Cinnamic acid CAS#: 621-82-9 Molecular Formula: C9H8O2 Assay: 99% min Fragrance: Unique scent Appearance: White to light yellow crystal powder Packing: 25KG/ kraft bag Place of origin: China Usage: Cinnamic acid is an important organic synthesis intermediate extensively used in fine chemicals such as perfumes, foods, cosmetics, pharmaceuticals, pesticides, plastics and photosensitive resins. Every year the company produces 2000 tons cinnamic acid.