| Molecular Formula: C24H28ClN3 |
| Molecular Weight: 393.95 |
| Properties: Dark purple lump or powder; soluble in water, alcohols and trichloromethane; insoluble in aethers. |
| Use: As acid-base indicator, biological dye and aseptic; or used in pharmaceutical industry. |
| Storage and transport: closed tight and avoid light. |
| PH range |
0.15(yellow)-3.2(purple) |
| Ethanol solubility test |
Qualified |
| Drying loss |
≤7.5% |
| Residue on ignition(sulphates) |
≤1% |
