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CAS 2795-39-3

CAS 2795-39-3 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 2795-39-3
CAS 2795-39-3PubChem CID 23669238

Potassium perfluorooctanesulfonate

IUPAC name
potassium 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate
Molecular formula
C8F17KO3S
Molecular weight
538.22 g/mol
Exact mass
537.8933753 Da
Topological polar surface area
65.6 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
20
Covalent units
2
Defined stereocentres
0

Also known as

Fluorad FC 95Potassium heptadecafluorooctane-1-sulfonate1-Octanesulfonic acid, heptadecafluoro-, potassium salt1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium saltNSC-184051-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt (1:1)RefChem:175572potassium perfluorooctane sulfonate
16 more reported names
220-527-1Potassium heptadecafluoro-1-octanesulfonatePerfluorooctanesulfonic acid potassium saltPotassium heptadecafluorooctane-1-sulphonateFloral FC 95Heptadecafluorooctanesulfonic acid potassium saltFC 95Perfluorooctanesulfonic acid, potassium saltpotassium heptadecafluorooctanesulfonateHeptadecafluorooctanesulfonic acid, potassium saltPotassium PFOSpotassium;1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonateperfluorooctane sulfonic acid potassium saltEINECS 220-527-1NSC 18405C8F17KO3S
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 2795-39-3

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How CAS 2795-39-3 is used on this site

CAS 2795-39-3 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 2795-39-3 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.