1H-Benzimidazolesulfonic acid, 2-heptadecyl-1-((3-sulfophenyl)methyl)-, disodium salt 68228-07-9 Disodium 2-heptadecyl-1-((3-sulphonatophenyl)methyl)-1H-benzimidazolesulphonate EINECS 269-402-3