Monopropylene glycol

Monopropylene glycol (MPG), also known as propylene glycol (PG), is a versatile compound with a wide range of applications across various industries. Here are some of its primary uses:

  1. Food and Beverage Industry:
    • Humectant: Helps retain moisture in food products, improving texture and shelf life.
    • Solvent: Used to dissolve flavors, colors, and other additives, ensuring even distribution in products like beverages, ice creams, and baked goods.
    • Preservative: Prevents spoilage by inhibiting microbial growth.
  2. Pharmaceutical Industry:
    • Excipient: Acts as a solvent and carrier for active ingredients in oral, injectable, and topical medications.
    • Humectant: Maintains moisture content in pharmaceutical formulations, enhancing stability and efficacy.
  3. Cosmetics and Personal Care:
    • Moisturizer: Used in lotions, creams, and other skincare products to keep skin hydrated.
    • Solvent: Helps dissolve active ingredients in formulations for cosmetics such as perfumes, deodorants, and makeup products.
    • Hair Care: Found in shampoos and conditioners to improve moisture retention and hair texture.
  4. Household Products:
    • Cleaning Agents: Included in formulations of household cleaners, detergents, and disinfectants for its solvent properties.
    • Air Fresheners: Used as a carrier in air fresheners and deodorizing sprays.
  5. Agriculture:
    • Animal Feed: Used as a non-toxic antifreeze for animal drinking water systems.
    • Preservative: Acts as a preservative for animal feed and silage.

Description

Monopropylene glycol (MPG) is a synthetic organic compound with the chemical formula C₃H₈O₂. It is a viscous, colorless liquid that is nearly odorless but possesses a faintly sweet taste. The molecular structure consists of a three-carbon chain with two hydroxyl (OH) groups attached:

  • Chemical Formula: C₃H₈O₂
  • Molecular Weight: 76.09 g/mol

Chemical Structure

H H OH | | | H—C—C—C—H | | | H OH H

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