Polyethylene Glycol 400 (PEG 400) Product Description
Polyethylene Glycol 400 (PEG 400) is a versatile, water-soluble polymer that belongs to the family of polyethylene glycols. It is a clear, colorless, and viscous liquid with a low molecular weight, making it an ideal choice for various applications across multiple industries. PEG 400 is known for its excellent solubility in water and organic solvents, as well as its ability to act as a humectant, emulsifier, and lubricant. Due to its non-toxic and biocompatible nature, PEG 400 is widely used in pharmaceuticals, cosmetics, food, and industrial applications.
Key Features:
- Molecular Weight: Approximately 400 g/mol
- Appearance: Clear, colorless, viscous liquid
- Solubility: Soluble in water and many organic solvents
- Non-toxic and Biocompatible: Safe for use in pharmaceuticals and cosmetics
Common Uses:
- Pharmaceuticals: Used as a solvent, plasticizer, and excipient in drug formulations.
- Cosmetics: Acts as a moisturizer, emulsifier, and thickening agent in creams and lotions.
- Food Industry: Utilized as a food additive and humectant to retain moisture in food products.
- Industrial Applications: Employed as a lubricant, surfactant, and in the production of various chemical formulations.
Technical Data
| Property | Value |
|---|---|
| Chemical Formula | C₂nH₄n+2O₃n+1 (n=8-9) |
| Molecular Weight | ~400 g/mol |
| Appearance | Clear, colorless liquid |
| Viscosity | 50-100 mPa·s (at 25°C) |
| Density | 1.1 g/cm³ |
| Boiling Point | 200°C (392°F) |
| Melting Point | -60°C (-76°F) |
| pH | Neutral (6-8) |
| Solubility | Miscible with water and ethanol |
| Flash Point | > 100°C (212°F) |
| Storage Conditions | Store in a cool, dry place |
Safety and Handling
- Non-toxic: Generally recognized as safe for use in food and pharmaceuticals.
- Handling Precautions: Use appropriate personal protective equipment (PPE) when handling to avoid skin and eye contact.
- Disposal: Dispose of in accordance with local regulations.
Conclusion
Polyethylene Glycol 400 is a highly functional compound with a wide range of applications in various industries. Its unique properties make it an essential ingredient in many formulations, ensuring product stability, efficacy, and safety.