1,8-Anthracenedisulfonic acid, 9,10-dihydro-9,10-dioxo-, disodium salt 1,8-Anthraquinonedisulfonic acid, disodium salt 903-46-8 Disodium 9,10-dihydro-9,10-dioxoanthracene-1,8-disulphonate EINECS 212-991-9