HSN Code : 29053200 Synonyms : 1,2-dihydroxypropane; 1,2-propanediol; 1,2-propylene glycol CAS No. : 57-55-6 Molecular Formula : C3H8O2 Application : MonoPropylene glycol (MPG) is a colourless, odourless liquid. MonoPropylene Glycol most important application is as a feedstock in the production of unsaturated polyester resins. MPG is used in food, beverage and animal feed, in pharmaceuticals as an excipient, in cosmetics and personal care products.