Acid Orange 127

3-Aminobenzenesulfonic acid diazo, and Naphthalen-1-amine coupling, product to diazo, coupled with phenol, then will the phenol hydroxyl into b oxygen radicals.

red light orange. Red orange powder, soluble in water, in 90 ℃ water solubility of 100 g/L. This applies to goods polyamide fiber fabric dyeing, can make discharge printing to color but to pull white, the color fastness is better.

Standard(Polyamide)	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO		5		5			5