Perfluorobutane sulfonic acid

Chemical NamePerfluorobutane sulfonic acid
Synonym(s)1,1,2,2,3,3,4,4,4-Nonafluoro-1-butanesulfonic acid | 1,1,2,2,3,3,4,4-Octafluoro-1,4-diiodobutane | 1,4-Diiodoperfluorobutane | 1-Butanesulfonic acid, nonafluoro- | 1-Perfluorobutanesulfonic acid | Butane, 1,1,2,2,3,3,4,4-octafluoro-1,4-diiodo- | Butane, octafluoro-1,4-diiodo- | Nonafluoro-1-butanesulfonic acid | Nonafluorobutane-1-sulfonic-acid | Nonafluorobutanesulfonic acid | PFBS | Perfluoro-1-butanesulfonate | Perfluorobutane Sulfonate | Perfluorobutane sulfonic acid | Perfluorobutanesulfonic acid
De minimis Limit %1
M,P/OU Threshould (lb)100/100
Listing TypeIndividually listed chemical
Effective Date01-JAN-22
Chemical QualifierNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceYes

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added2022No proposed rule for this action87 FR 42651 (7/18/2022)
Structural image
Structural representation of Perfluorobutane sulfonic acid