Product overview

Name Eosin Y
Biological description

Eosin Y is a xanthene dye which stains the cytoplasm and connective tissue. It is suitable for counterstaining tissue after nuclear staining. It is a component of the H&E stain (Hematoxylin and eosin stain) which is one of the most commonly utilised histological tissue stains.

Purity >90%
Description Counterstain used in the H&E stain
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Eosin Y product vial image | Hello Bio

Solubility & Handling

Storage instructions +4°C
Solubility overview

Soluble in water (100 mM)

Important This product is for RESEARCH USE ONLY and is not intended for therapeutic or diagnostic use. Not for human or veterinary use.

Calculators

Molarity

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Dilution

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Chemical Data

Purity >90%
Chemical name 2′,4′,5′,7′-Tetrabromofluorescein
Molecular Weight 691.85
Chemical structure Eosin Y  [17372-87-1] Chemical Structure
Molecular Formula C20H6Br4O5.2Na
CAS Number 17372-87-1
PubChem identifier 11048
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+]
InChiKey SEACYXSIPDVVMV-UHFFFAOYSA-L
MDL number MFCD00005040
Appearance Red solid

References for Eosin Y

References are publications that support the biological activity of the product
  • Synthetic applications of eosin Y in photoredox catalysis.

    Hari DP et al (2014) Chem Commun (Camb) 50(51) : 6688-99.
  • The role of energy transfer in bioluminescence quenching by xanthene dyes.

    Gerasimova MA et al (2009) J Photochem Photobiol B 97(3) : 117-22.
  • Eosin Y-sensitized artificial photosynthesis by highly efficient visible-light-driven regeneration of nicotinamide cofactor.

    Lee SH et al (2009) Chembiochem 10(10) : 1621-4.

3 Item(s)