ACID RED 33
CAS# 3567-66-6

General Description: Water soluble dye in the Monoazo family of colorants.  This dye is commonly used for the coloration of assorted industrial cleaning products, soaps, detergents, wool, nylon fibers, silk, wood, biological stains, leather, shoe polish, semi-permanent hair dye, and color depositing shampoo and conditioner.

Type: Acid

Color: Red

Number: 33

Color Index #: 17200

CAS#: 3567-66-6

Appearance: Reddish-brown powder

Shade (in solution): Red

Solubility: Soluble in water

Lightfastness: 2-3 [AATCC; 8 is highest]

Usage Rate: Commonly used at 0.001 – 1.0% by weight

pH Stability: Expected to be most stable in pH 1-11