Cinnamic acid is an organic compound with the chemical formula C9H8O2. It is a colorless solid that has a sweet, balsamic odor and is commonly found in the essential oils of various plants, particularly in the bark of the cinnamon tree. Cinnamic acid is used in the production of flavors, fragrances, and as a precursor for various chemical syntheses. In addition to its industrial applications, cinnamic acid has potential health benefits. It exhibits antioxidant properties and may have anti-inflammatory effects. Research is ongoing to explore its role in traditional medicine and its potential use in pharmaceuticals, particularly in relation to cancer and diabetes management.