Glycerol (Propane-1,2,3-triol) is a simple triol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. The glycerol backbone is found in lipids known as glycerides. It is also widely used as a sweetener in the food industry and as a humectant in pharmaceutical formulations. Because of its three hydroxyl groups, glycerol is miscible with water and is hygroscopic in nature.

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Modern use of the word glycerine (alternatively spelled glycerin) refers to commercial preparations of less than 100% purity, typically 95% glycerol.

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Glycerol 85% is a clear, odorless, viscous, and sweet-tasting liquid that can be derived from vegetable oils or petrochemicals. It has many uses, including in pharmaceuticals, cosmetics, and food. Glycerol 85% is hygroscopic It can be derived from vegetable oils such as rapeseed, soybean, palm, palm kernel, coconut, and linseed oil. It can also be derived from petrochemical feedstock. Glycerol is a simple polyol compound. It has a wide variety of applications and is one of the most valuable and versatile chemical substances in nature. Glycerol is also known as vegetable glycerin.