Merck
All Photos(1)

318906

Sigma-Aldrich

Eosin Y solution

5 wt. % in H2O

Synonym(s):
Acid red 87, Eosin yellowish solution, 2′,4′,5′,7′-Tetrabromofluorescein disodium salt
Empirical Formula (Hill Notation):
C20H6Br4Na2O5
CAS Number:
Molecular Weight:
691.85
Beilstein:
1443944
MDL number:
PubChem Substance ID:
NACRES:
NA.47

form

liquid

Quality Level

concentration

5 wt. % in H2O

density

1.015 g/mL at 25 °C

λmax

518 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].[O-]C(=O)c1ccccc1C2=C3C=C(Br)C(=O)C(Br)=C3Oc4c(Br)c([O-])c(Br)cc24

InChI

1S/C20H8Br4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2

InChI key

SEACYXSIPDVVMV-UHFFFAOYSA-L

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General description

Eosin Y, also known as Eosin yellowish is a widely used xanthene dye. It is a counterstain that is used to distinguish between various connective tissue fibers & matrices, and the cytoplasm of different types of cells. Eosin in combination with hematoxylin is useful to demonstrate the general histological architecture of a tissue.

Application

Eosin Y is suitable for use in hematoxylin and eosin (H&E) staining procedures for various tissue samples like lung nodule and kidney sections.

Packaging

500 mL in glass bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Skin Sens. 1

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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