Merck
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文件

243450

Sigma-Aldrich

二氧化碲

≥99%

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别名:
Tellurium(IV) oxide
线性分子式:
TeO2
CAS号:
7446-07-3
分子量:
159.60
EC 号:
231-193-1
MDL编号:
MFCD00011263
PubChem化学物质编号:
24854617
NACRES:
NA.23

质量水平

100

检测方案

≥99%

形式

powder

mp

733 °C (lit.)

密度

5.67 g/mL at 25 °C (lit.)

SMILES字符串

O=[Te]=O

InChI

1S/O2Te/c1-3-2

InChI key

LAJZODKXOMJMPK-UHFFFAOYSA-N

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相关类别

一般描述

二氧化碲，也称氧化碲（IV）,是一种白色结晶固体，熔点为 1,130 °C ，沸点为1,850 °C。二氧化碲是多种应用中的重要物质，可用作塑性树脂和药物合成的催化剂以及碲基合金中的成分。二氧化碲通常是在氧存在的情况下通过氯化碲（IV）或硫酸碲（IV）在高温下降解生产。

应用

二氧化碲可用于制备金属碲、碲酸和多种碲盐。它还可用于制备Ag2Te纳米颗粒。

警示用语：

Danger

危险分类

Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Lact. - Repr. 1B - Skin Sens. 1B

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

个人防护装备

Eyeshields, Gloves, type N95 (US)

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Tingjun Wu et al.
Frontiers in chemistry, 8, 84-84 (2020-03-21)
A systematic electrochemical study was conducted to investigate the reduction of tellurium (Te) in alkaline solutions. The effect of various parameters, including tellurite ion concentration, applied potential, and pH was investigated by both linear sweep voltammograms (LSVs) and electrochemical quartz
Mao Shen et al.
Nanoscale research letters, 8(1), 253-253 (2013-05-31)
A facile one-step synthesis of CdTe quantum dots (QDs) in aqueous solution by atmospheric microwave reactor has been developed using 3-mercaptopropionic acid reduction of TeO2 directly. The obtained CdTe QDs were characterized by ultraviolet-visible spectroscopy, fluorescent spectroscopy, X-ray powder diffraction
Sankha Chattopadhyay et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 68(10), 1967-1969 (2010-05-18)
A simple and inexpensive ion-exchange chromatography method for the separation of medically useful no-carrier-added (nca) iodine radionuclides from bulk amounts of irradiated tellurium dioxide (TeO(2)) target was developed and tested using (131)I. The radiochemical separation was performed using a very
G Bilir et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 83(1), 314-321 (2011-09-20)
TeO(2)-CdF(2)-WO(3) glasses with various compositions and Er(3+) concentrations were prepared by conventional melting method. Their optical properties were studied by measuring the absorption, luminescence spectra and the decay patterns at room temperature. From the optical absorption spectra the Judd-Ofelt parameters
Sankha Chattopadhyay et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 67(10), 1748-1750 (2009-05-05)
A simple and inexpensive method for the separation of medically useful no-carrier-added (nca) iodine radionuclides from bulk amounts of irradiated tellurium dioxide (TeO(2)) target was developed. The beta(-) emitting (131)I radionuclide, produced by the decay of (131)Te through the (nat)Te(n
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