Eosine blue
Order Eosine blue (CAS 548-24-3) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.
About Eosine blue
Researchers and plant chemists source Eosine blue from Zemixal for routine and specialised work. For your records (Microscopy), the material is defined by CAS 548-24-3, formula C20H6Br2N2Na2O9 and molar mass 624.1 g/mol. Expect powder.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Storage and safety notes
Classified under GHS with signal word Danger and hazard statements H318. Read the SDS before first use.
Available as 25 g, 100 g, 500 g, 1 kg and 4 x 25 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Applications
Specifications and identifiers
| Product name | Eosine blue |
|---|---|
| Catalogue number | ZX-000558 |
| CAS number | 548-24-3 |
| IUPAC name | disodium;4',5'-dibromo-2',7'-dinitro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate |
| Molecular formula | C20H6Br2N2Na2O9 |
| Molar mass | 624.1 g/mol |
| Exact mass | 623.8215 |
| Grade | Microscopy |
| Physical form | Powder |
| Appearance | Powder |
| H-bond donors / acceptors | 0 / 9 |
| Topological polar surface area | 173 Ų |
| HS code | 32049000 |
| InChIKey | QGAYMQGSQUXCQO-UHFFFAOYSA-L |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)[N+](=O)[O-])[O-])Br)Br)[O-])[N+](=O)[O-].[Na+].[Na+] |
| PubChem CID | 12961637 |
| Synonyms | 4',5'-Dibromo-2',7'-dinitrofluorescein disodium salt, Acid Red 91, Eosin Scarlet, Eosin bluish, Saffrosine, Eosin B sodium salt, C.I. Acid Red 91, Bluish, Eosine, Eosine BN, Eosin BA, Dibromodinitrofluorescein sodium, Eosine BA |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H318Causes serious eye damage
Precautionary statements P264 + P265, P280, P305 + P354 + P338, P317
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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