n-Undecane is used as a mild sex attractant for various types of moths and cockroaches. It is also used as an internal standard in the gas chromatographic analysis. Further, it is used as lubricants and lubricant additives.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.