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230251 Sigma-Aldrich

Eosin Y

Synonym: 2′,4′,5′,7′-Tetrabromofluorescein, Acid Red 87, Bromo acid J. TS, XL, or XX, Bromofluorescein, Bronze Bromo ES, Eosin yellowish, Solvent red 43

  • CAS Number 15086-94-9

  • Empirical Formula (Hill Notation) C20H8Br4O5

  • Molecular Weight 647.89

  •  Colour Index Number 45380:2

  •  EC Number 239-138-3

  •  MDL number MFCD00036189

  •  PubChem Substance ID 24853789

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Properties

Related Categories Cell Biology, E-F, Hematology and Histology, Stains & Dyes, A to Z, Stains and Dyes More...
InChI Key   DBZJJPROPLPMSN-UHFFFAOYSA-N
solubility   spirit: soluble
absorption   λmax 524 nm

Description

General description

Eosin Y is a xanthene dye and is used for the differential staining of connective tissue and cytoplasm. In histopathology, it is applied as a counterstain after hematoxylin and before methylene blue. It is also used as a background stain, thereby giving contrast to the nuclear stains.

Packaging

25 g in glass bottle

Application

Eosin Y has been used as a reagent in the preparation of Nigrosin-Eosin (NE) stain and is used in hematoxylin and eosin (H&E) staining technique to visualize alginate.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
LM5800000

Milli-Q® Water Purification Solutions

Biomedical Applications
Protocols & Articles
Peer-Reviewed Papers
15

References

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