| Chemical Name | ACID RED 33 |
| C.I. No. | 17200 |
| CAS No. | 3567-66-6 |
| Synonyms | ABCOL Azo Fuschine, Acetyl Red B, Acid Fuchsine, Acid Fuschine 38013, Acid Fuschine 90120, Acid Red 2A, Acid Red No 4, D&C Red 33, D&C Red 33 Aluminum Lake, D&C Red No 33 307002, D&C Red No. 33 38013, D&C Red No. 33 90120, D&C Red No. 33 Lake 308259, D&C Red No.33 W083, Fabracid Fuchsine S-B, Red IOB 307042, Romexal Red 2A, 5-amino-4-hydroxy-3-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic acid sodium salt (1:2); vermelho 33; rojo 33; rosso 33; 산 레드 33; 酸性红 33; 33 الأحمر الحمضي |
| Molecular Formula | C16H11N3Na2O7S2 |
| Molecular Weight | 467.39 |
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