O2Te
159.6 g/mol
Industrial ChemicalDanger
TELLURIUM DIOXIDE
CAS7446-07-3EC231-193-1
Category
Industrial Chemical
Compound Class
Other
Primary Use
production of chalcogenide glasses and acousto-optic detectors
Tellurium dioxide is a solid oxide of tellurium that exists in two main forms: the yellow orthorhombic mineral tellurite and the colorless tetragonal paratellurite. It is primarily used in the production of chalcogenide glasses and acousto-optic detectors.
production of chalcogenide glassesacousto-optic detectors
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Selenium dioxide
CAS7446-08-4
Reagent and oxidizing agent
ReferenceSame Category
Sulfur dioxide
CAS7446-09-5
Industrial chemical for smelting and refining
ReferenceSame Category
Sulfur trioxide
CAS7446-11-9
Sulfonation agent and sulfuric acid intermediate
ReferenceSame Category
Zinc sulfate monohydrate
CAS7446-19-7
Electroplating and industrial processing
Safety Reference
Danger
H362May cause harm to breast-fed children
H317May cause an allergic skin reaction
H332Harmful if inhaled
H411Toxic to aquatic life with long lasting effects
H360May damage fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
H361Suspected of damaging fertility or the unborn child
Customs Tariff Classification
The international HS code for TELLURIUM DIOXIDE (CAS 7446-07-3) is 2811.29.
HS code (international, 6-digit)
2811.29
EU CN code (8-digit)
2811 29 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
tellurium dioxide
InChIKey
LAJZODKXOMJMPK-UHFFFAOYSA-N
SMILES
O=[Te]=O
Synonyms (12)
- Dioxo-lambda~4~-tellane
- TELLURIUM DIOXIDE
- Tellurite (TeO2)
- Tellurite (mineral)
- Tellurium oxide (TeO2)
- Tellurium(IV) oxide
- oxotellane oxide
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