Ponceau 4R
Ponceau 4R is a synthetic colourant that may be used as a food colouring.
| Trivial name | Acid Red 18; New Coccine |
| Catalog Number | CSN11547 |
| Alternative Name(s) | Acid Red 18; New Coccine |
| Research Area | / |
| Molecular Formula | C20H11N2Na3O10S3 |
| CAS# | 2611-82-7 |
| Purity | 85% |
| SMILES | O=S(C1=C2C(/N=N/C3=C4C=CC=CC4=C(S(=O)([O-])=O)C=C3)=C(O)C=CC2=CC(S(=O)([O-])=O)=C1)([O-])=O.[Na+].[Na+].[Na+] |
| Size | 1g |
| Supplier Page | https://www.csnpharm.com/products/ponceau-4r.html |