Amine

Amines are structures resembling ammonia:

http://wiki.rozeta.com.pl/img/taw/amoniak.png

where the hydrogen atoms are replaced by alkyl groups:

Primary Amine:

http://wiki.rozeta.com.pl/img/taw/amina1.png

Secondary Amine:

http://wiki.rozeta.com.pl/img/taw/amina2.png

Tertiary Amine:

http://wiki.rozeta.com.pl/img/taw/amina3.png

Naming:

Lower amines are named with the suffix amine:

 CH3-N-H
     |
     H

methylamine

Higher have the prefix amino as a functional group:

      NH2
      |
 CH3-CH-CH2-CH2CH2CH3

2-amino-pentane

Properties:

The volatile amines have strong unpleasant smells.