| acid red 18; C.I. 16255; C.I. acid red 18; cochineal red A; E124; food red 7; 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid trisodium salt; new coccin; ponceau 4R; 1-(4-Sulfo-1-naphthylazo)-2-hydroxy-6,8-naphthalenedisulfonic acid trisodium salt; 1'-(4-sulfo-1-naphthylazo)-2'-hydroxy-6',8'-naphthalenedisulfonic acid trisodium salt; trisodium 7-hydroxy-8-(4-sulfonato-1-naphthylazo)-1,3-naphthalenedisulfonate | |
| Links: | 🌍 Wikipedia |
| CAS RN: | [2611-82-7] |
| Formula: | C20H11N2Na3O10S3; 604.48 g/mol |
| InChiKey: | IVNZBWNBYXERPK-DZGBHZPSSA-K |
| SMILES: | [Na+].[Na+].[Na+].[O-][S](=O)(=O)c1cc2C=CC(=O)C(=N/Nc3ccc(c4ccccc34)[S]([O-])(=O)=O)c2c(c1)[S]([O-])(=O)=O |
| Use: | acid dye |
| Colour: | ⬤ |
