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: 2026-04-24 14:58:40
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
New Products
2-(2-Ethoxyphenoxy)ethyl bromide 1,3-Dibromo-2,2-dimethoxypropane 8-Bromo-7-(2-butynyl)-3-methyl xanthine 5-Chlorothiophene-2-carboxylic acid 8-Bromo-3-methyl xanthine Maleic hydrazide o-Anisaldehyde 4-Bromobenzaldehyde 3-Fluorobenzaldehyde 2-Chlorobenzaldehyde 3-Amino-3-(3-fluorophenyl)propanoic acid 1-Propyl-4-piperidone 2,3-Dihydro-5,6-dimethoxy-2-(4-piperidinylmethyl)-1H-inden-1-one hydrochloride 3-(4-Bromo-3-methyl-2-oxo-2,3-dihydro-1h-benzo[d]imidazol-1-yl)piperidine-2,6-dione 2-Fluoro-6-iodobenzoic acid 3-Pyridineacrylic acid 1-Boc-4-cyanopiperidine ethyl 2-oxo-2,3,9,10-tetrahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylate Vardenafil Bis-sulphonamide(Dimer) Nitroso Irbesartan N-Nitroso Nortriptyline Sulfonic acid Impurity 2-(p-Tolyl)acetaldehyde 2,2-dibromo-1-cyclopropyl-2-(2-fluorophenyl)ethan-1-oneRelated products of tetrahydrofuran
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