Eosin Y (yellowish), powder, certified by the Biological Stain Commission, Sigma-Aldrich®

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

200-12 200-16 200-12 200-16
34172-002EA 232.35 USD
34172-002 CA34172-002 CA11214-840 11214-840
Eosin Y (yellowish), powder, certified by the Biological Stain Commission, Sigma-Aldrich®
Eosin Y (yellowish)

Used as a counterstain for hemotoxylin and as a constituent of Wright Stain.


Certified by the Biological Stain Commission (BSC)

Formula: C₂₀H₆Br₄Na₂O₅
MW: 691.86 g/mol
Melting Pt: 295 - 296 °C
Storage Temperature: Ambient
MDL Number: MFCD00005040
CAS Number: 17372-87-1

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