1,1,2,2,3,3,4,4,5,5,5-Undecafluoropentane-1-sulfonic acid,potassium salt, Potassium perfluoropentane-1-sulphonate, potassium perfluoropentanesulfonate, EINECS 223-394-8, 1-Pentanesulfonic acid,1,1,2,2,3,3,4,4,5,5,5-undecafluoro-,potassium salt (1:1), Kalium-perfluorpentansulfonate, 1-Pentanesulfonic acid,1,1,2,2,3,3,4,4,5,5,5-undecafluoro-,potassium salt