CAS# 129-17-9

General Description: Water soluble dye in the Triphenylmethane family of colorants.  This dye is commonly used for the coloration of soaps, detergents, assorted industrial cleaning products, leather, inks, paper, cellulosic materials, silk, nylon fibers, wool, semi-permanent hair dyes, and color depositing shampoo and conditioners.

Type: Acid

Color: Blue

Number: 1

CAS#: 129-17-9

Color Index #: 42045

Appearance: Dark powder

Shade (In Solution): Blue

Solubility: Soluble in water

Lightfastness: 1 [AATCC; 8 is highest]

Usage Rate: Commonly used at 0.0001 – 1.0% by weight

pH Stability: Expected to be most stable in 5-11