Glycerine
Glycerine (also known as Glycerol or Glycerin) is a colourless, viscous, oudourless fluid that is mainly used in pharmaceutical companies. Due to its sweet taste and low toxicity it is ideal for cough syrups and other medicines.
STURUCTURE
Glycerol contains 3 hydroxyl groups, these make it water soluble.
It's molecular formula is CH2(OH)CH(OH)CH2OH