Ponceau S

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
Ponceau S
Ponceau S

27195

Azo
Acid
Soluble

520, 352
Red
C22H12N4O13S4Na4
760.6

Ponceau S has been recommended as a substitute for acid fuchsin in Van Gieson's method for collagen. It fades less than acid fuchsin, but does not demonstrate fine fibres as well

 

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.

 


 

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