Alkali blue 5B

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
Alkali blue
Alkali blue 5B
Alkali blue 4B
42750
Acid blue 110
Triarylmethane
Acid
9%
0.9%
603 (Aldrich)
Blue
C32H28N3NaO4S
573.65

Alkali blue is one of only a few dyes used in microscopy which are afterchromed with a mordant. It is used in a method for elastic fibres. The dye has poor light fastness.

 

Reference
Green, F (1990)
The Sigma-Aldrich handbook of stains, dyes and indicators
Aldrich Chemical Company, Milwaukee, Wisconsin, USA

Horobin R W & Kiernan J A, (2002)
Conn's Biological Stains, 10th ed.
BIOS Scientific Publishers, Oxford, UK

 


 

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