Direct Black 22
| Number C.AS | 6473-13-8 |
| Color Index | Direct Black 22 |
| Molecular Formula | 311 |
| Empirical formula | C44H32N13NA3O11S3 |
| EINECS | 229-326-3 |
| Number of Color Index | 35435 |
| Molecular weight | 1083.97g/ mol |
| Purity by HPLC | 90% minimum |
| Insolubles | 1 % maximum |
| Number C.AS | 6473-13-8 |
| Color Index | Direct Black 22 |
| Molecular Formula | 311 |
| Empirical formula | C44H32N13NA3O11S3 |
| EINECS | 229-326-3 |
| Number of Color Index | 35435 |
| Molecular weight | 1083.97g/ mol |
| Purity by HPLC | 90% minimum |
| Insolubles | 1 % maximum |
