Reactive blue 40

Preparation

2-Aminobenzene-1,4-disulfonic acid diazo, and 2-Amino-4-methylphenol coupling, its product to diazo, and 4-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation,then ammoniated.

Properties and Applications

red light navy blue.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	5-6	4-5	5			4-5	5