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N-Ethyl-N-(2-hydroxyethyl)perfluorooctane sulfonamide

CAS 1691-99-2

1-Octanesulfonamide, N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-

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

Molecular structure of 1691-99-2
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 293530 · 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

CAS1691-99-2
PubChem CIDNot recorded
DTXSIDDTXSID6027426
FormulaC12H10F17NO3S
Mol. Weight571.25 g/mol
SMILESCCN(CCO)S(=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

N-Ethyl-N-(2-hydroxyethyl)perfluorooctane sulfonamide (CAS 1691-99-2) https://chemicalindependence.com/chemical/1691-99-2/ EPA TSCA Inventory: CAS 1691-99-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory