Product name:Acid Blue 83
CAS:6104-59-2
Molecular Formula:C45H44N3NaO7S2
Formula Weight:825.97
Specification:10g
Appearance:Dark bordeaux to dark purplish-brown cryst. powder
Boiling Point:174-180 °C
Flash Point:14 °C
Use:Used as staining agent.
Description:Acid Blue 83 is red and dark Blue powder, insoluble in cold water, slightly soluble in hot water, the aqueous solution is bright red and Blue, and the sodium hydroxide solution is purple when added. Slightly soluble in ethanol was brilliant blue, in concentrated sulfuric acid was orange red, diluted into blue.
After condensation of p-chlorobenzaldehyde with n-ethyl-n - (3' -sulfonated benzyl) aniline, it was oxidized with potassium dichromate and then condensed with p-aminophenyl ether.
Acid Blue 83 is used for dyeing wool, silk, nylon and other fabrics. It can also be used for dyeing leather, feather and other fabrics.