Mordant Yellow 26

Preparation

2,2′-Disulfo-4,4,diaminobibenzene double nitrogen, and 2-Hydroxybenzoic acid(2 Moore) coupling.

Properties and Applications

dark yellow. Soluble in water for yellow, slightly soluble in Etanol and Cellosolve and Acetone, insoluble in other organic solvent. In concentrated sulfuric acid to red light yellow to orange, dilution after light green light yellow, In concentrated nitric acid for yellow solution. Dye aqueous solution and concentrated hydrochloric acid for green yellow; Sodium hydroxide solution with strong for golden orange.

Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
			Alkali	Acid
AATCC	Dry 3 wet 5	7	4		5,2	4	5