2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-9,10-dioxo-4-(phenylamino)-, monosodium salt 37218-11-4 6408-78-2 C.I. ACID BLUE 25 EINECS 229-068-1 Sodium 1-amino-9,10-dioxo-4-phenylaminoanthracene-2-sulphonate