Description: Propylene glycol is a dihydric alcohol with excellent hygroscopicity, low toxicity and good miscibility with water, alcohols and many solvents. It is widely used in industrial antifreeze, unsaturated polyester resins, solvents, humectants, heat transfer fluids and synthetic lubricants. It is combustible but not flammable under normal transport conditions, non-corrosive, and safe for general transport.