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赤色 503号 Red No.503
| 法定色素: | 赤色 503号 Red No.503 |
| 一般名: | ポンソーR Ponceau R |
| 分類: | |
| FDA名: | |
| CI#: | C.I. 16150 |
| カラー#: | Acid Red 26 |
| CAS#: | 3761-53-3 |
| CAS名: | 2,7-Naphthalenedisulfonic acid,4-[(2,4-dimethylphenyl) azo]-3-hydroxy-,disodium salt |
| IUPAC名:1) | Disodium 3-hydroxy-4-(2,4-dimethylphenylazo)- 2,7-naphthalenesulfonate |
| IUPAC名:2) | 3-Hydroxy-4-(2,4-dimethylphenylazo)-2,7- naphthalenesulfonic acid disodium salt |
| IUPAC名:3) | |
| IUPAC名:4) | |
| 化学構造: | |
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