Eosin Y, dye content 99%

: 2′,4′,5′,7′-Tetrabromofluorescein, Acid Red 87, Bromo acid J. TS, XL, or XX, Bromofluorescein, Bronze Bromo ES, Eosin yellowish, Solvent red 43

: E 2984

: 15086-94-9

: puriss

: C₂₀H₈Br₄O₅

: 99%

: 647.89

: Eosin Y is a brominated fluoroscein dye derivative used as an acidic red stain for cell cytoplasm.

: E 2984 (OTTO) Eosin Y, dye content 99% Cas 15086-94-9 - 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.