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Eosin Y Certified
Eosin Y Certified | 17372-87-1 | C20H6Br4O5•2Na | Molecular Weight 691.85 | Dawn Scientific. Explore this red fluorescent dye from the xanthene family.
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ADDITIONAL INFORMATION
Alternate Names | 2′,4′,5′,7′-Tetrabromofluorescein; Acid Red 87 |
Application | Eosin Y sodium salt is a red fluorescent dye from the xanthene family |
CAS Number | 17372-87-1 |
Molecular Weight | 691.85 |
Molecular Formula: | C20H6Br4O5•2Na |
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
Eosin Y, a red xanthene dye, has been noted to reduce the affinity of Mg2+-ATPase for ATP and increase the enzyme affinity for Mg2+ at concentrations of 10-50 μM. At higher concentrations near 100 μM the affinity for Mg2+-ATPase for the ion-activator has been shown to be reduced. This compound has also been reported to be a photosensitizer that works as a molecular photoelectrode via catalyzation of the visible-light-driven electron-transfer reaction. Eosin Y has been used to stain structures such as muscle, cytoplasm, and collagen. This agent also enhances fluorescent quenching abilities by forming a complex with polyvinulpyrrolidone.
TECHNICAL INFORMATION
Appearance | Powder |
Physical State | Solid |
Solubility | Soluble in water (40 mg/ml), alcohol (sparingly), methanol (slightly), ethanol (10 mg/ml), and Ethylene Glycol Monomethyl Ether (Methyl-cellosolve; EGME) (50 mg/ml). |
pH | 9.2 |
Storage | Store at 4° C |
Melting Point | >300° C |
Density : | 1.02 g/cm3 |
Refractive Index: | n20D ~1.84 (Predicted) |
IC50 : | Synthetic amyloid beta-42 oligomerization by ELISA: IC50 = 2.79 mM |
SAFETY INFORMATION
WGK Germany | 3 |
RTECS | LM5850000 |
PubChem CID | 11048 |
Merck Index | 14:3603 |
MDL Number | MFCD00005040 |
EC Number | 241-409-6 |
Beilstein Registry : | 3586809 |
SMILES : | C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].[Na+].[Na+] |
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