Auramine O

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
Auramine O
Auramine O

41000
Basic yellow 2
Diarylmethane
Basic
0.74%
4.49%
432, 380 (Conn)
434, 370 (Aldrich)
430 (Gurr)
Yellow
C17H22N3Cl
321.9

Auramine O is used as a fluorescent stain for demonstrating acid fast organisms in a method similar to the Ziehl Neelsen. It also can be used to make a fluorescent Schiff reagent.

 

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.

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

 


 

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