Propargyl alcohol

Propargyl alcohol, or 2-propyn-1-ol, is an organic compound which is a simple alcohol containing an alkyne functional group. Propargyl alcohol is a clear colorless viscous liquid that is miscible with water and most polar organic solvents. It is insoluble in most hydrocarbon solvents. It has an odor like geraniums.

Propargyl alcohol may be polymerized by either heat or base. It is used as a corrosion inhibitor, a metal complex solution, a solvent stabilizer and an electroplating brightener additive. It is also used as an intermediate in organic synthesis.

Propargyl alcohol is irritating to skin and mucous membranes.

Reference

 * Merck Index, 11th Edition, 7819.