Eosin Y is an acidic dye that dyes the cytoplasm pink (Eosin) and is one of the most common staining reagents for tissue and cytochemistry, often used in combination with hematoxylin (an alkaline dye that dyes the nucleus purplish blue (basophilic)) (HE staining).
Product Description
| EOSIN Basic information | |
| Product Name: | EOSIN |
| CAS: | 17372-87-1 |
| MF: | C20H6Br4Na2O5 |
| MW: | 691.85418 |
| EINECS: | 241-409-6 |
| EOSIN Chemical Properties | |
| Melting point | >300°C |
| density | 1.02 g/mL at 20 °C |
| Fp | 11 °C |
| storage temp. | Store at RT. |
| solubility | H2O: 0.1 g/mL, dark red |
| Colour Index | 45380 |
| form | Solid |
| pka | 2.9, 4.5(at 25ºC) |
| color | Reddish |
| PH | 9.2 (10g/l, H2O, 20ºC) |
| PH Range | 0(yellow)-3(green fluoresc.) |
| Water Solubility | freely soluble |
| λmax | 514nm |
| Merck | 143,603 |
| BRN | 3586809 |
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