α-Alkylphenethylamine, or a substituted α-alkylphenethylamine, is a phenethylamine with an alkyl group at the alpha (α) carbon and can refer to:α-Methylphenethylamine α-Ethylphenethylamine α-Propylphenethylamine (APPEA) α-Butylphenethylamine (ABPEA) α-Pentylphenethylamine (APePEA) α-Hexylphenethylamine (AHPEA) α-Octylphenethylamine (AOPEA)