1,7-Anthracenedisulfonic acid, 9,10-dihydro-9,10-dioxo-, disodium salt 1,7-Anthraquinonedisulfonic acid, disodium salt 68213-99-0 Disodium 9,10-dihydro-9,10-dioxoanthracene-1,7-disulphonate EINECS 269-279-6