跳转至内容
Merck

243450

Sigma-Aldrich

二氧化碲

≥99%

别名:

Tellurium(IV) oxide

登录查看公司和协议定价


About This Item

线性分子式:
TeO2
CAS号:
分子量:
159.60
EC號碼:
MDL號碼:
分類程式碼代碼:
12352303
PubChem物質ID:
NACRES:
NA.23

化驗

≥99%

形狀

powder

mp

733 °C (lit.)

密度

5.67 g/mL at 25 °C (lit.)

SMILES 字串

O=[Te]=O

InChI

1S/O2Te/c1-3-2

InChI 密鑰

LAJZODKXOMJMPK-UHFFFAOYSA-N

正在寻找类似产品? 访问 产品对比指南

一般說明

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。

應用

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。

訊號詞

Danger

危險分類

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

儲存類別代碼

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ (Lot或Batch)字后找到。

已有该产品?

在文件库中查找您最近购买产品的文档。

访问文档库

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
Garima Tripathi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 71(2), 486-489 (2008-03-14)
The energy transfer in Er3+: Sm3+ codoped binary TeO2-Li2O (TLO) glass has been studied using 532 nm laser radiation on the basis of fluorescence intensity and the lifetime measurements. It is observed that the trace of erbium ion can be
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
Edmond P F Lee et al.
The Journal of chemical physics, 121(7), 2962-2974 (2004-08-05)
Ab initio calculations have been carried out on low-lying singlet and triplet states of TeO2 at different levels of theory with basis sets of up to the augmented-polarized valence-quintuple-zeta quality. Equilibrium geometrical parameters, harmonic vibrational frequencies, and relative electronic energies

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门