Eosin Y, dye content 99%
Eosin Y, dye content 99% (CAS 15086-94-9) supplier Zemixal: C20H8Br4O5, COA and SDS with every lot, worldwide shipping. Packs from 5 g.
About Eosin Y, dye content 99%
Researchers and plant chemists source Eosin Y, dye content 99% from Zemixal for routine and specialised work. For your records (Puriss), the material is defined by CAS 15086-94-9, formula C20H8Br4O5 and molar mass 647.9 g/mol. Typical appearance is light red to red and pink powder.
Use cases we see most often
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Handling and storage
Solubility: clear to very hazy. It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.
Available as 5 g, 25 g, 100 g and 1 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Applications
Specifications and identifiers
| Product name | Eosin Y, dye content 99% |
|---|---|
| Catalogue number | ZX-000557 |
| CAS number | 15086-94-9 |
| IUPAC name | 2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one |
| Molecular formula | C20H8Br4O5 |
| Molar mass | 647.9 g/mol |
| Exact mass | 647.7064 |
| Grade | Puriss |
| Purity / assay | 99% |
| Physical form | Powder |
| Appearance | Light red to red and pink powder |
| Solubility | Clear to very hazy |
| XLogP3 | 6.2 |
| H-bond donors / acceptors | 2 / 5 |
| Topological polar surface area | 76 Ų |
| HS code | 32041200 |
| InChIKey | DBZJJPROPLPMSN-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)Br)O)Br)Br)O)Br |
| PubChem CID | 27020 |
| Synonyms | 2′,4′,5′,7′-Tetrabromofluorescein, Acid Red 87, Bromo acid J. TS, or XX, Bromofluorescein, Bronze Bromo ES, Eosin yellowish, Solvent red 43, 2',4',5',7'-Tetrabromofluorescein, C.I. Solvent Red 43, 3,6-Dihydroxy-2,4,5,7-tetrabromospiro(xanthene-9,3'-phthalide), Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy- |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Eosin Y, dye content 99%
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