Reactive orange 91

7-Aminonaphthalene-1,3,6-trisulfonic acid diazo, coupled with 1-(3-Aminophenyl)urea, and ?Cyanuric fluoride?and m-Toluidine?condensation.

bright yellow orange. Apply to cellulose fiber dyed and cold rolling pile of low temperature exhaust the dyeing, suitable for silk low temperature dyeing, also can be used for wool, polyamide, spandex. Solid color temperature 40-45 ℃, cold rolling pile of dyeing (25 ℃, 4 hours).

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO		5	5	5	5	4-5	5