Ponceau 4R
Interesting Facts about Sodium 4-[4-[(2-hydroxy-1-naphthyl)azo]phenyl]azobenzenesulfonic Acid
This compound, often used in various industrial applications and scientific research, exemplifies the fascinating intersection of chemistry and color science. Also known as a diazo dye, its structure leads to vividly bright colors, which are utilized in a range of products, from textiles to food coloring. Here are some remarkable aspects of this compound: