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PARAROSANILINE CHLORIDE Extra Pure C.I.No.42500 It is the only basic fuchsine component suitable for making the aldehyde-fuchsine stain for pancreatic islet beta cells Pararosaniline, Basic Red 9, p-Rosaniline, Para magenta, [4-[Bis(4-aminophenyl)methylidene]-1-cyclohexa-2,5-dienylidene]azanium chloride
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Description
| Article No. | 5129B | Grade | Extra Pure |
| Purity | 88% dye content | CAS No. | 569-61-9 |
| Molecular Formula | C19H18ClN3 | Molecular Weight | 323.83 |
| H.S. Code | 3204.1929 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Dark green | ||||
| Odour | Odorless | Melting point/ Freezing point [°C] | 268 – 270 °C | ||||
| Solubility in water [% weight] | Slightly soluble in water | Partition coefficient Log Pow octanol / water at 20°C | -0.21 | ||||
Specifications
| Appearance | Dark green crystalline powder | Dye content | Min 88% |
| Absorption maxima in 50% ethanol | 545 – 547 nm |
Safety Information and Hazard Symbols
 |
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H350
Precaution Statement: P201-P308 + P313
Signal Word: Danger
Hazardous Statement: H350
Precaution Statement: P201-P308 + P313
Revision Date:Â 05-Oct-2021
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