| 法定色素: | 赤色 ５０２号 Red No.502 |
| 一般名: | ポンソー３Ｒ Ponceau 3R |
| 分類: | |
| FDA名: | |
| CI#: | C.I.16155 |
| カラー#: | Food Red 6 |
| CAS#: | 3564-09-8 |
| CAS名: | |
| IUPAC名:1) | Disodium 3-hydroxy-4-(2,4,5-trimethylphenylazo)- 2,7-naphthalenesulfonate |
| IUPAC名:2) | 3-Hydroxy-4-(2,4,5-trimethylphenylazo)-2,7- naphthalenesulfonic acid disodium salt |
| IUPAC名:3) | |
| IUPAC名:4) | |
| 化学構造: |