Synonyms:
1,4-dihydroxy-9,10-dioxoanthracene-2-sulfonic acid sodium salt ; 2-anthracenesulfonicacid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo-, sodium salt (1:1) ; 2-anthraquinonesulfonic acid, 1,4-dihydroxy-, sodium salt (6ci) ; 9,10-dihydro-1,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt ; sodium 9,10-dihydro-1,4-dihydroxy-9,10-dioxoanthracene-2-sulphonate ; c.i. pigment violet 5 ; 2-anthracenesulfonicacid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo-, monosodium salt (8ci,9ci) ; sodium quinizarin-2-sulfonate ; 1,4-dihydroxy-2-(sodiooxysulfonyl)-9,10-anthraquinone ; 1,4-dihydroxyanthraquinone-2-sulfonic acid sodium salt