Acid Orange 67

Chemical Properties

Orange-red powder. Easily soluble in water, with its aqueous solution being orange.

Uses

Acid Orange 67 (CAS# 12220-06-3) is an organic azo dye used in the pigmentation of polyester blended fabrics. Acid orange 67 is also used as an analyte in the development of azo dye removal processes.

Preparation

4-(4-Aminophenylamino)-3-nitrobenzenesulfonic acid diazo, and a coupling m-Cresol, then use 4-Methylbenzene-1-sulfonyl chloride esterification.

Flammability and Explosibility

Non flammable

Properties and Applications

orange. Orange powder. Soluble in water, the water solution is orange. This product used for wool, silk, polyamide fiber dyeing and printing and direct blended fabric dyeing, used for loose hair, tops, silk, washing fastness is a bit poor. This product has a high affinity for neutral, medium light fastness and wet fastness, high fixation rate, good dyeability of flower lid, suitable for polyamide dyed in dark, also suitable for leather coloring.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	5-6	4	5	5	5		4
AATCC	4-5	5	5	5			5