Propylene Glycol – Solvent
High-Purity Carrier Solvent for Laboratory and Formulation Applications
Propylene Glycol is a high-purity laboratory-grade solvent widely used in research and formulation applications for its excellent solubility properties, stability profile, and compatibility with a broad range of compounds. As a versatile carrier, it is commonly utilized in solution preparation, compound dilution, and solvent-based delivery system investigations.
Known for its low volatility and hygroscopic nature, Propylene Glycol has attracted significant use in studies involving liquid formulations, compound stabilization, and analytical preparation protocols.
Supplied as a research-grade solvent suitable for laboratory and analytical use.
Common Applications
- Compound Solubilization
- Liquid Formulation Preparation
- Carrier for Solution-Based Research
- Stability and Delivery System Studies
- Analytical and Laboratory Use
Product Specifications
| Specification | Detail |
|---|---|
| Product Type | Solvent |
| Chemical Name | Propylene Glycol |
| Form | Liquid |
| Purity | ≥99% |
| Chemical Class | Diol (Organic Solvent) |
| Boiling Point | ~188°C |
| Miscibility | Fully miscible with water and many organic solvents |
| Storage | Store Cool, Dry, Tightly Sealed |
Key Properties
- Excellent solvent for a wide range of organic compounds
- Low toxicity profile in controlled laboratory settings
- Hygroscopic (absorbs moisture from the environment)
- Stable across a wide temperature range
- Compatible with ethanol and other solvent systems
Research Overview
Propylene Glycol is widely used in laboratory environments for preparing solutions, stabilizing compounds, and supporting formulation research. Its consistent performance and compatibility make it a standard solvent in many experimental setups.
Areas of scientific use include:
- Solution preparation and dilution
- Formulation stability testing
- Solvent system development
- Analytical sample preparation
- Carrier system research
Propylene Glycol vs Related Solvents
Propylene Glycol vs PEG400
Propylene Glycol is often used for general solubilization and formulation research, while PEG400 is commonly investigated for higher viscosity and extended-release solvent systems.
Propylene Glycol vs Ethanol
Ethanol is more volatile and fast-evaporating, whereas Propylene Glycol offers greater stability and slower evaporation in solution-based studies.
Frequently Asked Questions
What is Propylene Glycol used for in research?
It is commonly used as a solvent for dissolving compounds, preparing liquid formulations, and supporting delivery system investigations.
Is Propylene Glycol miscible with water?
Yes, it is fully miscible with water and many organic solvents.
How should it be stored?
Store in a cool, dry place in a tightly sealed container to prevent moisture absorption.






