Propylene Glycol

Propylene Glycol (MPG)
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Short Description

It is a very small molecule composed of 3 carbon atoms, 2 oxygen atoms and 8 hydrogen atoms. It is a clear, colorless, viscous liquid that is odorless and has a slightly sweet taste. Chemically classified as a diol, it can be mixed with various solvents such as water, acetone, and chloroform. It mixes with water in all proportions, but less so with alcohols, esters and ketones.








  • Polyurethane and polyester production,
  • As a process fluid at low temperature heat exchange applications,
  • To stop the growth of microorganisms in solutions,
  • To make starch and gluten more stable at dough,
  • As a solvent in the aroma and essential oil industry, medicine and cosmetics,
  • In the lubrication of machines used in the tobacco and cosmetic industry and the freezing machines in the food industry,
  • Mouthwash, toothpastes, ointments, skin creams, shampoos and perfumes (solutions containing propylene glycol remain generally clear even when diluted too much with water),
  • As a preservative in cosmetic products in the formation of emulsions,
  • As an extractor to obtain active extracts from natural extracts,
  • Cosmetic and detergent due to softening properties on the skin
  • Low toxicity, environmentally friendly automotive antifreeze instead of ethylene glycol,
  • In order to protect the shelf life of foods against oxygen-induced deterioration,
  • To prevent food components from sticking together,
  • To prevent the separation of food components such as oil and vinegar in salad sauce,
  • To help foods maintain a stable moisture level and to prevent drying
  • • Propylene glycol
    • Propane-1,2-diol
    • 1,2-propanediol
    • 1,2-dihydroxypropane
    • Methyl ethyl glycol
    • Trimethyl glycol
  • • Clear, colorless and hygroscopic liquid



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