| Commercial Name | Fast Blue B Base |
| Structure |  |
| CAS No | 119-90-4 |
| Molecular Weight | 244 |
| Molecular Formula | C14 H16N2 O2 |
| Appearance | Light Pinkish to Violet Crystalline Dry Powder |
| pH | 7.5-8.0 |
| Purity By NV | Min. 95.00% (On Dry Basis) |
| Solubility | Soluble In Dilute HCL |
| Insoluble In Tetrazo | Less Than 1.00% |
