Synonyms: 1,3,6-Naphthalenetrisulfonicacid, 8-amino-, disodium salt (8CI,9CI);8-Amino-1,3,6-naphthalenetrisulfonicacid disodium salt;Disodium 1-aminonaphthalene-3,6,8-trisulfonate;Disodium 8-amino-1,3,6-naphthalenetrisulfonate;Koch acid disodium salt hydrate;1,3,6 Napthalene trisulfonic acid;1-Naphthylamine-3,6,8-trisulfonic acid disodium salt hydrate;