Description
Chemical Identity:
Chemical Name: Monoethylene Glycol (MEG)
Chemical Formula: C₂H₆O₂
CAS Number: 107-21-1
Molecular Weight: 62.07 g/mol
Appearance: Clear, colorless, syrupy liquid
Odor: Odorless or faint sweet odor
Boiling Point: ~197°C
Freezing Point: ~−12.9°C
Solubility: Miscible with water, alcohols, and many organic solvents
Applications:
Coolants and Antifreeze:
- MEG is the main ingredient in radiator coolants and heat transfer fluids.
- Prevents freezing and boiling in automotive cooling systems.
- Requires dilution with water (typically 30–50% by volume).
Polyester Industry:
- Used in the production of PET (polyethylene terephthalate) for bottles, films, and fibers.
Industrial Uses:
- Hydraulic fluids, deicing fluids, and solvents.
- Used as a dehydrating agent for natural gas.
Humectants:
- In certain formulations like inks, adhesives, and cosmetics (limited due to toxicity concerns).
Additional Information:
- Production Capacity: 5 ton