Rosolic acid, a natural chemical compound, is renowned for its vibrant color and numerous applications in various industries. The search for synonyms that encompass its properties leads to alternative names, including aurin, corallin, resorcinol phthalein, and coralline. These synonyms are derived from the compound's impressive dyeing capabilities and versatile usage in the textile, pharmaceutical, and cosmetic industries. Rosolic acid's synonyms aptly reflect its vibrant coloration and its potential use as a pH indicator due to its characteristic color changes. Whether referred to as aurin, corallin, resorcinol phthalein, or coralline, this compound's synonyms highlight its significance and versatility in multiple sectors.