ACID BLUE 40
CAS# 6424-85-7
General Description: Water soluble dye in the Anthraquinone family of colorants. This dye is commonly used in soaps, detergents, assorted industrial cleaning products, and for coloring leather, paper, cellulosic materials, silk, nylon, and wool.
Type: Acid
Color: Blue
Number: 40
CAS#: 6424-85-7
Color Index #: 62125
Appearance: Dark powder
Shade (in solution): Blue
Solubility: Soluble in Water
Lightfastness: 4-6 [AATCC; 8 = highest]
Usage Rate: Commonly used at 0.0005 – 0.1% by weight
pH Stability: Expected to be most stable in pH 3-11
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