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Perfluoroalkyl Sulphonates (PFSA)

PFSAs are commonly used in commercial products because of their excellent stability properties. The high chemical and biological stability of PFSAs is conferred by their strong carbon-fluorine bonds. PFSAs, in particular, are now considered to be a group of contaminants that are widely used worldwide. 

The chemicals in this group are perfluoroalkyl sulfonic acids, perfluoroalkyl sulfonic fluoride, and salts of the perfluoroalkyl sulfonate (PFSA) anion, all of which contain perfluorinated carbons terminated with a sulfonate group and have the potential to hydrolyze and/or dissociate to form a series of environmentally persistent perfluorosulfonate anions.

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Perfluoroalkyl Sulphonates (PFSA)
AccuStandard
NameCas No
Perfluorobutanesulfonic Acid375-73-5
Perfluorobutanesulfonic Acid, potassium salt29420-49-3
Perfluorobutanesulfonic Acid, potassium salt29420-49-3
Perfluorobutanesulfonate (PFBS), potassium salt (13C4, 99%)N/A
Perfluoropentanesulfonic Acid2706-91-4
Perfluoropentanesulfonic Acid sodium salt630402-
22-1
Perfluoropentanesulfonic Acid, sodium salt630402-
22-1
Perfluorohexanesulfonic Acid355-46-4
Perfluorohexanesulfonic Acid355-46-4
Perfluorohexanesulfonic Acid355-46-4
Perfluorohexanesulfonic Acid, potassium salt3871-99-6
Perfluorohexanesulfonate, potassium salt (13C6, 99%)N/A
N-(carboxymethyl)-N,N- dimethyl-3-((((perfluorohexyl) ethyl)sulfonyl)amino)- hydroxide34455-29-3
Perfluoroheptanesulfonic Acid375-92-8
Perfluoroheptanesulfonic Acid375-92-8
Perfluoroheptanesulfonic Acid, sodium salt21934-50-9
Perfluorooctane sulfonic Acid1763-23-1
Perfluorooctane sulfonic Acid, potassium salt2795-39-3
Perfluorooctane sulfonyl fluoride307-35-7
Perfluorooctane sulfonic Acid1763-23-1
Perfluorooctanesulfonate, sodium salt4021-47-0
Perfluorooctanesulfonate1763-23-1
Perfluorooctanesulfonate, sodium salt (13C8, 99%)N/A
Perfluorononanesulfonic Acid, sodium salt98789-57-2
Perfluorodecanesulfonic Acid, sodium salt2806-15-7

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