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 that is non-toxic and has a low molecular weight. PEG 400 is widely used in various industries due to its unique properties, including its ability to dissolve in both water and organic solvents, making it an excellent choice for a range of applications. Its low viscosity and hygroscopic nature allow it to function effectively as a solvent, plasticizer, and humectant.
Uses
PEG 400 has a broad spectrum of applications across different fields, including:
- Pharmaceuticals: Used as a solvent for drugs, a base for ointments, and a vehicle for drug delivery systems.
- Cosmetics and Personal Care: Commonly found in creams, lotions, and hair products as a moisturizer and emulsifier.
- 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 formulation of paints and coatings.
- Research and Development: Used in laboratory settings for various chemical reactions and as a medium for biological assays.
Technical Data
| Property | Value |
|---|---|
| Chemical Formula | C₂₄H₄₈O₁₀ |
| Molecular Weight | 400 g/mol |
| Appearance | Clear, colorless liquid |
| Viscosity (at 25°C) | 50-100 mPa·s |
| Density | 1.1 g/cm³ |
| Solubility | Soluble in water and alcohol |
| pH (1% solution) | 6.0 – 7.0 |
| Boiling Point | 200°C (392°F) |
| Flash Point | 230°C (446°F) |
| Storage Conditions | Store in a cool, dry place |
| Shelf Life | 2 years when stored properly |
Key Features
- Non-toxic: Safe for use in pharmaceuticals and food applications.
- Hygroscopic: Excellent moisture-retaining properties.
- Versatile: Suitable for a wide range of formulations and applications.
- Stability: Chemically stable under normal conditions, making it reliable for long-term use.
Conclusion
Polyethylene Glycol 400 is a highly functional compound that plays a crucial role in various industries. Its unique properties make it an essential ingredient in pharmaceuticals, cosmetics, food products, and industrial applications. With its non-toxic nature and versatility, PEG 400 continues to be a preferred choice for formulators and manufacturers worldwide.