Caffeic acid is an organic acid, belonging to phenolic acid compounds, with the appearance of yellow crystal, its molecular formula C9H8O4, molecular weight 180.15, CAS No. 331-39-5, EINECS No. 206-361-2, soluble in hot water, cold ethanol, ethyl acetate, slightly soluble in cold water, its alkaline solution is orange red. Caffeic acid turns dark green when exposed to a solution of ferric chloride.
Caffeic acid is widely used in cosmetics, medicine, organic synthesis, biochemical research and other fields. Due to its wide range of antiviral activity and antibacterial properties, caffeic acid can be safely used in cosmetics, not only as an ingredient for whitening effect, but also as an additive for oxidizing hair fuels.
Caffeic acid is often used in the medical field for the prevention and treatment of bleeding in medicine and surgery, especially in the treatment of gynecological hemorrhagic diseases. In addition, radiotherapy, chemotherapy and other tumor diseases caused by leukocyte thrombocytopenia, primary thrombocytopenia, aplastic leukopenia and other symptoms also have a certain effect.