204552
二氧化碲
99.995% trace metals basis
别名:
Telluria, Tellurium (IV) oxide, Tellurium oxide
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关于此项目
线性分子式:
TeO2
化学文摘社编号:
分子量:
159.60
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
231-193-1
MDL number:
Quality Segment
assay
99.995% trace metals basis
form
powder
composition
TeO₂
mp
733 °C (lit.)
density
5.67 g/mL at 25 °C (lit.)
application(s)
glass & ceramic
SMILES string
O=[Te]=O
InChI
1S/O2Te/c1-3-2
InChI key
LAJZODKXOMJMPK-UHFFFAOYSA-N
General description
Telluriumdioxide, also known as tellurium(IV) oxide, is a white powder with a melting point of 733 °C. TeO2 is characterized by its unique propertiesand is widely used in various applications, including optics, electronics, andas a precursor for the synthesis of tellurium-based materials. It is recognized for its strong optical characteristics and is employed in the production of optical fibers and other photonic devices. Additionally, it plays a crucial role in the preparation of diverse tellurium compounds for various chemical transformations. Our high-purity tellurium dioxide powder is distinguished by its low impurity levels, making it particularly suitable for sensitive electronic applications.
Application
Tellurium dioxide can be used:
- As a seed layer to fabricate hole-extracting electrodes in an organic photovoltaic device. The addition of TeO2 enhances the optical transmittance of the electrode.
- As a starting material to prepare tellurite glasses for gamma radiation shielding and other optical applications.
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警示词
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
怎么回事？
WGK 3
闪点 (F)
Not applicable
闪点 (°C)
Not applicable
PPE（个人防护设备）
Eyeshields, Gloves, type N95 (US)