| Article No. | 04675 |
| Purity | |
| Molecular Formula | C15H15N3O2 |
| H.S. Code | 2927.0090 |
| Grade | AR |
| CAS No. | 493-52-7 |
| Molecular Weight | 269.31 |
| Shelf Life | 60 Months |
| Physical state at 20 °C | Solid | Colour | Dark red powder | ||||
| Odour | Odorless | Melting point/ Freezing point [°C] | 179°C | ||||
| Vapour density | 9.3 | Solubility in water [% weight] | Insoluble in water | ||||
| Appearance | Dark red to maroon to violet or purple powder or crystals | Identity | Passes test |
| pH transition range (4.2 - 6.2) | Pink Red – yellow orange | Insoluble matter in ethanol (1 g/L) | Passes test |
| Absorption maxima (buffer pH 4.2) | 523 - 526 nm | Absorption maxima (buffer pH 6.2) | 427 - 437 nm |
| Loss on drying (at 110°C) | Max 5.0% | Residue on ignition (as SO4) | Max 2.0% |
Safety Statement: 22-24/25