Azorubin (E122)

CAS: 3567-69-9

Ref. 04-C10411500

Product Information

• Name: Azorubin (E122)
• Synonyms: 4-Hydroxy-3-[2-(4-sulfo-1-naphthalenyl)diazenyl]-1-naphthalenesulfonic Acid Sodium Salt (1:2),1-Naphthalenesulfonic acid, 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-, disodium salt (9CI), Azo Rubine (6CI), C.I. Acid Red 14, disodium salt (8CI), 11959 Red, AR 14, Acid Brilliant Rubine 2G, Acid Carmosine S, Acid Chrome Blue 2R, Acid Chrome Blue BA, Acid Chrome Blue BA-CF, Acid Chrome Blue FBS, Acid Fast Red FB, Acid Naphthol Red B, Acid Red 14, Acid Red 2S, Acid Red B, Acid Red B (Chinese), Acid Rubine, Acid Violet Red, Acidic Red B, Airedale Carmoisine, Amacid Carmoisine B, Amacid Chrome Blue R, Amaranth 36028, Azo Rubin Extra, Azo Rubine LZ, Azo Rubine S, Azo Rubine S Specially Pure, Azo Rubine XX, Azo Rubine for Food, Azorubin, Basovit Red 440E, Brasilan Azo Rubine 2NS, Brilliant Acid Rubine M, Brilliant Carmoisine, Brilliant Crimson 2R-FQ, Brilliant Crimson Red, Bucacid Azo Rubine, C.I. 14720, C.I. Acid Red 14, C.I. Food Red 3, C.I. Mordant Blue 79, Calcocid Rubine XX, Carmoisine, Carmoisine 206, Carmoisine 36011, Carmoisine 36025, Carmoisine 90141, Carmoisine A, Carmoisine B, Carmoisine BA-CF, Carmoisine GRN, Carmoisine LAS, Carmoisine S, Carmoisine W, Carmoisine WNN 19153, Carmoisine azorubine, Certicol Carmoisine S, Chrome Fast Blue 2R, Chromotrope FB, Cilefa Rubine R, Cogilor Red 319.11, Cogilor Red 319.11-90022, Colorosacid Red 2B, Conacid Red AD, Crimson 2EMBL, Crimson EMBL, Diadem Chrome Blue G, Diadem Chrome Blue R, Dinacid Crystal Red A, Disodium 2-(4-sulfo-1-naphthylazo)-1-naphthol-4-sulfonate, Dyacid Red W, Dycosacid Red B, Dynacid Red C, E 122, Edicol Supra Carmoisine W, Edicol Supra Carmoisine WS, Eniacid Brilliant Rubine 3B, Erio Rubine B, Eurocert Azorubine, Eurocert Carmoisine 311804, Ext D and C Red No. 10, Fenazo Red C, Food red 3, Fruit Red A Extra Yellowish Geigy, HD Carmoisine, HD Carmoisine Supra, Hexacol Carmoisine, Hidacid Azo Rubine, Hispacid Rubine F, Java Rubine N, Karmesin, Kemacid Carmosine WS, Kenachrome Blue 2R, Kiton Crimson 2R, Kiton Rubine R, Lighthouse Chrome Blue 2R, Lissamine Red W, Nacarat, Nacarat A Export, Nacarat Extra Pure A, Necol Carmoisine, Neelicol Carmoisine, Neklacid Azorubine W, Omega Chrome Blue FB, Pontacyl Rubine R, PuriColor Red ARE 14, Rubine B, Sicovit Azorubine 85E122, Solar Rubine, Solochrome Blue FB, Tertracid Red CA, Tertrochrome Blue FB, Triacid Rubine WS, Water Red 176554, Water Red 176573, Aazorubine
• CAS: 3567-69-9
• Brand: Doctor Ehrenstorfer

Chemical properties

• Molecular weight: 502.43
• Formula: C₂₀H₁₂N₂O₇S₂Na
• Color/Form: Red
• InChI: /q, , , 2*+1/p-2, InChI=1S/C20H14N2O7S2.2Na/c23-20-15-8-4-3-7-14(15)19(31(27,28)29)11-17(20)22-21-16-9-10-18(30(24,25)26)13-6-2-1-5-12(13)16, /h1-11,23H,(H,24,25,26)(H,27,28,29)
• SMILES: O=S(=O)([O-])c1ccc(N=Nc2cc(S(=O)(=O)[O-])c3ccccc3c2O)c2ccccc12.[Na+].[Na+]