Synonyms: diammonium 4,4'-[(9,10-dihydro-9,10-dioxo-1,4-anthrylene)diimino]bis(toluene-3-sulphonate);Benzenesulfonic acid, 2,2'-[(9,10-dihydro-9,10- dioxo-1,4-anthracenediyl)diimino]bis[5-methyl-, diammonium salt;2,2'-[[(9,10-Dihydro-9,10-dioxoanthracene)-1,4-diyl]bisimino]bis(5-methylbenzenesulfonic acid ammonium) salt;1,4-Bis(2-sulfo-p-toluidino)anthraquinone, diammonium salt;Benzenesulfonic acid, 2,2'-((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino)bis(5-methyl-, ammonium salt (1:2);Einecs 268-001-0