IUPAC-Name for Glycerine
Propane-1,2,3-triol is the IUPAC name for glycerine, the simplest and, at the same time, most important trihydric alcohol. This substance is very common in nature.
It is esterified in animal and vegetable fats and in fatty oils with corresponding fatty acids and can be produced as an intermediate product during alcoholic fermentation. The CAS number for this substance is 56-81-5.
Molecule of Propane-1,2,3-triol
Properties of Propane-1,2,3-triol
Glycerine is a colorless, odorless, and viscous liquid that has a hydroscopic effect and a sweet taste. Its sweeting power is 60 per cent of that of cane sugar. If the substance is cooled for a longer period to below 0 °C, it forms transparent rhombic crystals. Its melting point is 17.9 °C. At a temperature of 290 °C, it changes to a gaseous state.