| Chemical Name. | Reactive Black 5 |
| C.I. No. | 20505 |
| CAS No. | 12225-25-1 |
| Synonyms | Reactive Black B |
| Molecular Formula | C26H21N5Na4O19S6 |
| Molecular Weight | 991.82 |
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| Chemical Name. | Reactive Black 5 |
| C.I. No. | 20505 |
| CAS No. | 12225-25-1 |
| Synonyms | Reactive Black B |
| Molecular Formula | C26H21N5Na4O19S6 |
| Molecular Weight | 991.82 |