What are the main uses of Alizarin (CAS: 72-48-0)?

Alizarin (CAS: 72-48-0) is primarily used as a pH indicator in laboratories, particularly in titration processes. It also serves as a precursor in the synthesis of other dyes and pigments, and finds applications in pharmaceuticals, cosmetics, and food industries as a coloring agent. Its chemical versatility makes it valuable in research and industrial settings for staining and analytical purposes.