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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
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Specification
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General
Description
| Article No. | 05625 | 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% |
Safety Information and Hazard Symbols
 |
Symbol: GHS05
Signal Word: Danger
Hazardous Statement: H318
Precaution Statement: P280-P305 + P351 + P338
Signal Word: Danger
Hazardous Statement: H318
Precaution Statement: P280-P305 + P351 + P338
Revision Date:Â 17-Jun-2024
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