For research use only. Not for therapeutic Use.
Ponceau 4R is a synthetic colorant that can be used for food coloring. Ponceau 4R is a strawberry red azo dye that can be used in a variety of foods, usually synthesized from aromatic hydrocarbons, and is stable to light, heat, and acids[1][2].
Ponceau 4R (31, 37, 137 mg/kg for cats, dogs, fish, added to feed) is a maximum safe dose with no effect on cats, dogs and fish[1].
| Catalog Number | R017285 |
| CAS Number | 2611-82-7 |
| Synonyms | trisodium;7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate |
| Molecular Formula | C20H11N2Na3O10S3 |
| Purity | ≥95% |
| InChI | InChI=1S/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3 |
| InChIKey | SWGJCIMEBVHMTA-UHFFFAOYSA-K |
| SMILES | C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+].[Na+] |
| Reference | [1]. Rychen G, et al. Safety and efficacy of ponceau 4R for cats, dogs and ornamental fish. EFSA J. 2018 Mar 29;16(3):e05222. [2]. Dong Y, et al. Quantification of Ponceau 4R in Foods by Indirect Competitive Enzyme-Linked Immunosorbent Assay (icELISA). J Agric Food Chem. 2015 Jul 22;63(28):6338-45. |
