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Red No.503
| Legal color: | Red No.503 | | General name: | Ponceau R | | Class: | | | FDA : | | | CI #: | C.I. 16150 | | Color #: | Acid Red 26 | | CAS #: | 3761-53-3 | | CAS : | 2,7-Naphthalenedisulfonic acid,4-[(2,4-dimethylphenyl)azo]-3-hydroxy-,disodium salt | | IUPAC: | →1;Disodium 3-hydroxy-4-(2,4-dimethylphenylazo)-2,7-naphthalenesulfonate
→2;3-Hydroxy-4-(2,4-dimethylphenylazo)-2,7-naphthalenesulfonic acid disodium salt |
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