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Eosin Y

SIAL/230251 - 75% (HPLC)

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
EC Number: 239-138-3
MDL Number: MFCD00036189
Linear Formula: C20H8Br4O5
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-230251-25G 25 g
$174.00
1/EA
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 230251-25G

 

λmax 524 nm
application(s) diagnostic assay manufacturing
hematology
histology
assay 75% (HPLC)
color orange to very dark orange
form powder
InChI 1S/C20H8Br4O5/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20/h1-6,25-26H
InChI key DBZJJPROPLPMSN-UHFFFAOYSA-N
Quality Level 100 
SMILES string Oc1c(Br)cc2c(Oc3c(Br)c(O)c(Br)cc3C24OC(=O)c5ccccc45)c1Br
solubility spirit: soluble
storage temp. room temp
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.
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
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 75% (HPLC)
Storage Temp. room temp
Colour Index Number 45380:2
UNSPSC 12171500

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