Propylene Glycol Liquid is a versatile compound that finds applications in various industries. It is a colorless, odorless, and viscous liquid with a density of 1.036 g/cm3. The liquid has a boiling point of 188.2 Degree C and a melting point of -59 Degree C. Propylene Glycol is used as a solvent, emulsifier, and humectant in the food, pharmaceutical, and cosmetic industries. It is also used as a coolant and antifreeze agent in the automotive industry. The liquid is hygroscopic, which means it can absorb moisture from the environment, making it an ideal ingredient for products that require long shelf life. Propylene Glycol Liquid is non-toxic and considered safe for human consumption.