Eosin Y
SIAL/230251 - 75% (HPLC)
Synonym: 2′,4′,5′,7′-Tetrabromofluorescein; Acid Red 87; Bromo acid J. TS, XL, or XX; Bromofluorescein; Bronze Bromo ES; Eosin yellowish; Solvent red 43
CAS Number: 15086-94-9
Empirical Formula (Hill Notation): C20H8Br4O5
Molecular Weight: 647.89
EC Number: 239-138-3
MDL Number: MFCD00036189
Linear Formula: C20H8Br4O5
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 230251-25G
| λmax | 524 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| assay | 75% (HPLC) |
| color | orange to very dark orange |
| form | powder |
| InChI | 1S/C20H8Br4O5/c21-11-5-9- |
| InChI key | DBZJJPROPLPMSN-UHFFFAOYSA |
| Quality Level | 100  |
| SMILES string | Oc1c(Br)cc2c(Oc3c(Br)c(O) |
| solubility | spirit: soluble |
| storage temp. | room temp |
| Application: | Eosin Y has been used as a reagent in the preparation of Nigrosin-Eosin (NE) stain and is used in hematoxylin and eosin (H&E) staining technique to visualize alginate. |
| General description: | Eosin Y is a xanthene dye and is used for the differential staining of connective tissue and cytoplasm. In histopathology, it is applied as a counterstain after hematoxylin and before methylene blue. It is also used as a background stain, thereby giving contrast to the nuclear stains. |
| Packaging: | 25 g in glass bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 75% (HPLC) |
| Storage Temp. | room temp |
| Colour Index Number | 45380:2 |
| UNSPSC | 12171500 |