204552

Tellurium dioxide

99.995% trace metals basis

• Synonym(s): Telluria, Tellurium (IV) oxide, Tellurium oxide
• Linear Formula: TeO₂
• CAS Number: 7446-07-3
• Molecular Weight: 159.60
• EC Number: 231-193-1
• MDL number: MFCD00011263
• PubChem Substance ID: 24852276

Properties

• Quality Level: 100
• assay: 99.995% trace metals basis
• 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

Description

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.

Packaging

2, 10, 50 g in poly bottle

Safety Information

• Pictograms: GHS07,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H317 - H332 - H360D - H411
• Precautionary Statements: P202 - P273 - P280 - P302 + P352 - P304 + P340 + P312 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Repr. 1B - Skin Sens. 1B
• Storage Class Code: 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
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves