Acid Red 33

CAS: 3567-66-6

Ref. 04-C10028806

Product Information

• Name: Acid Red 33
• Synonyms: 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)-, disodium salt (9CI), C.I. Acid Red 33 (6CI,7CI), C.I. Acid Red 33, disodium salt (8CI), 11427 Red, 1424 Red, Acetyl Red B, Acid Fuchsin Fast B, Acid Fuchsine 38013, Acid Fuchsine 90120, Acid Fuchsine D, Acid Red 2A, Acid Red B, Amacid Fuchsine 4B, Azo Fuchsine, Azo Grenadine, Azo Magenta G, Azofuchsin, Azofuchsin (biological stain), Brasilan Fuchsine D, C.I. 17200, C.I. Food Red 12, Certicol Red B, Colacid Red 2A, Cosmetic Red 17000, D & C Red 33, D and C Red No. 33, D&C Red No. 33, D&C Red No. 33-307002, D&C Red No. 33-38013, D&C Red No. 33-90120, Disodium 1-hydroxy-2-phenylazo-8-aminonaphthalene-3,6-disulfonate, Edicol Supra Red 10B, Edicol Supra Red 10BS, Eniacid Fuchsine BN, Fabracid Fuchsine S-B, Fast Acid Magenta, Fast Acid Magenta B, Food Red 12, Hexacol Red 10B, Hexalan Red B, Hispacid Fuchsin B, Japan Red 227, Japan Red No. 227, Naphthalene Red B, Puricolor Red ARE 33, Red 10B, Red 10B307042, Red 33, Red CI 17200, Red No. 227, Romexal Red 2A
• Brand: Doctor Ehrenstorfer

Chemical properties

• Molecular weight: 467.38
• Formula: C₁₆H₁₁N₃O₇S₂Na
• Color/Form: Dark Brown Solid
• InChI: , /q, , 2*+1/p-2, InChI=1S/C16H13N3O7S2.2Na/c17-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)19-18-10-4-2-1-3-5-10, /h1-8,20H,17H2,(H,21,22,23)(H,24,25,26)
• InChI key: InChIKey=KVDGHPJCRVSBTH-UHFFFAOYSA-N
• SMILES: Nc1cc(S(=O)(=O)[O-])cc2cc(S(=O)(=O)[O-])c(N=Nc3ccccc3)c(O)c12.[Na+].[Na+]