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Potassium tetrathionate

CAS 13932-13-3

Tetrathionic acid, potassium salt (1:2)

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

Molecular structure of 13932-13-3
2 K⁺
US productionCBI
Top sourceNo public record

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.

Where It Comes From

EPA reports by year
2023
US production Confidential · Imports Confidential
EPA-registered importers (1)
Avantor

Why It Matters

Sectors
Core Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS13932-13-3
PubChem CIDNot recorded
DTXSIDDTXSID9047043
FormulaK2O6S4
Mol. Weight302.43 g/mol
SMILES[K+].[K+].[O-]S(=O)(=O)SSS([O-])(=O)=O

Data Sources

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Brief citations

Potassium tetrathionate (CAS 13932-13-3) https://chemicalindependence.com/chemical/13932-13-3/ EPA TSCA Inventory: CAS 13932-13-3. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 13932-13-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13932-13-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting