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Gold trisodium bis(thiosulfate)

CAS 10233-88-2

Thiosulfuric acid (H2S2O3), gold(1+) sodium salt (2:1:3)

Molecular structure of 10233-88-2
3 Na⁺ · 1 Au⁺
US productionNot reported
Import value, 2024$2M
Top sourceGermany 46%

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 284330 · basket

These shares come from HS customs code 284330, which covers 16 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 46%GermanyCO 32%ColombiaGB 12%United KingdomCH 3%SwitzerlandKR 3%South Korea

Why It Matters

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

Chemical Identity

CAS10233-88-2
PubChem CIDNot recorded
DTXSIDDTXSID601015620
FormulaAuNa3O8S2
Mol. Weight458.05 g/mol
SMILES[Na+].[Na+].[Na+].[Au+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

Data Sources

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Brief citations

Gold trisodium bis(thiosulfate) (CAS 10233-88-2) https://chemicalindependence.com/chemical/10233-88-2/ EPA TSCA Inventory: CAS 10233-88-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 284330 for CAS 10233-88-2. Reporting year: 2024. https://usatrade.census.gov/