Propylene Glycol

Propylene Glycol Definition

• Propylene glycol is a synthetic organic compound with the chemical formula C₃H₈O₂. It is a colorless, odorless, slightly viscous liquid that is hygroscopic (absorbs water) and miscible with water, acetone, and chloroform.

Structure:

• Chemical Formula: C₃H₈O₂
• Molecular Structure: Contains a three-carbon chain with two hydroxyl groups (-OH) attached to the first and second carbon atoms.
• Geometry: Tetrahedral around each carbon atom.

Uses:

1. Humectant: Commonly used as a humectant in food, cosmetics, and pharmaceuticals.
2. Solvent: Acts as a solvent for food colorings, flavors, and pharmaceuticals.
3. Antifreeze: Used in antifreeze formulations due to its low freezing point.
4. Preservative: Serves as a preservative in various products.

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