Glycol
Glycol
Glycol (/ˈɡlaɪkɒl/) is a type of organic compound that contains two hydroxyl (OH) groups. The term "glycol" is derived from the Greek word "glykys," which means sweet, referring to the sweet taste of these compounds.
Etymology
The term "glycol" was first used in the mid-19th century and is derived from the Greek word "glykys," meaning sweet. This is in reference to the sweet taste of glycols. The suffix "-ol" is a standard suffix used in organic chemistry to denote substances containing hydroxyl groups.
Types of Glycols
There are several types of glycols, including:
- Ethylene glycol: This is the simplest form of glycol and is used in antifreeze and polyester production.
- Propylene glycol: This is a synthetic liquid substance that absorbs water and is used in food, pharmaceutical, and cosmetic products.
- Butylene glycol: This is a type of alcohol that's used as a solvent and conditioning agent in cosmetics.
Related Terms
- Hydroxyl group: This is a functional group consisting of a hydrogen atom and an oxygen atom, bonded together.
- Organic compound: This is a type of compound that contains carbon atoms.
- Antifreeze: This is a liquid that is added to the water in an engine's cooling system to lower its freezing point.
- Polyester: This is a type of polymer that is used to make a variety of products, including fabrics and plastics.
See Also
External links
- Medical encyclopedia article on Glycol
- Wikipedia's article - Glycol
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