Quality Level
assay
≥99%
form
powder
mp
733 °C (lit.)
density
5.67 g/mL at 25 °C (lit.)
SMILES string
O=[Te]=O
InChI
1S/O2Te/c1-3-2
InChI key
LAJZODKXOMJMPK-UHFFFAOYSA-N
General description
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。
Application
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。
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Lact. - Repr. 1B - Skin Sens. 1B
存储类别
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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
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
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
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 243450-250G | 04061835561858 |
| 243450-50G | 04061835561865 |