Synonyms: ammonium 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoroheptane-1-sulphonate;AMMONIUM 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-PENTADECAFLUORO- 1-HEPTANESULFONATE;1-Heptanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-, ammonium salt;perfluoro-1-heptanesulfonic acid, ammonium salt;1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-Pentadecafluoro-1-heptanesulfonic acid ammonium salt