Product Name: Polyethylene Glycol Dimethyl Ether (PEG DME)
Product Overview
Polyethylene Glycol Dimethyl Ether (PEG DME) is a non-volatile, low-toxicity, and biodegradable ether-based solvent derived from polyethylene glycol. It offers excellent solubility in both water and organic solvents and serves as an environmentally friendly alternative to traditional solvents. PEG DME is widely used in pharmaceuticals, lithium battery electrolytes, precision cleaning, and agrochemical formulations.
Chemical Information
| Item | Description |
|---|
| Chemical Name | Polyethylene Glycol Dimethyl Ether |
| Abbreviation | PEG DME |
| Molecular Formula | CH₃O–(CH₂CH₂O)ₙ–CH₃ |
| Molecular Weight | 250 – 1000 (customizable) |
| Appearance | Clear, colorless liquid |
| Odor | Mild ether-like odor |
| Solubility | Miscible with water, alcohols, ethers, ketones |
Typical Specifications
| Property | Unit | Typical Value |
|---|
| Molecular Weight (Mn) | g/mol | 350 / 550 / 750 (customizable) |
| Boiling Point | °C | 250 – 320 |
| Density (25°C) | g/cm³ | 1.02 – 1.10 |
| Viscosity (25°C) | mPa·s | 5 – 50 (depends on Mw) |
| Flash Point (closed cup) | °C | >150 |
| Moisture Content | wt% | ≤0.2 |
| Acid Value | mg KOH/g | ≤0.1 |
| Color (APHA) | — | ≤50 |
Main Application Areas
1.Pharmaceuticals & Life Sciences
Used as solvent or carrier in drug delivery and formulation
Suitable for controlled-release systems and protein stabilization
2.Electrolytes for Lithium Batteries
Serves as co-solvent in lithium-ion battery electrolytes
Enhances ionic conductivity and thermal stability
3.Precision Cleaning
Effective in cleaning electronic and optical components
Leaves low residue; safe for metals, plastics, and glass
4.Inks & Waterborne Coatings
Acts as viscosity modifier and carrier solvent
Improves leveling, flow, and film formation
Supports low-VOC, eco-friendly formulations
5.Agrochemical Formulations
Used as carrier or solvent in herbicides and fungicides
Enhances dispersion, penetration, and bioavailability
Key Benefits
✅ Excellent solubility for polar and non-polar systems
✅ High boiling point, low vapor pressure
✅ Low toxicity and biodegradable
✅ Compatible with various polymer systems
✅ Ideal for green chemistry and low-emission formulations
Packaging & Storage
| Packaging Options | Storage Conditions | Shelf Life |
|---|
| 25kg drum, 200kg drum, IBC tote | Store in dry, cool, and sealed conditions | 12 months |
Safety & Environmental Compliance
1.Low toxicity; standard protective measures recommended during handling
2.Avoid contact with strong oxidizing agents
3.Prevent release into groundwater or natural water bodies
4.Complies with REACH, RoHS, and other environmental safety standards
Samples & Orders
We provide samples and custom specifications upon request. For quotations, technical data, or sourcing support, please contact our sales team. PEG DME is available in various molecular weights and packaging to meet your application needs in pharmaceuticals, electronics, coatings, and energy storage.
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