2611-82-7
Chemical Structure
Ponceau 4R
Synonym(s): Acid Red 18; New Coccine
- CAS No.: 2611-82-7
- Formula:C20H11N2Na3O10S3
- Molecular Weight:604.47
IUPAC Name: sodium (E)-7-hydroxy-8-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1,3-disulfonate
InChIKey: SWGJCIMEBVHMTA-ZRUFZDNISA-K
SMILES: O=S(C1=C2C(/N=N/C3=C4C=CC=CC4=C(S(=O)(O[Na])=O)C=C3)=C(O)C=CC2=CC(S(=O)(O[Na])=O)=C1)(O[Na])=O
Biological Activity: 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].
| Cat. No. | Product Name | Purity | Description | Pricing | |||||||||||||||||||
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Ponceau 4R | 99.84% | 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. | ||||||||||||||||||||
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Ponceau 4R (85%) | 85.0% | Ponceau 4R (85%) (Acid Red 18 (85%); New Coccine (85%)) is an orally active synthetic food colorant and a HSA-binding aggregator. Ponceau 4R (85%) binds to HSA, inducing its partial unfolding, conformational changes and aggregation. Ponceau 4R (85%) serves as a food colorant and can be used in research on diseases including type Ⅱ diabetes, Parkinson's disease, Huntington's disease and spongiform encephalopathy. | ||||||||||||||||||||
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- [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. [Content Brief]
- [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. [Content Brief]
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