Ethylene glycol
Ethylene Glycol
Ethylene glycol (pronounced: /ˈɛθɪliːn ˈɡlaɪkɒl/) is a colorless, odorless, sweet-tasting, viscous liquid that is widely used as an antifreeze in cooling and heating systems.
Etymology
The term "ethylene glycol" is derived from the chemical compounds ethylene (ethene) and glycol. Ethylene is a hydrocarbon with the formula C2H4, while glycol is a type of alcohol that contains two hydroxyl (OH) groups.
Uses
Ethylene glycol is primarily used in antifreeze formulations (50%) for its properties of freezing point depression and boiling point elevation. It is also used in the manufacture of polyethylene terephthalate (PET) resins, in the production of fiberglass and in the manufacture of capacitors, inks, and dyes.
Health Effects
Ethylene glycol is toxic, and ingestion can result in death. It can also be harmful by inhalation, and it can cause serious eye irritation, and may cause skin irritation. Chronic exposure at high levels can result in kidney damage and failure (see Ethylene glycol poisoning).
Related Terms
External links
- Medical encyclopedia article on Ethylene glycol
- Wikipedia's article - Ethylene glycol
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