Synonyms: 4-AMINO-1,5-NAPHTHALENEDISULFONIC ACID, SODIUM SALT;8-AMINO-1,5-NAPHTHALENEDISULFONIC ACID MONOSODIUM SALT;ALPHA-NAPHTHYLAMINE-4,8-DISULFONIC ACID SODIUM SALT;1-NAPHTHYLAMINE-4,8-DISULFONIC ACID MONOSODIUM SALT;4-amino-1,5-naphthalenedisulfonic acid monosodium salt;monosodium 4-amino-1,5-naphthalenedisulfonate;sodium 4-amino-1,5-naphthalenedisulfonate