Propylamine is an organic compound with the chemical formula C3H9N. It is a colorless liquid with a strong amine odor and is used primarily as a building block in the synthesis of various chemicals. Propylamine is classified as a primary amine, meaning it has one alkyl group attached to the nitrogen atom, which influences its reactivity and properties. This compound is commonly utilized in the production of pharmaceuticals, agrochemicals, and surfactants. Additionally, it can serve as a solvent and a corrosion inhibitor in industrial applications. Due to its basic nature, propylamine can also participate in various chemical reactions, making it valuable in organic chemistry.