Sulfamic acid,N-[(4-methoxyphenyl)methylene]-, potassium salt (1:1)

Preparation

N-(3-amino-4-methylphenyl)-N-ethylacetamide diazo, and 3-Chloro-4-(5-hydroxy-3-methyl-1H-pyrazol-1-yl)benzenesulfonic acid?coupling.

Properties and Applications

yellow. Soluble in water and ethanol for green light yellow. The strong sulfuric acid for green light yellow, diluted discoloration. In water solution to join strong hydrochloric acid for green light yellow; Add thick sodium hydroxide solution is still green light yellow. This applies to goods wool, silk dyeing, can be in wool fabric directly on printing. Levelness and discharge sex is very good.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	4-5	2	2-3	4	1		4