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1-Propanesulfonic acid, 3-hydroxy-

CAS 15909-83-8

Molecular structure of 15909-83-8
US productionNot reported
Import value, 2024$26M
Top sourceChina 27%

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 290559 · basket

These shares come from HS customs code 290559, which covers 71 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 27%ChinaJP 25%JapanIL 20%IsraelKR 15%South KoreaIN 4%India

Why It Matters

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

Chemical Identity

CAS15909-83-8
PubChem CIDNot recorded
DTXSIDDTXSID1065970
FormulaC3H8O4S
Mol. Weight140.15 g/mol
SMILESOCCCS(O)(=O)=O

Data Sources

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Brief citations

1-Propanesulfonic acid, 3-hydroxy- (CAS 15909-83-8) https://chemicalindependence.com/chemical/15909-83-8/ EPA TSCA Inventory: CAS 15909-83-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290559 for CAS 15909-83-8. Reporting year: 2024. https://usatrade.census.gov/