4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid and 2,4,6-Trichloro-1,3,5-triazine condensation, 2-Aminobenzenesulfonic acid diazo, and condensation products coupled, again with 2-Aminobenzenesulfonic acid condensation and salting-out.
Properties and Applications
red. Big red powder. In the thick and thin sulfuric acid or nitric acid are all the red. Water solution is red, with 1 Moore sodium hydroxide solution into big red, continue to join insurance powder and warm, to golden yellow, add a boric acid sodium into light yellow. Can be used for cotton, wool, silk viscose, and fabric dyeing and printing, suitable for contaminated, roll the dye and knot dyeing, printing suitable for direct, the discharge printing and dyeing.
