КИСЛОТА ЖЕЛТАЯ 29

Подготовка

3-Aminobenzenesulfonamide diazo, and 4-Chloro-3-(3-methyl-5-oxo4,5-dihydropyrazol-1-yl)benzenesulfonic acid?coupling.

Свойства и приложения

yellow. Soluble in water for yellow, cooling solution is to mix, soluble in ethanol and acetone, insoluble in toluene. The strong sulfuric acid for yellow, diluted no precipitation. In the rare hydrochloric acid in aqueous solution to color; Join rare sodium hydroxide solution discoloration. Used for wool, silk, vinegar and polyamide fiber dyeing. But in the wool and silk printing directly on, also can used for leather color.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	6-7	2	4-5	4	1	1	4
AATCC	5-6	4-5	4-5	4-5			4