C.I.63011

Alizarine Saphirol R

tetrasodium 4,8-diamino-9,10-dihydro-1,5-dioxido-9,10-dioxoanthracene-2,6-disulphonate

4,8-Diamino-9,10-dihydro-9,10-dioxo-1,5-bis(sodiooxy)anthracene-2,6-disulfonic acid disodium salt