化物纳米线(3)。这种材料的形式非常适用于真空沉积技术，如MBE。

象形图

GHS07,GHS08

警示用语：

Danger

危险声明

H317 - H332 - H360D - H413

预防措施声明

P201 - P273 - P280 - P302 + P352 - P304 + P340 + P312 - P308 + P313

危险分类

Acute Tox. 4 Inhalation - Aquatic Chronic 4 - Repr. 1B - Skin Sens. 1B

储存分类代码

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

WGK

WGK 2

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

碲