sodium 5-[2-[5-chloro-2-(4-methylphenyl)sulfonyl-phenyl]hydrazinyl]-6-imino-4-oxo-naphthalene-2-sulfonate

Preparation

5-Chloro-2-tosylbenzenamine diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? in acid conditions coupled.

Properties and Applications

red. Purplish red powder, soluble in water, and in the 90 ° C of the water solubility of 90 g/L, its water solution for sauce color/levelness and white sex are good, dyeing, chromium copper ions in color shade darker; Meet iron ion colored light dark blue. This product used for wool, silk and polyamide fiber and its blended fabric dyeing and printing. It is also used in dyed yarn, knitting yarn and billet

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	5-6	4	3	4-5		2	4-5