1-Propanol

Propanol, also known as 1-propyl alcohol, is a higher alcohol with a three carbon atoms.

2-Propanol

There is an another isomer of this compound, 2-propanol (sometimes named isopropyl alcohol, or isopropanol for brevity):

    H   H   H
    |   |   |
H - C - C - C - H
   /    |    \
  H     OH    H

Collectively, the two isomers are known informally as propanol (sometimes called propyl alcohol). At room temperature and pressure, both isomers are clear, colorless liquids.

Both can be used as a solvent or for various other chemical uses. 2-propanol is commonly used as "rubbing alcohol" or as an antiseptic. It is also used as a petrol additive for dissolving water or ice in fuel lines.