2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(1-naphthalenylazo)-, disodium salt 5858-64-0 Acid Bordeaux BS Azo Red A Benzyl Bordeaux Benzyl Bordeaux B C.I. 14910 C.I. Acid Red 3 C.I. Acid Red 3, disodium salt NSC45207