Synonyms: 1-Anthracenesulfonicacid, 9,10-dihydro-9,10-dioxo-, ammonium salt (9CI);Ammoniumanthraquinone-1-sulfonate;9,10-dioxo-9,10-dihydroanthracene-1-sulfonic acid ammoniate (1:1);1-anthracenesulfonic acid, 9,10-dihydro-9,10-dioxo-, ammonium salt;Ammonium 9,10-dioxo-9,10-dihydroanthracene-1-sulfonate;1-Anthraquinonesulfonic acid, ammonium salt;ammonium 9,10-dihydro-9,10-dioxoanthracene-1-sulphonate;