Eosin Y
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| MeSH | Eosine+Yellowish-(YS) |
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| Molar mass | 647.89052 |
| Appearance | Red powder |
| Density | 1.018 g·cm−3 |
| Melting point | Template:Chembox CalcTemperatures |
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Eosin Y, also called C.I. 45380[1][2] or C.I. Acid Red 87,[2][1] is a member of the triarylmethane dyes. It is produced from fluorescein by bromination.[3]
Use
Eosin Y is commonly used as the red dye in red inks.
It is commonly used in histology, most notably in the H&E (Haematoxylin and Eosin) stain.[1] Eosin Y is also widely used in the Papanicolaou stain (or Pap stain used in the Pap test) and the Romanowsky type cytologic stains.[1][2] It is also used as a photosensitizer in organic synthesis.[4]
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Eosin Y solution for staining microscopy slides.
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Eosinophilic staining, using eosin Y, compared to other patterns when using hematoxylin and eosin (H&E).
See also
References
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