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1,2,3-Propanetriol

1,2,3-Propanetriol, commonly known as glycerol or glycerin, is a simple polyol compound. It is a colorless, odorless, viscous liquid with a sweet taste and is widely used in pharmaceutical, cosmetic, food, and industrial applications. Its three hydroxyl groups (–OH) make it highly hygroscopic, meaning it readily absorbs moisture from the air. Glycerol acts as a humectant, solvent, and emollient, contributing to the properties of various products. It is also an important intermediate in the metabolism of lipids and is a key component of triglycerides, the main constituent of body fats. The compound is often obtained from natural sources or through the saponification process of fats and oils.

1,2,3-Propanetriol meaning with examples

  • In the pharmaceutical industry, 1,2,3-Propanetriol is used as a solvent and humectant in cough syrups and elixirs, helping to improve the solubility of medications and retain moisture, ensuring shelf life and preventing the medication from drying out. Its emollient properties make it suitable in creams.
  • Cosmetic products often contain 1,2,3-Propanetriol to act as a moisturizer, attracting water to the skin, leaving it soft and hydrated. Lotions, soaps, and shampoos frequently incorporate this compound to improve the texture and feel of the product.
  • 1,2,3-Propanetriol is used as a sweetener and preservative in food products, where it can also act as a humectant, preventing food items from drying out. In ice cream and other frozen desserts, it can prevent ice crystal formation and give a smoother consistency.
  • In the industrial setting, 1,2,3-Propanetriol is employed in the manufacture of polymers, such as polyols, and as a plasticizer in plastics to enhance flexibility. It is also used in antifreeze and various lubricant formulations due to its ability to maintain viscosity at low temperatures.
  • 1,2,3-Propanetriol serves as a vital component of biodiesel production, often resulting from the transesterification process of triglycerides found in vegetable oils or animal fats, converting the oils into a renewable fuel source.

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