Benzenesulfonic acid, 4-[[4-(nitrosophenylamino)phenyl]azo]-, nitro derivs.

4-Aminobenzenesulfonic acid diazo, with Diphenylamine coupling, using aqueous sodium nitrite processing, generation N-and the nitro derivatives, then nitrification, into one or two nitro (13090). Use aw processing C.I.Acid Orange 1 (C.I. 13090), make its part of the take off and the nitro (13091).

yellow orange.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	3	1	2	3	1	2	3	2
AATCC	3	3-4	3-4	3-4	3	3	5	5