
Ponceau 3R
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Ponceau 3R is a synthetic azo dye known for its bright red color. It is widely used in various industries, including food, cosmetics, and textiles, due to its color and excellent stability. It was used from 1908 to 1968. Chemical Composition and Structure Ponceau 3R is an azo dye, meaning it contains one or more azo groups (-N=N-) in its molecular...