Pyronin Y

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
Pyronin Y
Pyronin Y
Pyronin G
45005

Pyronin
Basic
8.96%
0.6%
545 (Gurr)
548 (Aldrich)
552 (Conn)
Red
C17H19N2OCl
302.8

Pyronin Y is used with methyl green to selectively demonstrate RNA (red) in contrast to DNA (green) with the Unna-Pappenheim method.

Compare the formula with other pyronins.

 

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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