Polyethylene Oxide (PEO) Product Description
Polyethylene Oxide (PEO), also known as polyethylene glycol (PEG) when in lower molecular weights, is a versatile polymer that is soluble in water and various organic solvents. It is a white, waxy solid at room temperature and is available in various molecular weights, which influence its physical and chemical properties. PEO is widely used in various industries due to its unique characteristics, including its ability to form gels, its biocompatibility, and its non-toxicity.
Key Features:
- Solubility: Highly soluble in water and many organic solvents.
- Biocompatibility: Safe for use in pharmaceutical and medical applications.
- Versatility: Can be used in a variety of formulations, including gels, creams, and powders.
- Molecular Weight Range: Available in a wide range of molecular weights, affecting viscosity and other properties.
Common Uses:
- Pharmaceuticals: Used as a drug delivery agent, excipient, and in formulations for controlled release.
- Cosmetics: Acts as a thickener, humectant, and stabilizer in creams and lotions.
- Industrial Applications: Utilized in lubricants, adhesives, and coatings.
- Food Industry: Employed as a food additive and thickening agent.
- Biotechnology: Used in the preparation of hydrogels and as a medium for cell culture.
Technical Data
| Property | Value/Description |
|---|---|
| Chemical Formula | (C2H4O)n |
| Molecular Weight Range | 1,000 – 1,000,000 g/mol |
| Appearance | White, waxy solid or viscous liquid |
| Melting Point | 60 – 70 °C (depending on molecular weight) |
| Boiling Point | Decomposes before boiling |
| Density | 1.1 – 1.2 g/cm³ (varies with MW) |
| Solubility | Soluble in water, ethanol, and acetone |
| pH Range | Neutral (pH 6-8) |
| Viscosity | Varies widely (depends on molecular weight) |
| Toxicity | Non-toxic and biocompatible |
Summary
Polyethylene Oxide is a highly versatile polymer with a wide range of applications across various industries. Its unique properties make it an essential ingredient in pharmaceuticals, cosmetics, and industrial products. Understanding its technical data is crucial for optimizing its use in specific applications.