Propylene Glycol, also known as PG, is a viscous liquid that is colorless with a slight odor. It is predominantly used as a solvent since it is completely miscible with water. The principal end uses of Propylene Glycol include industrial solvents, chemical intermediates, cosmetics, pharmaceuticals, food and tobacco products, paints and coatings. Our Propylene Glycol is manufactured in full compliance to the United States Pharmacopeia (USP) and is Kosher certified. It generally has a purity level of a minimum of 99.5%.