What Is Ethylene Glycol (MEG)?
CAS 107-21-1 Ethylene glycol is a colourless, odourless diol compound. Chemically, it is an alcohol containing two hydroxyl (–OH) groups. When blended with water, it lowers the freezing point and raises the boiling point of the solution, creating a broader operational temperature range and ensuring that systems neither freeze nor overheat under fluctuating conditions, a property essential for engines, HVAC systems, and de-icing equipment.
Is ethylene glycol used as an antifreeze in industry?
Ethylene Glycol CAS 107-21-1 is widely applied as industrial antifreeze, coolant and heat transfer fluid. Its core advantage is lowering water's freezing point and raising its boiling point, making it suitable for various temperature control industrial scenarios.
Ethylene Glycol is heavily used in large-scale industrial equipment like HVAC systems, chillers and gas compressors. It also acts as de-icing fluid for aircraft and runways, and is the primary component of automotive antifreeze and coolant mixtures, with excellent freeze and boil protection performance.
Safety Note of Ethylene Glycol CAS 107-21-1
Beyond antifreeze and cooling uses, Ethylene Glycol CAS 107-21-1 is a raw material for polyester fibers, resins and films, and a solvent in paints and inks. It is toxic if ingested, so propylene glycol often replaces it in scenarios with potential food contamination risks.
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