Propylamphetamine (also known as N-Propylamphetamine, 1-Phenyl-2-propylaminopropane, 1-Phenyl-2-n-propylamino-propane, Phenethylamine, α-methyl-N-propyl-, Phenethylamine, .α.-methyl-N-propyl-, d-N-Propylamphetamine, α-Phenyl-β propylamino propane, 1-Phenyl-2-n-propylamino-propan, N-Propylamphetammine or N-n-propylamphetamine) is a substance of the amphetamine class.