Monoethylene Glycol (MEG) Hydrate Inhibitor
CAS Number: 107-21-1
Monoethylene Glycol (MEG) is the industry-standard thermodynamic hydrate inhibitor for offshore gas and condensate pipelines, injected at concentrations of 30–60 wt% to depress hydrate formation temperatures by 10–25°C. MEG can be fully recovered and regenerated in onshore MEG reclamation units (MRUs), making it economically preferred for high-volume offshore applications. It also provides mild corrosion protection when combined with pH management.
Technical Specifications
| appearance | Clear colorless liquid |
| purity (%) | ≥99.5 |
| color (APHA) | ≤10 |
| water content (%) | ≤0.2 |
| density (g/cm³, 20°C) | 1.113–1.116 |
Applications
- Offshore gas and condensate pipeline hydrate inhibition
- Subsea wellhead hydrate prevention
- Deep-water pipeline flow assurance
- Regenerated MEG loop systems for large fields
- Combined hydrate inhibition and corrosion control
Key Features
- Industry-proven thermodynamic hydrate inhibitor for offshore fields
- Fully regenerable — supports closed-loop MEG injection systems
- Provides mild corrosion protection when pH-adjusted
- Effective over broad temperature range from deepwater to arctic conditions
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