318906
Eosin Y solution
5 wt. % in H2O
Synonym(s):
2′,4′,5′,7′-Tetrabromofluorescein disodium salt, Acid red 87, Eosin yellowish solution
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About This Item
Empirical Formula (Hill Notation):
C20H6Br4Na2O5
CAS Number:
Molecular Weight:
691.85
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1443944
form
liquid
Quality Segment
concentration
5 wt. % in H2O
color
red to very dark red
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
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.
signalword
Warning
hcodes
Hazard Classifications
Skin Sens. 1
Storage Class
12 - Non Combustible Liquids
wgk
WGK 3
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