Quality Level
assay
≥97.0%
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
Tellurium dioxide (TeO2) is a ceramic material that can be used as a semiconducting oxide. It has a wide band gap and high mobility as determined by density functional theory (DFT) calculations. In bulk quantity, it exists in two polymorphs which include tetragonal α-TeO2 and orthorhombic β-TeO2.
Application
TeO2 can be potentially used in medical imaging and industrial monitoring processes.
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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)
Ultrathin tellurium dioxide: emerging direct bandgap semiconductor with high-mobility transport anisotropy
Guo S, et al.
Nanoscale, 10(18), 8397-8403 (2018)
Gamma radiation-induced changes in the electrical and optical properties of tellurium dioxide thin films
Arshak K and Korostynska O
IEEE Sensors Journal, 3(6), 717-721 (2003)
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 |
|---|---|
| 86370-250G | 04061833041079 |
| 86370-50G | 04061833041086 |