Eosin Y, orange powder C.I. 45380:2

Supplier: MP Biomedicals

Synonyms: Acid Red 87, Tetrabromofluorescein, 2-(3,6-Dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)-benzoic acid, 2,4,5,7-Tetrabromofluorescein, Eosin yellowish, Solvent red 43, Bromofluorescein, Bromo acid J. TS, XL, or XX, CI 45380, Bronze Bromo ES, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-

0215792205 0215792225
ICNA0215792205EA 102 SGD
ICNA0215792205 ICNA0215792225
Eosin Y, orange powder C.I. 45380:2
Eosin Y

Eosin Y is a counterstain for hematoxylin.


It 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.


Soluble in water (0,8 mg/ml); ethanol (10 mg/ml); ethylene glycol monomethyl ether (methyl-cellosolve; EGME) (40 mg/ml).

Formula: C₂₀H₈Br₄O₅
MW: 647,89 g/mol
MDL Number: MFCD00036189
CAS Number: 15086-94-9

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