| Chemical Name | Acid Brown 121 |
| C.I. No. | 33520 |
| CAS No. | 6487-04-3 |
| Synonyms | Acid Brown H, Acid Brown G, Corium Acid Dark Brown MG, Eniavel Dark Brown H, Indacid Brown H, Kemacid Brown [AA], Lerui Acid Brown GH |
| Molecular Formula | C28H16N8Na2O14S2 |
| Molecular Weight | 798.58 |
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