Vat Orange 15

N-(5-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide and sulfuric acid reaction, then oxidation.

yellow orange. Orange red powder. Slightly soluble in Nitrobenzene, 1, 2, 3, 4-Tetrahydronaphthalene and Xylene, insoluble in Etanol. The strong sulfuric acid for green light blue, to orange diluted. Alkaline reduction for brown body hidden color; Acid reduction for dark yellow body hidden color. In dyeing and printing on use less, only for spell color. Can be used in viscose, silk, polyamide fiber dyeing, also can be used for paper, paint and plastic color, also can be used in the manufacture of ink.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	4	5	6	5	4-5	5	5
AATCC	5	5	6	5	5