Name:C.I.Mordant Blue 82,C.I.20460
Molecular Structure: Double azo class
Molecular Weight: 616.49
CAS Registry Number:5850-35-1
Manufacturing Methods : M-nitroaniline diazotization, in alkaline condition and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, aniline and diazotization, under acid condition and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid Amino ortho-position coupling.
Properties and Applications: green navy blue. Soluble in water for navy blue, soluble in soluble fiber element, soluble in ethanol. In concentrated sulfuric acid to blue light green, blue precipitation after dilution. Dye aqueous solution to join 10% sulfuric acid as light blue; Add 10% sodium hydroxide solution for purple.
|Standard||Ironing Fastness||Light Fastness||Fulling||Persperation Fastness||Soaping||Water|
List of Suppliers:
Bemachrome Blue G( Berncolors-Poughkeepsie Inc )
Chrome Blue G( Global Colors Inc. )