0 a chemical compound used mainly for making polymers (= chemical substances consisting of large molecules made from smaller molecules) and in food production --
Additionally, some electronic cigarette users who inhale propylene glycol vapor may experience dryness of the throat or shortness of breath.
Like ethylene glycol and propylene glycol, glycerol is a non-ionic kosmotrope that forms strong hydrogen bonds with water molecules, competing with water-water hydrogen bonds.
Ethylene glycol should not be confused with propylene glycol, a common food additive.
The coolant was formerly water, but is now usually a mixture of water and either ethylene glycol or propylene glycol.
It is soluble in propylene glycol, paraffin oil, and kerosene.
The most typical solvent is ethyl alcohol or water, but denatured alcohols, methanol, rubbing alcohol, propylene glycol, and glycerine are also used.
Lorazepam for injection formulated with polyethylene glycol 400 in propylene glycol with 2.0% benzyl alcohol as preservative.
Propylene glycol can also be converted from glycerol, a biodiesel byproduct.
