primary aliphatic amine butan-1-amine 1-butanamine 1-butylamine BUTYLAMINE n-butylamine A primary aliphatic amine that is butane substituted by an amino group at position 1. butylamine n-C4H9NH2 chebi_ontology n-Butylamin butanamine monobutylamine CHEBI:43799 mono-n-butylamine 1-Aminobutan 1-aminobutane