what is Mono Ethylene Glycol (MEG)?
CAS 107-21-1 Mono Ethylene Glycol, commonly referred to as Ethylene Glycol Antifreeze but also referred to as Ethane-1,2-diol, MEG, EG and Industrial Glycol.
Ethylene Glycol was first formulated in the 1850's and is now commercially produced through a chemical reaction between Ethylene Oxide and a catalyst. Large scale production of Ethylene Glycol commenced in early 1900's in the USA and it is now produced in huge volumes around the Globe.

Properties and Applications of MEG
Antifreeze Coolant
Mono Ethylene Glycol possesses exceptional thermal properties, making it an ideal ingredient in antifreeze coolants. Its low freezing point (-12.9°C) and high boiling point (197.6°C) enable ethylene glycol to prevent engine overheating and protect against freezing during cold weather conditions. It efficiently transfers heat, ensuring optimal engine performance.
Solvent and Humectant
Due to its low volatility and high boiling point, Mono Ethylene Glycol MEG serves as a useful solvent in various industries, including pharmaceuticals, cosmetics, and textile manufacturing. It acts as a humectant in skincare products, maintaining moisture and preventing drying or cracking.
Heat Transfer Fluid
With its excellent thermal conductivity and stability, Mono Ethylene Glycol is utilized as a heat transfer fluid in diverse heating and cooling systems. Its ability to retain heat efficiently makes it suitable for applications such as solar panels, HVAC systems, and geothermal heat pumps.
Monoethylene Glycol Safety Information:
1. MEG chemical is moderately toxic and may cause harm to health, particularly through inhalation, ingestion, or skin contact.
2. Prolonged or excessive exposure to ethylene glycol may lead to kidney, liver, and nervous system disorders.
3. When handling ethylene glycol, wear protective gloves, goggles, and coveralls to prevent direct skin and eye contact. Operate in a well-ventilated area and minimize inhalation of vapors.
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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qualified mEG chemical Suppliers
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Our company
Gneebio 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.


