Polyethylene Glycol (PEG) Product Description
Polyethylene Glycol (PEG) is a versatile polymer that is widely used in various industries due to its unique properties. It is a water-soluble compound that comes in various molecular weights, which can affect its physical and chemical characteristics. PEG is non-toxic, non-irritating, and biodegradable, making it an ideal choice for applications in pharmaceuticals, cosmetics, food, and industrial processes. Its ability to act as a solvent, plasticizer, and surfactant enhances its utility across multiple sectors.
Uses of Polyethylene Glycol
- Pharmaceuticals: PEG is commonly used as a base for ointments, creams, and gels. It serves as a laxative in oral and rectal formulations and is also used in drug delivery systems.
- Cosmetics: In the cosmetic industry, PEG is utilized as a moisturizer, emulsifier, and thickening agent in lotions, shampoos, and other personal care products.
- Food Industry: PEG is approved for use as a food additive, where it acts as a humectant and stabilizer in various food products.
- Industrial Applications: PEG is used in manufacturing processes, such as in the production of plastics, textiles, and coatings, due to its lubricating and anti-foaming properties.
- Biotechnology: PEG is employed in bioconjugation and protein purification processes, enhancing the solubility and stability of biomolecules.
Technical Data
| Property | Value |
|---|---|
| Chemical Formula | C₂nH₄n+2O₁n+1 |
| Molecular Weight Range | 200 – 8000 g/mol |
| Appearance | Colorless, viscous liquid or solid |
| Solubility | Soluble in water and organic solvents |
| Density | 1.1 – 1.2 g/cm³ |
| Melting Point | Varies with molecular weight |
| Boiling Point | Varies with molecular weight |
| pH | Neutral (6-8) |
| Viscosity | Varies with molecular weight |
| Toxicity | Non-toxic, generally recognized as safe (GRAS) |
Key Features
- Biocompatibility: PEG is well-tolerated by the human body, making it suitable for medical applications.
- Versatility: Available in various forms and molecular weights, allowing customization for specific applications.
- Stability: PEG exhibits excellent thermal and chemical stability, enhancing the shelf life of products.
- Moisture Retention: Its hygroscopic nature helps retain moisture, making it ideal for cosmetic formulations.
Polyethylene Glycol is a crucial ingredient in many formulations across diverse industries, providing essential properties that enhance product performance and user experience.