Eosin Y (yellowish), red powder C.I. 45380

Supplier: MP BIOMEDICALS (FKA ICN BIOMED
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Synonyms: Tetrabromofluorescein disodium saltEosin Y disodium saltEosin 2252′,4′,5′,7′-Tetrabromofluorescein disodium saltSolvent Red 43Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoateDisodium 2',4',5',7'-tetrabromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)Field's Stain B2,4,5,7-Tetrabromofluorescein disodium salt

0215247183 0215247180 0215247125
IC15247183EA 261.76 USD
IC15247183 IC15247180 IC15247125
Eosin Y (yellowish), red powder C.I. 45380
Eosin Y (yellowish)

Counterstain for hematoxylin.


Eosin Y disodium salt is used in combination with Azure II to show morphological details of marrow cells; buffered Azure A/Eosin Y method for demostrating cell granules, microorganisms and nuclei; for showing insect musculature; for demonstrating cells infected with mosquito-iridescent virus; use in combination with Alum Hematoxylin/Azure II to show mast cells, early necrobiotic changes in cells and protozoans, rickettsias and bacteria in tissues; to demonstrate volutin granules in any microorganism; Bond's modification of Mann's Eosin-Methyl Blue for Negri bodies in smears; Harris stain for Negri bodies in smears; Mann's method for staining Negri bodies in sections; Gridley's stain for Endamoeba in tissue sections; a modified methenamine-silver nitrate method for the demonstration of Endamoeba in sections. It is used as a counterstain for hematoxylin.


Soluble in water (40 mg/mL); ethanol (10 mg/mL); Ethylene Glycol Monomethyl Ether (Methyl-cellosolve; EGME) (50 mg/mL).


Caution: Research Use Only (RUO).

Formula: C₂₀H₆Br₄Na₂O₅
MW: 691.86 g/mol
MDL Number: MFCD00005040
CAS Number: 17372-87-1

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Specification Test Results

UV Visible Absorbance λ max 515 - 518 nm

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