Product name:Acid Blue 90
CAS:6104-58-1
Molecular Formula:C47H48N3NaO7S2
Formula Weight:854.02
Specification:10g
Appearance:dark blue-violet-brown crystalline powder
Melting Point:100 °C
Flash Point:11 °C
Use:Used as disperse dye.
Description: Acid Blue 90 is dark brown powder, slightly soluble in cold water, dissolved in hot water, the aqueous solution is bright Blue, add sodium hydroxide solution becomes purple, soluble in ethanol is bright Blue, in concentrated sulfuric Acid is blood red, diluted orange red.
Acid Blue 90 is used for dyeing wool, silk and nylon with bright color, good wet treatment fastness and poor sun fastness. Wool fabrics are rarely used. It is also used for direct printing of wool, silk and nylon fabrics, as well as coloring of leather and paper.