56773-42-3 83046-54-2 EINECS 260-375-3 Ethanaminium, N,N,N-triethyl-, salt with 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1-octanesulfonic acid (1:1) Tetraethylammonium heptadecafluorooctanesulphonate Tetraethylammonium perfluoroctanesulfonate