Safranine For Microscopy
C.I. No 50240, Used as a counter stain in some staining protocols, coloring all cell nuclei red.
Basic Red 2, Cotton Red, Gossypimine, Safranin O, Safranin T, Safranin Y or A
Product Code. |
02271 |
Grade |
For Microscopy |
Purity |
Dye Content : Min 85% |
CAS No. |
477-73-6 |
Molecular Formula |
C20H19ClN4 |
Molecular Weight |
350.84 |
H.S.Code |
3204.13100 |
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 |
Packaging
Specification
| Appearance | Dark Greenish coloured powder |
| Absorption maxima | 530 - 534 nm |
| Absorptivity (A 1%/1cm; at lmax) | Min 875 |
| Ratio lmax.P+/-15 nm | 1.10 - 1.32 |
| Loss on dryig (at 110°C) | Max 15% |
Safety Information and Hazard Symbols
Symbol: GHS05
Signal Word: Danger
Hazardous Statement: H318
Precaution Statement: P280-P305 + P351 + P338