Propylene Glycol



Propylene Glycol:

Propylene Glycol is a synthetic organic compound.

It is a viscous, colourless liquid which is nearly odourless but possesses faintly sweet taste.

It is miscible with solvents such as water, acetone and chloroform.


Molecular Formula of Propylene Glycol:



Molecular Structure:












Molecular Weight:

76.09 g/mol


  • It is produced on large scale and is primarily used in the production of polymers.
  • It is used as a process fluid in low-temperature heat-exchange applications.
  • It is used in edible items such as coffee-based drinks, liquid sweeteners, ice cream, whipped dairy products and soda.
  • In alcohol based hand sanitizers it is used as a humectant to prevent the skin from drying.
  • It is able to lower the freezing point of water, so it is used as an aircraft de-icing fluid.
  • It is used as a solvent in many pharmaceuticals including oral, injectable and topical formulations such as for diazepam, lorazepam which are insoluble in water.
  • Certain formulations of artificial tears such as Systane uses Propylene Glycol as an ingredient.