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Perfluorooctanesulfonic acid

CAS 1763-23-1

1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-

EPA and Census publish no US supply data for this chemical.

Molecular structure of 1763-23-1
US productionNot reported
Top sourceNo public record

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

Where It Comes From

Customs basis: HS 290431 · exact

EPA and Census publish no US supply data for this chemical.

Why It Matters

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

Chemical Identity

CAS1763-23-1
PubChem CIDNot recorded
DTXSIDDTXSID3031864
FormulaC8HF17O3S
Mol. Weight500.13 g/mol
SMILESOS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F

Data Sources

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Brief citations

Perfluorooctanesulfonic acid (CAS 1763-23-1) https://chemicalindependence.com/chemical/1763-23-1/ EPA TSCA Inventory: CAS 1763-23-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory