Monoethylene glycol (MEG) is an organic compound from the glycol family and is considered the simplest form of ethylene glycol. It is a clear, colorless, odorless liquid that is highly soluble in water. MEG is widely used in various industries, especially in the production of antifreeze for automobiles, as it lowers the freezing point of the liquid. This compound is also an essential raw material for manufacturing polyester fibers, resins, and plastics. Its properties, such as high boiling and low freezing points, make it an ideal component in heat transfer fluids and hydraulic systems.
Technical Characteristics
| Chemical Formula | C2H6O2 |
| Other names | 1,2-ethanediol ethylene alcohol 1,2-dihydroxyethane Ethylene glycol |
| CAS Number | 107-21-1 |
| Molecular Weight | 62.07 gr/mole |
| Melting Point | -12.9 °C |
| Boiling Point: | 197.3 °C |
| Appearance | Colorless and viscous liquid |
Applications
- Antifreeze products
- As a raw material in the production of polyester fibers
- Latex paints and asphalt emulsions
- Electrolytic capacitors
- Intermediate substance in chemical reaction and polymer production
- Solvent for the production of plastic, varnish, paint
- Coupling printing inks
- Solvent for pigments in textile and leather dyeing
- Raw material in the formulation of agricultural materials
- Production of explosives
- Preservative, rust remover and disinfectant
- As a thermodynamic inhibitor and hydrate inhibitor in gas transmission lines
- In order to remove water vapor from natural gas before processing
- Raw material for polyethylene terephthalate (PET)
Environmental impact of MEG
Monoethylene glycol (MEG) can have negative environmental effects if not properly managed. If released into the environment, MEG can contaminate water sources, as it is highly soluble in water and can contribute to oxygen depletion in aquatic ecosystems, potentially harming aquatic life. While it is biodegradable, large quantities of MEG can cause significant environmental harm before it breaks down. In soil, MEG can affect microbial life, disrupting the natural balance. Proper disposal and wastewater treatment are essential to minimize its environmental impact and ensure that it does not pose long-term contamination risks.
Safety Measures and Regulations for Handling MEG
When handling MEG, safety precautions are essential due to its potential health risks. While it is low in toxicity, prolonged exposure can cause skin irritation and respiratory issues from inhaling vapors. Personal protective equipment (PPE) like gloves, goggles, and protective clothing should be worn. MEG should be handled in well-ventilated areas and stored in sealed containers, away from heat or ignition sources. In case of spills, immediate containment and disposal following safety regulations are necessary to prevent environmental contamination.
Packing
This chemical can be supplied in 25 MT tankers and/or 220-liter drums.