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Merck

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:
17372-87-1
Molecular Weight:
691.85
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24858876
MDL number:
MFCD00005040
Beilstein/REAXYS Number:
1443944

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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

SMILES string

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

InChI key

SEACYXSIPDVVMV-UHFFFAOYSA-L

form

liquid

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

Quality Level

100

Related Categories

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.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317

Hazard Classifications

Skin Sens. 1

Storage Class

12 - Non Combustible Liquids

wgk

WGK 3

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS7679
SHBR0382
SHBS2531
SHBQ4346
SHBP1765

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Peter A Raven et al.
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Journal of cachexia, sarcopenia and muscle, 10(3), 662-686 (2019-03-28)
One of the principles underpinning our understanding of ageing is that DNA damage induces a stress response that shifts cellular resources from growth towards maintenance. A contrasting and seemingly irreconcilable view is that prompting growth of, for example, skeletal muscle
Han Shih et al.
Macromolecular rapid communications, 34(3), 269-273 (2013-02-07)
The utility of visible-light-mediated polymerization in tissue engineering has been limited due to the necessary use of potentially cytotoxic coinitiator and comonomer. Here, we report a visible-light-mediated thiol-ene hydrogelation scheme using eosin-Y as the only photoinitiator. Under visible light exposure
Jie Du et al.
Fish & shellfish immunology, 34(1), 315-323 (2012-11-28)
Freshwater prawn Macrobrachium rosenbergii inoculated with 100 μl novel pathogen spiroplasma strain MR-1008 in logarithmic phase (10(8) spiroplasmas ml(-1)) were examined for alkaline phosphatase (AKP) activity, acid phosphatase (ACP) activity, superoxide dismutase (SOD) activity, catalase (CAT) activity, as well as
Patricia S Nielsen et al.
Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, 26(3), 404-413 (2012-11-24)
Cellular proliferation is correlated with the progression of melanoma. Accordingly, the proliferation index of H&E-stained thin melanomas was recently included in the staging system of the American Joint Committee on Cancer. Yet, the immunohistochemical markers of proliferation phosphohistone H3 and
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