2-Octyl-1-dodecanol may be used to investigate its interaction with the hexameric capsules of resorcin[4]arene.It has been used as diluent in a extractant screening study for the recovery of putrescine (butylene-1,4-diamine, BDA) and cadaverine (pentylene-1,5-diamine, PDA) from aqueous solutions (fermentation broths) by liquid-liquid extraction.