Description
Propylene Glycol (PG) is a colorless, odorless, and hygroscopic liquid with the chemical formula C₃H₈O₂. It is widely used in the food, pharmaceutical, cosmetic, and industrial sectors as a humectant, solvent, preservative, and carrier for active ingredients due to its low toxicity and excellent moisture-retaining properties.
Key Features:
- Colorless and odorless liquid: Easy to use in formulations without altering appearance or smell
- Hygroscopic nature: Excellent moisture-retaining (humectant) properties
- Low toxicity and safe: Approved for food, pharmaceutical, and cosmetic use
- Good solvent: Dissolves a wide range of substances, including flavors, colors, and active ingredients
- Stable and non-reactive: Chemically stable under normal storage and use conditions
- Versatile applications: Used in food, cosmetics, pharmaceuticals, and industrial products
- Low freezing point: Useful in antifreeze and heat-transfer applications
Applications:
- Food industry: As a humectant, preservative, and solvent for flavors and colors
- Pharmaceuticals: Carrier for active ingredients in syrups, injections, and topical formulations
- Cosmetics and personal care: Moisturizers, creams, lotions, and deodorants
- Industrial applications: Antifreeze, coolant, and heat-transfer fluid
- E-liquids for vaping: Solvent for flavor and nicotine delivery
- Paints and coatings: Solvent and moisture-retaining agent
- Plastics and resins: Component in polymer production and processing
- Animal feed and pet care: Humectant and preservative in feed products
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