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4-Amino-N-ethyl-N-(naphthalen-1-yl)benzarnide diazo, and 4-Benzamido-5-hydroxynaphthalene-1,7-disulfonic acid9coupling.

Properties and Applications

colourful red to blue light red. Soluble in water for red, moderate soluble in alcohol for product red. The strong sulfuric acid for product red, diluted into a peach. In water solution to join strong hydrochloric acid for product red; Add thick sodium hydroxide solution for orange brown

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

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CONIER CHEM AND PHARMA LIMITED		sales@conier.com	China	49979	58
Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20000	58
Shanghai JONLN Reagent Co., Ltd.	400-0066400 13621662912	422131432@qq.com	China	9979	55

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