2,2'-((9,10-Dihydro-9,10-dioxo-1,4-anthrylene)diimino)bis(5-tert-butylbenzenesulphonic) acid, sodium salt 97375-18-3 Benzenesulfonic acid, 2,2'-((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino)bis(5-(1,1-dimethylethyl)-, sodium salt EINECS 306-674-5