Reactive Orange 4

2-Aminonaphthalene-1,5-disulfonic acid diazo, and?4-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acid? coupling, then condensation with?2,4,6-Trichloro-1,3,5-triazine?.

red light orange. Orange powder. In the water solubility is very good. For dyed wool red orange, iron ion had no effect on the color of this product

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	4	4-5	4	4-5( yellow )	4	4-5(5*100℃)