Erythrosin B

Property Data
Common name
Suggested name
Other names
C.I. number
C.I. name
Class
Ionisation
Solubility aqueous
Solubility ethanol
Absorption maximum
 
 
Colour
Empirical formula
Formula weight
Erythrosin B
Erythrosin B

45430
Acid red 51
Fluorone
Acid
11%
1.8%
524 (Merck)
525 (Gurr)
524-527 (Conn)
Red
C20H6O5I4Na2
879.9

This dye is not commonly used in North America, although it is a perfectly satisfactory substitute for Eosin Y ws. In Europe it is used instead of Phloxine in the hematoxylin phloxine saffron (HPS) stain, which is the same as the hematoxylin erythrosine saffron (HES) method in Europe.

Compare the structural formulae of some eosin homologues.

 

Reference
R. D. Lillie.
Conn's Biological Stains
Williams & Wilkins, Baltimore, MD., U.S.A.

Aldrich chemical catalogue, 1992
Aldrich Chemical Company, Milwaukee, WI, USA.

Susan Budavari, Editor, (1996)
The Merck Index, Ed. 12
Merck & Co., Inc., Whitehouse Station, NJ, USA

Edward Gurr, (1971)
Synthetic dyes in biology, medicine and chemistry
Academic Press, London, England.

 


 

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