Cinnamic acid is an organic compound with the chemical formula C9H8O2. It is a colorless solid that has a sweet, balsamic odor and is found naturally in the essential oil of cinnamon and other plants. Cinnamic acid is used in the production of various flavors, fragrances, and pharmaceuticals. In addition to its applications in the food and cosmetic industries, cinnamic acid has been studied for its potential health benefits. Research suggests it may possess antioxidant and anti-inflammatory properties, making it of interest in the fields of nutrition and medicine.