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In organic chemistry, propyl is a three-carbon alkyl substituent with chemical formula -C3H7. It is the substituent form of the alkane propane.

For example:


This is propyl ethanoate, an ester. The propyl group is attached to the molecule after the middle oxygen.

There are two isomeric forms of propyl:

  • with the substituent attached to one of the end carbons (called 1-propyl in the IUPAC nomenclature, or n-propyl (Pr-n) in the old naming system); and
  • with the substituent attached to the middle carbon (called 2-propyl in the IUPAC system, or isopropyl in the old system).

In addition there is a third, cyclic, form called cyclopropyl, or c-propyl. It is not isomeric with the other two forms, having the chemical formula -C3H5.



See also

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Propyl". A list of authors is available in Wikipedia.
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