Isopropyl alcohol

Isopropyl alcohol or isopropanol is a common name for 2-propanol, an alcohol commonly used for application to the skin, and popularly referred to as rubbing alcohol. Its chemical structure is:

The alcohol-based sterilizing swabs used to clean skin before injections contain a 30% solution of isopropanol in water.

Isopropyl alcohol is also commonly used as a cleaner and solvent in industry.