Propylene Glycol is a synthetic organic compound widely used across food, pharmaceutical, cosmetic, and industrial applications. It is a colorless, odorless, and tasteless viscous liquid that is hygroscopic (absorbs water) and miscible with water, acetone, and chloroform.
🔬 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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CAS Number: 57-55-6
✅ Key Properties
| Property | Description |
|---|---|
| Appearance | Clear, colorless, viscous liquid |
| Odor | Nearly odorless |
| Solubility | Completely miscible in water |
| Boiling Point | ~188°C (370°F) |
| Melting Point | −59°C (−74°F) |
| Viscosity | High (thick, syrup-like) |
| Toxicity | Generally recognized as safe (GRAS) in low doses |
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