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Barium sulfurothioate

CAS 35112-53-9

Thiosulfuric acid (H2S2O3), barium salt (1:1)

Molecular structure of 35112-53-9
1 Ba²⁺
US productionNot reported
Import value, 2024$8M
Top sourceVietnam 77%

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 283230 · narrow

These shares come from HS customs code 283230, which covers 7 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
VN 77%VietnamCN 13%ChinaIN 4%IndiaDE 2%GermanyTW 1%Taiwan

Why It Matters

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

Chemical Identity

CAS35112-53-9
PubChem CIDNot recorded
DTXSIDDTXSID20956550
FormulaBaO3S2
Mol. Weight249.44 g/mol
SMILES[Ba++].[O-]S([O-])(=O)=S

Data Sources

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Brief citations

Barium sulfurothioate (CAS 35112-53-9) https://chemicalindependence.com/chemical/35112-53-9/ EPA TSCA Inventory: CAS 35112-53-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 283230 for CAS 35112-53-9. Reporting year: 2024. https://usatrade.census.gov/