Synonyms: 2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, monosodium salt (8CI,9CI);1-Amino-8-hydroxy-3,6-naphthalenedisulfonicacid monosodium salt;4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt;8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt;H acidmonosodium salt;Monosodium 1-naphthol-8-amino-3,6-disulfonate;Sodium8-amino-1-naphthol-3,6-disulfonate;1-Amino-8-naphthol-3,6-disulfonic acid monosodium salt;Monosodium4-amino-5-hydroxy-2,7-naphthalenedisulfonate;