2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-((4-((methylamino)methyl)-2-sulfophenyl)amino)-9,10-dioxo-, disodium salt 67905-57-1 Disodium 1-amino-9,10-dihydro-4-((4-((methylamino)methyl)-2-sulphonatophenyl)amino)-9,10-dioxoanthracene-2-sulphonate EINECS 267-679-5