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Potassium N-ethyl-N-((heptadecafluorooctyl)sulphonyl)glycinate

CAS 2991-51-7

Glycine, N-ethyl-N-[(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctyl)sulfonyl]-, potassium salt (1:1)

Molecular structure of 2991-51-7
1 K⁺
US productionNot reported
Import value, 2024$2.0B
Top sourceIreland 63%

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 293590 · basket

These shares come from HS customs code 293590, which covers 182 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 63%IrelandSG 14%SingaporeIN 7%IndiaCN 7%ChinaCH 2%Switzerland

Why It Matters

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

Chemical Identity

CAS2991-51-7
PubChem CIDNot recorded
DTXSIDDTXSID3042009
FormulaC12H7F17KNO4S
Mol. Weight623.32 g/mol
SMILES[K+].CCN(CC([O-])=O)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

Potassium N-ethyl-N-((heptadecafluorooctyl)sulphonyl)glycinate (CAS 2991-51-7) https://chemicalindependence.com/chemical/2991-51-7/ EPA TSCA Inventory: CAS 2991-51-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293590 for CAS 2991-51-7. Reporting year: 2024. https://usatrade.census.gov/