AskDefine | Define aliphatic

Dictionary Definition

aliphatic adj : having carbon atoms linked in open chains

User Contributed Dictionary

English

Pronunciation

  • a US /ælIfætIk/, /

Extensive Definition

In organic chemistry, compounds composed of carbon and hydrogen are divided into two classes: aromatic compounds, which contain benzene and other similar compounds, and aliphatic compounds (G. aleiphar, fat, oil), which do not. In aliphatic compounds, carbon atoms can be joined together in straight chains, branched chains, or rings (in which case they are called alicyclic). They can be joined by single bonds (alkanes), double bonds (alkenes), or triple bonds (alkynes). Besides hydrogen, other elements can be bound to the carbon chain, the most common being oxygen, nitrogen, sulfur, and chlorine.
The simplest aliphatic compound is methane (CH4). Aliphatics include alkanes such as fatty acids and paraffin hydrocarbons, alkenes (such as ethylene) and alkynes (such as acetylene).
Most aliphatic compounds are flammable, allowing the use of hydrocarbons as fuel, such as methane in Bunsen burners, and acetylene in welding.

Examples

See also

References

aliphatic in Arabic: أليفاتي
aliphatic in Catalan: Hidrocarbur alifàtic
aliphatic in Czech: Alifatická sloučenina
aliphatic in Danish: Alifatisk forbindelse
aliphatic in German: Aliphatische Kohlenwasserstoffe
aliphatic in Spanish: Hidrocarburo alifático
aliphatic in French: Aliphatique
aliphatic in Indonesian: Alifatik
aliphatic in Italian: Composti alifatici
aliphatic in Hebrew: אליפטיות
aliphatic in Dutch: Alifatische verbinding
aliphatic in Norwegian: Alifatisk forbindelse
aliphatic in Russian: Алифатическое соединение
aliphatic in Finnish: Alifaattinen yhdiste
aliphatic in Swedish: Alifatisk
aliphatic in Vietnamese: Hợp chất aliphatic
aliphatic in Ukrainian: Аліфатичні сполуки
aliphatic in Chinese: 脂肪族化合物
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