1,1,2,2,3,3,4,4,5,5,6,6,6-Tridecafluorohexane-1-sulfonic acid 1-Hexanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluoro- 355-46-4 EINECS 206-587-1 Perfluorohexane-1-sulphonic acid Perfluorohexanesulfonic acid