EOSIN B
Synonym(s):4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt;Acid Red 91;Eosin bluish;Eosin Scarlet;Saffrosine
- CAS NO.：56360-46-4
- Empirical Formula: C20H8Br2N2O9
- Molecular Weight: 580.09
- MDL number: MFCD00066762
- EINECS: 208-943-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:44:34
What is EOSIN B?
Chemical properties
orange powder
What are the applications of Application
Eosin B is a xanthene stain for biological research applications
Definition
ChEBI: A C-nitro compound which consists of a fluorescein skeleton substituted by bromo groups at positions 4 and 5 and nitro groups at positions 2 and 7.
Properties of EOSIN B
| Melting point: | 275 °C (dec.)(lit.) |
| Boiling point: | 663.6±55.0 °C(Predicted) |
| Density | 2.27±0.1 g/cm3(Predicted) |
| solubility | soluble |
| Colour Index | 45400 |
| pka | 5.98±0.20(Predicted) |
| form | Powder |
| color | Orange |
| PH Range | 1.4(colourless)-2.4(pink fluoresc.) |
| CAS DataBase Reference | 56360-46-4 |
Safety information for EOSIN B
Computed Descriptors for EOSIN B
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