Ethyl Eosin
Name: Ethyl Eosin
CAS Registry Number: 6359-05-3
CA Index Name: Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, ethyl ester, potassium salt
Other Names: Ethyl eosin; Fluorescein, 2',4',5',7'-tetra-bromo-, ethyl ester, potassium derivative; Fluorescein, 2',4',5',7'-tetrabromo-, ethyl ester, potassium salt; C.I. 45386; C.I. Solvent Red 45; Ethyl eosine Y; NSC 8670; Spirit Eosine; Spirit Primrose DH
Merck Index Number: Not listed
Chemical / Dye Class: Xanthene
Molecular Formula: C22H11Br4KO5
Molecular Weight: 714.03
Physical Form: Red-brown crystals or powder
Solubility: Soluble in hot water; slightly soluble in ethanol
Melting Point: > 200 °C
Absorption (λmax): 532 nm
Synthesis: Synthetic method
Staining Applications: Cells; gelatin; lysosomes; mammalian tissues; mitochondria; neurons; nucleic acids; proteins; urine
Biological Applications: Drug delivery and tissue engineering; photodynamic therapy; dental materials; treating cancer, diabetes; wound dressing materials
Industrial Applications: Liquid crystal display device; lithographic printing plates; inks; recording materials; photographic materials; polymer waveguides
Safety / Toxicity: No data available
Certification / Approval: Certified by Biological Stain Commission (BSC)
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