CAS# 12220-28-9

General Description: Water soluble dye from the Xanthene family of colorants.  This dye is commonly used for the coloration of assorted industrial cleaning products, soaps, detergents, degreasers, water soluble adhesives, inks, wool, nylon, and silk. 

Type: Acid

Color: Red

Number: 289

CAS#: 12220-28-9

Color Index #: 45110

Appearance: Deep red powder

Shade (in solution): Pinkish red

Solubility: Soluble in water

Lightfastness: 4-5 [AATCC; 8 is highest]

Usage Rate: Commonly used at 0.00001 – 1.0% by weight

pH Stability: Commonly used in pH 1-13