Perfluorooctane sulfonic acid

Chemical NamePerfluorooctane sulfonic acid
Synonym(s)1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro- | 1-Octanesulfonic acid, heptadecafluoro- | EF 101 | Heptadecafluorooctane-1-sulfonic acid | Heptadecafluorooctane-1-sulphonic acid | Heptadecafluorooctanesulfonic acid | PFOS
De minimis Limit %1
M,P/OU Threshould (lb)100/100
Listing TypeIndividually listed chemical
Effective Date01-JAN-20
Chemical QualifierNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceYes

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added2020No proposed rule for this action85 FR 37354 (6/22/2020)
Structural image
Structural representation of Perfluorooctane sulfonic acid