1-Nonanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-nonadecafluoro-, ammonium salt 17202-41-4 Ammonium nonadecafluorononanesulphonate EINECS 241-247-6 Perfluorononanesulfonic acid ammonium salt