Propylene carbonate is a colorless, odorless flammable liquid. It is miscible with acetone, benzene, chloroform, vinyl acetate, etc., and soluble in water. It has a strong carbon dioxide absorption capacity and stable properties. Industrially, it is produced by the addition of propylene oxide and carbon dioxide under certain pressure, followed by減壓蒸餾. It can be used as an oil solvent, spinning solvent, olefin and aromatic hydrocarbon extractant, carbon dioxide absorbent, dispersant for water-soluble dyes and pigments, etc.