Glycerol (chemical name: Propane-1,2,3-triol) is a colorless, odorless, transparent, and highly viscous trihydric alcohol liquid with a sweet taste. It exhibits extremely strong hygroscopicity and can absorb moisture from the air. It is non-toxic, low in volatility, and stable at room temperature. Industrial-grade glycerol is usually a refined liquid with a purity of ≥99.5%, featuring a clear and impurity-free appearance.

1. Daily Chemicals / Cosmetics: Humectant, emollient, solvent (creams, lotions, lipsticks, personal care products)
2. Food Industry: Humectant, sweetener, thickener, water retention agent (E422)
3. Pharmaceuticals: Glycerin enema (laxative), ointment base, solvent for injections, reducing intracranial pressure
4. Industry: Raw material for nitroglycerin, antifreeze, plasticizer, tobacco humectant, by-product of biodiesel
5. Others: Leather, textiles, coatings, hydraulic oil, laboratory reagents