Ethylene Glycol EG Basic Information
Chemical name: Ethylene Glycol/ Monoethylene Glycol/EG/MEG
CAS number: 107-21-1
Formula: C₂H₆O₂
Physical Properties
Density: ~1.11–1.115 g/cm³ at 20 °C - a key factor for transport and storage calculations.
Boiling point: ~197–198 °C - useful for process design and safety planning.
Freezing point: ~-12.8 °C to -13 °C - underlying why MEG is such an effective antifreeze agent.
Appearance: Clear, colorless, low-viscosity liquid.
Miscibility: Completely miscible with water and many organic fluids.
What Are The Application Areas of Ethylene Glycol EG CAS 107-21-1?
1. Antifreeze and Coolants: Ethylene Glycol EG is primarily used in automotive antifreeze formulations due to its ability to lower the freezing point of water and prevent engine damage in cold temperatures.
2. Polyester Production: Ethylene Glycol EG CAS 107-21-1 is a key raw material in the production of polyester fibers and polyethylene terephthalate (PET), widely used in textiles, bottles, and plastic packaging.
3. Heat Transfer Fluids: Monoethylene Glycol MEG is also used in heat exchangers due to its heat-absorbing properties.
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