| Chemical Name | Direct Blue 2 |
| C.I. No. | 22590 |
| CAS No. | 2429-73-4 |
| Synonyms | Black BT, Blue BH, Direct Black BH |
| Molecular Formula | C32H21N6Na3O11S3 |
| Molecular Weight | 830.71 |
| Chemical Name | Direct Blue 2 |
| C.I. No. | 22590 |
| CAS No. | 2429-73-4 |
| Synonyms | Black BT, Blue BH, Direct Black BH |
| Molecular Formula | C32H21N6Na3O11S3 |
| Molecular Weight | 830.71 |