Chemical Detail

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
CASRN1763-23-1
De minimis Limit %1
M,P/OU Threshould (lb)100/100
Listing TypeIndividually listed chemical
Effective Date2020-01-01
Chemical QualifierNo
MetalNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceYes
Structural image
Structural representation of Perfluorooctane sulfonic acid

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added2020No proposed rule for this action85 FR 37354 (6/22/2020)