1-Decanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heneicosafluoro- 335-77-3 EINECS 206-401-9 Heneicosafluoro-1-decanesulfonic acid Henicosafluorodecanesulphonic acid