Reactive brown 1 (C.I. 26440)

4-Aminobenzenesulfonic acid diazo, and 2-Aminobenzenesulfonic acid coupling, again diazo, and 5-Aminonaphthalene-2-sulfonic acid?and 8-Aminonaphthalene-2-sulfonic acid?coupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation, again with 2-Aminobenzenesulfonic acid condensation.

brown. Soluble in water, not sensitive to that fights

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