Also Called: PFBS; perfluorobutanesulfonic acid;Perfluorobutane Sulfonate (Pfbs C-4);1-Butanesulfonic acid, 1,1,2,2,3,3,4,4,4-nonafluoro-;perfluorobutanesulfonate;Perfluorobutane sulfonic acid (PFBuS);Perfluorobutane sulfonic acid (PFBS);Perfluorobutane sulfonate (PFBS)(anion CAS: 45187-15-3);1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulphonic acid;Nonafluorobutane-1-sulphonic acid;Perfluorobutylsulfonic acid;Perfluorobutane sulfonic acid;BUTANE-1-SULFONIC ACID, 1,1,2,2,3,3,4,4,4-NONAFLUORO-;1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonic acid;Perfluorobutane sulfonate (PFBS);Nonafluorobutane-1-sulfonic acid;Nonafluoro-1-butanesulfonic acid;1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulphonic acid (PFBS)