ACID BLUE 7
CAS# 3486-30-4

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, and for coloring leather, paper, cellulosic materials, silk, nylon, wool, and color depositing shampoo and conditioner.

Type: Acid

Color: Black

Number: 7

CAS#: 3486-30-4

Color Index #: 42080

Appearance: Dark blue powder

Shade (in solution): Blue

Solubility: Soluble in water

Lightfastness: 1 [AATCC; 8 is highest]

Usage Rate: Most commonly used at 0.0001 – 1.0% by weight

pH Stability: Expected to be most stable in pH 3-9 and outside of that pH level the dye may fade and/or discolor