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Tellurium dioxide

CAS 7446-07-3

U.S. production volumes are classified as confidential business information.

Molecular structure of 7446-07-3
US productionCBI
Import value, 2024$75M
Top sourceChina 30%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 281129 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Zero · Imports 7.9K lb

These shares come from HS customs code 281129, which covers 18 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 30%ChinaAT 23%AustriaPL 9%PolandCA 8%CanadaCZ 8%Czech Republic

Why It Matters

Sectors
Construction
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS7446-07-3
PubChem CID62638
DTXSIDDTXSID8052487
FormulaO2Te
Mol. Weight159.6 g/mol
SMILESO=[Te]=O

Data Sources

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Brief citations

Tellurium dioxide (CAS 7446-07-3) https://chemicalindependence.com/chemical/7446-07-3/ EPA CompTox (DSSTox): DTXSID8052487. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8052487 PubChem: 62638. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/62638 EPA Chemical Data Reporting: 7446-07-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7446-07-3. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 281129 for CAS 7446-07-3. Reporting year: 2024. https://usatrade.census.gov/