Synonyms: 1-Octanesulfonamide,N,N'-[phosphinicobis(oxy-2,1-ethanediyl)]bis[N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-,ammonium salt (9CI); 1-Octanesulfonamide,N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-,hydrogen phosphate (ester) ammonium salt (8CI); Ammoniumbis[2-[N-ethyl(heptadecafluorooctane)sulfonylamino]ethyl] phosphate; Ammoniumbis[2-[N-ethyl(perfluorooctane)sulfonamido]ethyl] phosphate;Bis(2-perfluorooctylsulfonyl-N-ethylaminoethyl) phosphate ammonium salt;Bis(N-ethyl-2-perfluorooctylsulfonaminoethyl)phosphate ammonium salt; FC 807;N,N'-[(Hydroxyphosphinylidene)bis(oxy-2,1-ethanediyl)]bis[N-ethylheptadecafluoro-1-octanesulfonamide]ammonium salt; N,N'-[Phosphinico bis(oxy-2,1-ethanediyl)]bis[N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1-octanesulfonamide]ammonium salt; Scotchban FC 807; Scotchgard FC 807