Synonyms: 2,6-Anthracenedisulfonicacid, 9,10-dihydro-1,5-dihydroxy-9,10-dioxo-4,8-bis[(sulfomethyl)amino]-,tetrasodium salt (8CI,9CI); 2,6-Anthraquinonedisulfonic acid,1,5-dihydroxy-4,8-bis(sulfomethylamino)-, tetrasodium salt (6CI); AlizarineCelestol R; Alizarine Sapphirol FBS; C.I. 63325