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Key Documents

199540

Sigma-Aldrich

Ethyl eosin

certified by the Biological Stain Commission

Synonym(s):

Eosin alcohol soluble, 2′,4′,5′,7′-Tetrabromoeosin ethyl ester potassium salt, Solvent Red 45

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About This Item

Empirical Formula (Hill Notation):
C22H11Br4KO5
CAS Number:
Molecular Weight:
714.03
Colour Index Number:
45386
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

grade

certified by the Biological Stain Commission

Quality Level

form

powder

composition

Dye content, 95%

λmax

532 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

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

InChI

1S/C22H12Br4O5.K/c1-2-30-22(29)10-6-4-3-5-9(10)15-11-7-13(23)18(27)16(25)20(11)31-21-12(15)8-14(24)19(28)17(21)26;/h3-8,27H,2H2,1H3;/q;+1/p-1

InChI key

UKZQEOHHLOYJLY-UHFFFAOYSA-M

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Suitability

Certified for use in the Stoval and Black method for demonstrating Negri bodies in the central nervous system of rabid animals.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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