n-Butylamine is an organic compound with the chemical formula C4H11N. It is a colorless liquid with a strong amine odor and is used primarily as a building block in the synthesis of various chemicals, including pharmaceuticals and agrochemicals. This compound belongs to the class of amines, which are derivatives of ammonia. n-Butylamine is soluble in water and can act as a base, making it useful in chemical reactions. It is important to handle it with care due to its potential health hazards, including irritation to the skin and respiratory system.