| Chemical Name | Direct Black 56 |
| C.I. No. | 34170 |
| CAS No. | 8003-57-4 |
| Synonyms | Atul Direct Light Fast Grey BR, Black TBRN, Dinamine Fast Grey BR, Direct Black Grey RLN, Direct Fast Black LBN, Direct Fast Grey LBN, Direct Fast Grey LBN, Direct Grey RLN, Hispaluz Grey BR, Saturn Grey LRN, Solius Grey 2R, Vicorect Black MB, Direct Grey L-8BR, Direct Light Fastness Grey LBN, Direct Light Fastness Grey LRN, Solar Grey 2R, Hispaluz Grey BR, Triamin Grey RLN, Pyrazol Grey RLN |
| Molecular Formula | C36H22N7Na3O10S3 |
| Molecular Weight | 877.77 |
An ISO 9001:2015 Certified Company
