Product name: Emodin Original plant:Rheum palmatum root CAS number:518-82-1 Assay (by HPLC):50% 95% 98% Molecular Formula: C15H10O5 Molecular Weight: 270.23 Melting point:258℃~259℃ Solubility: Soluble in alcohol, and slightly in the Ether, Chloroform, Benzene, not dissolving in water. It reveals the cherry-red in the caustic alkali aqueous solution, the sodium carbonate solution or the ammonia solution. Pharmacology:Emodin performances very strong bacteriostasis properties, it functions mainly via inhibiting the biosynthesis of nucleic acid and bacteria's breath process. Pakage:25kg/bag