1,2-Propanediol (PG) is a small-molecule organic compound widely used as a lubricant, humectant, and solvent in the pharmaceutical, food, and cosmetics industries.
| Appearance | Colorless transparent liquid |
| Content | ≥ 99.50% |
| Chemical formula | C3H8O2 |
| Density | 1.035-1.038 |
| Moisture(H2O) | ≤0.1% |
| Packing | 200kg or 25kg plastic drums |
It exhibits properties such as moisturization, penetration enhancement, and solubilization, with key applications including:
- SulfonFood Additives: Reacts with fatty acids to form propylene glycol fatty acid esters, primarily used as food emulsifiers.
- Pharmaceutical Applications: Solvent for medications (e.g., injectables, oral solutions).
- Cosmetics & Personal Care: Humectant, solvent (for fragrances and active ingredients), and antifreeze agent in toothpaste, lotions, and shaving creams.
- Antifreeze: A low-toxicity alternative to ethylene glycol, used in aircraft de-icing fluids and automotive cooling systems.
- Polymer Raw Material: Production of unsaturated polyester resins (UPR) and polyurethane (PU).
- E-liquids for Vaping: Mixed with vegetable glycerin (VG) as a carrier for e-liquids, generating vapor.
Propylene Glycol is widely used in the pharmaceutical, food, and cosmetics industries as a lubricant, humectant, solvent, and excipient. It improves the solubility of drugs and is extensively applied in topical, oral, or intravenous medicinal products.
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