CAS# 4129-84-4

General Description: Water soluble dye from the Triphenylmethane family of colorants.  This dye is commonly used for the coloration of industrial cleaning products, soaps and detergents, and for coloring nylon, wool, silk, paper, inks, anodized aluminum, and leather.  The dye is also used in semi-permanent hair dyes, color depositing shampoos and conditioners.

Type: Acid

Color: Violet

Number: 17

CAS#: 4129-84-4

Color Index #: 42650

Appearance: Dark violet powder

Shade (in solution): Violet

Solubility: Soluble in water

Lightfastness: 1 [AATCC; 8 is highest]

Usage Rate: Commonly used at 0.005 – 0.1% by weight of finished product. 

pH Stability: Expected to be most stable in pH 3-9