Propylene Glycol (PG)
Propylene glycol (chemical formula C₃H₈O₂) is a colorless, odorless, viscous polar organic compound with low toxicity and excellent solubility.
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▎Core Properties
Appearance: Transparent viscous liquid, miscible with water, ethanol, and most organic solvents.
Safety: Low toxicity, recognized as a safe additive in food, cosmetics, and pharmaceuticals.
Stability: Chemically stable under normal conditions, not easy to decompose or react violently.▎Main Applications
Food industry: Used as a humectant, sweetener, or antifreeze in baked goods, beverages, and dairy products.
Cosmetics & personal care: Added to lotions, creams, and shampoos to retain moisture and improve texture.
Pharmaceutical field: Serves as a solvent or excipient for drugs, facilitating drug dissolution and stability.
Industrial use: Applied as an antifreeze, plasticizer, or solvent in coatings and coolants.
▎Packaging
