🔬 Chemical Information
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Chemical Formula: C₃H₈O₂
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IUPAC Name: Propane-1,2-diol
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Molecular Weight: 76.09 g/mol
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Structure: It has two alcohol (–OH) groups, making it a diol (a type of alcohol).
🧪 Physical Properties
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Appearance: Colorless, odorless, viscous liquid
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Taste: Slightly sweet
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Boiling Point: ~188.2°C (370.8°F)
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Solubility: Miscible with water, acetone, and chloroform
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Hygroscopic: Absorbs water from the air
🧴 Common Uses
1. Food Industry
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Used as a humectant, solvent, and preservative
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Found in processed foods, beverages, and flavorings
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Generally Recognized as Safe (GRAS) by the FDA when used in small quantities
2. Pharmaceuticals & Cosmetics
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Acts as a carrier for active ingredients in oral, injectable, and topical drugs
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Used in lotions, creams, deodorants, and shampoos as a moisturizer and solvent
3. Industrial Applications
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Used in antifreeze and de-icing solutions (less toxic alternative to ethylene glycol)
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Found in e-cigarette liquids (vape juice) as a vapor-producing agent
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Used as a plasticizer and in hydraulic fluids









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