A primary amine is a type of organic compound that contains a nitrogen atom bonded to one alkyl or aryl group and two hydrogen atoms. This structure gives primary amines the general formula RNH₂, where R represents the carbon-containing group. They are characterized by their ability to form hydrogen bonds, which influences their physical properties, such as boiling points and solubility in water. Primary amines are commonly found in various biological and chemical processes. They can be derived from amino acids and are important in the synthesis of pharmaceuticals and dyes. Their reactivity allows them to participate in numerous chemical reactions, making them valuable in organic chemistry.