The chemical formula for glycerol is C3H8O3. Glycerol, also referred to as glycerin, glycyl alcohol or 1,2,3-propanetriol, features three hydroxyl groups in its structure, each one of these groups being attached to one of the three carbon atoms.
Glycerol generally appears as a clear, colorless and syrupy liquid, but it can also appear in solid state when the temperature is lower than 17 degrees Celsius. Glycerol is an intermediate compound that plays an important part in the metabolism of carbohydrates. Glycerol is generally used as a solvent, sweetener and emollient in the pharmaceutical industry and is also used therapeutically for constipation relief and ophthalmic lubrication.