Butyl group
Butyl Group
The Butyl Group (pronounced: /ˈbyo͞otl/), is a four-carbon alkyl radical or substituent group with the general chemical formula -C4H9. The term "butyl" is derived from butyric acid, a compound first discovered in butter.
Etymology
The term "butyl" comes from the Latin word butyrum, which means butter. This is because the first time butyric acid was isolated, it was from butter. The suffix "-yl" is the IUPAC nomenclature for a substituent group, derived from the Latin -ulus meaning small or minor.
Types of Butyl Groups
There are four isomers of the butyl group, each with unique properties and uses. These are:
- n-Butyl: This is the unbranched isomer of the butyl group. It is often used in the production of varnishes and lacquers due to its slow evaporation rate.
- sec-Butyl: This is a branched isomer of the butyl group. It is used in the production of perfumes and flavorings due to its pleasant odor.
- Isobutyl: This is another branched isomer of the butyl group. It is used in the production of pharmaceuticals and pesticides.
- t-Butyl: This is the most branched isomer of the butyl group. It is used in the production of antioxidants and rubber.
Related Terms
- Alkyl: A type of hydrocarbon group that is derived from alkanes by removing a hydrogen atom.
- Isomerism: The phenomenon of having the same molecular formula but different structural formulas.
- Butyric: A carboxylic acid from which the butyl group is derived.
See Also
External links
- Medical encyclopedia article on Butyl group
- Wikipedia's article - Butyl group
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