CAS# 72243-90-4

General Description: Water soluble dye from the Anthraquinone family of colorants.  This dye is commonly used for the coloration of industrial cleaning products, soaps and detergents, and for coloring nylon, wool, silk, and leather.

Type: Acid

Color: Violet

Number: 48

CAS#: 72243-90-4

Appearance: Blue-violet powder

Shade (in solution): Violet

Solubility: Soluble in water

Lightfastness: 6-7 [AATCC; 8 is highest]

Usage RateCommonly used at 0.005 – 0.5% by weight of finished product.  

pH Stability: Expected to be most stable in pH 1-11.  In pH > 11 the dye tends to fade.