Description
| CAS | 1239-45-8 |
| Molecular Formula | C21H20BrN3 |
| Molecular Weight | 394.32 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Dark red crystals |
| pH Value | 4 – 7 at 25 °C | Melting Point/ Freezing Point [°C] | 260 – 262 °C |
| Specifications | |||
| Appearance | Dark red to reddish purple crystalline powder | Assay (By Hclo4 Titration; On Anhydrous Basis) | Min 98% |
| Absorption Maxima (0.005% in Methanol) | 524 – 527 nm | Specific Absorptivity A1M, (Max; 0.005% in Methanol, On Dried Subs.) | 155 – 165 |
| Loss On Dryig (At 130°C; 4 Hrs) | Max 7% | Solubility (10 Mg/Ml in Water) | Clear red to dark red solution |
| Dangerous Goods Information | |||
| UN Number | 2811 | DG Class | 6.1 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS06, GHS08 |
| Signal Word | Danger |
| Hazard Statement | H302-H330-H341 |
| Precaution Statement | P260-P281-P284-P310 |















