CAS# 3087-16-9

General Description: Water soluble dye in the Triphenylmethane family of colorants.  This dye is commonly used for the coloration of assorted industrial cleaning products, soaps detergents, silk, wool, nylon fibers, leather, shoe polish, wood, and paper.   This dye is compliant for use in assorted foods and drugs in the European Union, and is also sometimes referred to as “Food Green 4” or “Green S.”

Type: Acid

Color: Green

Number: 50

CAS#: 3087-16-9

Color Index #: 44090

Appearance: Dark powder

Shade (in solution): Blue-green

Solubility: Soluble in water

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

Usage Rate: Commonly used at 0.0001 – 0.2% by weight

pH Stability: Expected to be most stable in pH 3-7