Sodium tellurite

CAS 10102-20-2

Telluric acid (H2TeO3), sodium salt (1:2)

Molecular structure of 10102-20-2
2 Na⁺
US productionNot reported
Import value, 2024$32M
Top sourceChina 39%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 284290 · basket

These shares come from HS customs code 284290, which covers 96 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 39%ChinaDE 33%GermanyCA 9%CanadaGB 4%United KingdomJP 3%Japan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS10102-20-2
PubChem CIDNot recorded
DTXSIDDTXSID2064943
FormulaNa2O3Te
Mol. Weight221.58 g/mol
SMILES[Na+].[Na+].[O-][Te]([O-])=O

Data Sources

Brief citations

Sodium tellurite (CAS 10102-20-2) https://chemicalindependence.com/chemical/10102-20-2/ EPA TSCA Inventory: CAS 10102-20-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 284290 for CAS 10102-20-2. Reporting year: 2024. https://usatrade.census.gov/