1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-Heptadecafluoro-1-octanesulfonic acid, ammonium salt 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, ammonium salt 29081-56-9 76560-29-7 Ammonium PFOS Ammonium heptadecafluorooctanesulphonate EINECS 249-415-0