SAFRANINE
SAFRANINE
| Article No. | 543903 |
| Grade | For Microscopy |
| Purity | – |
| CAS No. | 477-73-6 |
| Molecular Formula | C20H19ClN4 |
| Molecular Weight | 350.84 |
| H.S. Code | 3204.1310 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | Dark reddish brown |
| Odour | Pungent odour |
| Melting point/ Freezing point [°C] | >240°C |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | Dark Greenish coloured powder |
| Absorption maxima (50% ethanol) | 525 – 535 nm |
| Absorptivity (A 1%/1cm; at λmax) | Min 875 |
| Absorbance ratio (A λmax -15 nm/ A λmax +15 nm) | 1.10 – 1.32 |
| Loss on drying (at 110°C) | Max 15% |
| Packings | 25 gm -100gm |
