what is Mono Ethylene Glycol (MEG)?
CAS 107-21-1 Mono ethylene glycol (MEG), also known as EG, 1,2-ethanediol, or 1,2-dihydroxyethane, is a clear, colorless liquid with a slightly syrupy consistency. Despite its slightly sweet taste, it has almost no odor. MEG is a highly versatile compound that mixes well with water, alcohols, and many organic substances. Its most prominent uses are in the production of polyester fibers for textiles and as a key component in antifreeze, coolants, and aircraft de-icing fluids.
Key Properties of MEG Mono Ethylene Glycol
| Property | Value |
|---|---|
| Chemical Formula | C₂H₆O₂ |
| Molecular Weight | 62.07 g/mol |
| Appearance | Clear, colorless liquid |
| Boiling Point | 197–198 °C |
| Freezing Point | -12.9 °C |
| Density @ 20 °C | 1.113–1.115 g/cm³ |
| Solubility | Fully miscible with water and many organic solvents |
| Viscosity @ 20 °C | ~21 cP |
| Flash Point | 111 °C (closed cup) |
Industrial Chemical Ethylene Glycol (MEG) Uses
1. Chemical Intermediates
Methylene glycol (MEG) is a key raw material for producing polyethylene terephthalate (PET), a material widely used in polyester film and PET bottle manufacturing. These products are fully recyclable and offer reliable safety. MEG purity directly impacts PET quality, with GC's PET achieving exceptional performance at 99.9% purity.
2. Polyester Fibers
Industrial Grade Mono Ethylene Glycol is a critical raw material for producing polyester fibers used in apparel textiles. High-purity MEG is essential for manufacturing premium fibers renowned for durability, comfort, resistance, and easy maintenance. Polyester fibers can also be blended with other fibers to enhance specific properties.
3. Coolants
MEG chemical is a vital component in engine coolant formulations. It elevates the boiling point of water mixtures, enhancing the coolant's ability to regulate engine temperature. This protects engines from overheating in high temperatures and prevents freezing in cold climates, ensuring optimal performance and longevity.
4. De-icing and Antifreeze
Ethylene Glycol MEG is widely used in antifreeze formulations due to its exceptional ability to lower the freezing point of water. This characteristic makes it indispensable in coolants, aircraft de-icing fluids, and anti-icing agents, delivering high-performance protection in severe cold conditions.
As a reliable High-Purity Ethylene Glycol EG/MEG manufacturer and supplier, we provide Monoethylene Glycol (CAS 107-21-1) with strict quality control, stable large-volume supply, and comprehensive export documentation for international buyers.
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GNEE BIO is a professional chemical raw materials supplier located in Henan Province, China. We have passed quality system certification and have self-managed import and export rights. Our products are popular with customers. As a leading global supplier, we deliver certified chemical raw materials that comply with REACH, RoHS, ISO and other international standards. Our robust monthly production capacity ensures consistent quality and a reliable supply for bulk orders.
