1-Naphthalenesulfonic acid, 4-hydroxy-3,4'-azodi-, disodium salt 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-, disodium salt 11959 Red 2-(4-Sulfo-1-naphthylazo)-1-naphthol-4-sulfonic acid, disodium salt 2-(4-Sulpho-1-naphthylazo)-1-naphthol-4-sulfonic acid, disodium salt 3567-69-9 4-Hydroxy-3,4'-azodi-1-naphthalenesulfonic acid, disodium salt 4-Hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid, disodium salt Acetacid Red B Acid Brilliant Rubine 2G Acid Chrome Blue 2R Acid Chrome Blue BA Acid Chrome Blue BA-CF Acid Chrome Blue FBS Acid Fast Red FB Acid Red 14 Acid Red 26 Acid Red 2C Acid Red 2S Acid Rubine Acid brilliant rubine 2gt Acid brilliant rubine a2g conc. Acid rubine extra Airedale Carmoisine Amacid Carmoisine B Amacid Chrome Blue R Atul Acid Crystal Red Atul Crystal Red F