1-Decanol is a straight chain fatty alcohol with ten carbonatoms and the molecular formula C10H21OH. It is a colorless viscous liquid that is insoluble in water and has a strong odor. The interfacial tension against water at 20 °C is 8.97 mN/m.
Decanol causes a high irritability to skin and eyes, when splashed into the eyes it can cause permanent damage. Inhalation and ingestion can be harmful; it can also function as a narcotic. It is harmful in the environment.