| Customization: | Available |
|---|---|
| CAS No.: | 57-55-6 |
| Formula: | C3h8o2 |
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1,2-Propanediol (Propylene Glycol) is a colorless, odorless, viscous liquid with a faintly sweet taste. It is a versatile diol widely used as a humectant, solvent, and antifreeze agent in food, pharmaceutical, cosmetic, and industrial applications. Its excellent water solubility, low toxicity, and hygroscopic properties make it a preferred choice across multiple industries.
| Property | Specification |
|---|---|
| Appearance | Clear, colorless liquid |
| Odor | Odorless |
| Boiling Point | 188°C (370°F) |
| Melting Point | -59°C (-74°F) |
| Density | 1.036 g/cm³ (20°C) |
| Flash Point | 99°C (210°F) - Combustible |
| Solubility | Miscible with water, ethanol, acetone |
| Viscosity | 56 mPa·s (25°C) |
Food & Beverage - Humectant (E1520), carrier for flavors/colors.
Pharmaceuticals - Solvent for oral/injectable drugs, moisturizer in topical creams.
Cosmetics - Base for lotions, deodorants, and toothpaste.
Industrial - Antifreeze, de-icing fluid, and heat transfer fluid.
Chemical Intermediate - Production of unsaturated polyester resins.
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