71902-15-3

2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, and ??7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. And Reactive Orange 78 chemical structure is the same.

bright orange. The appearance is bright orange powder. 30 ℃ in the solubility of water when for 300 g/L. This product can be in in cotton fabrics for discharge.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	5			5	5	5(70℃)