| Chemical Name | Direct Blue 23 |
| C.I. No. | 24405 |
| CAS No. | 6771-79-5 |
| Synonyms | Naphthamine Blue TBF |
| Molecular Formula | C40H29N6Na3O13S3 |
| Molecular Weight | 966.86 |
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| Chemical Name | Direct Blue 23 |
| C.I. No. | 24405 |
| CAS No. | 6771-79-5 |
| Synonyms | Naphthamine Blue TBF |
| Molecular Formula | C40H29N6Na3O13S3 |
| Molecular Weight | 966.86 |