Monomethylamine is an important organic chemical raw material and is often used in the synthesis of medicine, pesticides, dyes and chemical intermediates. Its chemical formula is CH₃NH₂, which has a strong ammonia odor and is a colorless and volatile gas. Due to its high reactive activity, monomethylamine is widely used in drug synthesis in the pharmaceutical industry, especially in the production of antibiotics and antiviral drugs. In addition, it plays an important role in the synthesis of pesticides, herbicides and other functional chemicals.