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. Synonyms: Solvent Red 43, 2',4',5',7'-Tetrabromofluorescein, Acid Red 87, Bromofluorescein, Bronze Bromo ES, Eosin yellowish CAS No: 15086-94-9 Molecular Formula: C20H8Br4O5 Molecular Weight: 647.89 Appearance: Light orange powder Purity: 96% (Dye content) Solubility: Clear orange-yellow solution with fluoresence (0.1% in Methanol) Storage and Stability: May be stored at RT.
Molecular Weight:
647.89
Purity:
96% (Dye content)
Form:
Light orange powder
CAS Number:
[15086-94-9]
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