Victoria blue R

Victoria blue R is a dye of the triarylmethane class with formula C₂₉H₃₂N₃Cl. It has a blue colour that changes to yellow at pH values below 1.

Physical data

Fastness
The dye exerts a high light fastness and washing fastness.
UV/VIS absorption
Victoria Blue R has an absorption peak of around 610 nm.

Extra reading

Category:Chlorides
Category:Triarylmethane dyes
Category:Dimethylamino compounds