Skip to main content

Evans Blue

Evans Blue

Class: Azo
Ionisation: Acid

Chemical structure of Evans Blue

Common Name: Evans blue
Suggested Name: Evans blue
Other Names:

Azovan blue

C.I. Number: 23860
C.I. Name: Direct blue 53
Color: Blue
Solubility Aqueous: Soluble
Solubility Ethanol: Soluble
Absorption Maximum: 611
Empirical Formula: C34H24N6O14S4Na4
Formula Weight: 960.842

Description

This dye is listed as a teratogen by Aldrich. It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence.

References

  1. R. D. Lillie.
    Conn’s Biological Stains
    Williams & Wilkins, Baltimore, MD., U.S.A.
  2. Aldrich chemical catalogue, 1992
    Aldrich Chemical Company, Milwaukee, WI, USA.
  3. Susan Budavari, Editor,
    The Merck Index, Ed. 12
    Merck & Co., Inc., Whitehouse Station, NJ, USA