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Fluorescein sodium salt | 518-47-8
| Catalog Number | A17-0084 |
| Category | Fluorescent Proteins, Nucleotides & Other Conjugates |
| Molecular Formula | C20H10O5Na2 |
| Molecular Weight | 376.27 |
| Catalog Number | Size | Price | Quantity |
|---|---|---|---|
| A17-0084 | -- | $-- |
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Product Introduction
Fluorescein sodium salt is a water-soluble fluorescent dye used to study blood barrier penetration as well as a solute to study microvessel permeability.
Chemical Information |
|
|---|---|
| Related CAS | 2321-07-5 (free acid) |
| Synonyms | Acid Yellow 73; Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-, sodium salt; 3',6'-dihydroxy-spiro[isobenzofuran-1(3H),9'-Fluorescein[9H]xanthen]-3-one, disodium salt; Uranin; Disodium Fluorescein; Uranine; Obiturine |
| Purity | >95% |
| IUPAC Name | disodium;2-(3-oxido-6-oxoxanthen-9-yl)benzoate |
| Canonical SMILES | C1=CC=C(C(=C1)C2=C3C=CC(=O)C=C3OC4=C2C=CC(=C4)[O-])C(=O)[O-].[Na+].[Na+] |
| InChI | InChI=1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24;;/h1-10,21H,(H,23,24);;/q;2*+1/p-2 |
| InChI Key | NJDNXYGOVLYJHP-UHFFFAOYSA-L |
| Solubility | Soluble in Methanol (Sparingly), Water (Slightly) |
| Density | 1.601 g/cm³ (20°C) |
| Appearance | Orange to Very Dark Red Solid |
| Melting Point | >230°C (dec.) |
| LogP | 4.54220 |
- Product Specification
| Excitation | 490 nm |
| Emission | 514 nm |
| Storage | Store at -20°C under inert atmosphere |
Applications of Fluorescent Probes & Dyes
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