Monomethylamine is an important nitrogen source in the chemical industry and is widely used to make a variety of organic compounds. One of its main applications is to act as a synthetic pharmaceutical intermediate, involved in the production of various drugs, especially in the synthesis of antibiotics and anticancer drugs. In addition, as an important raw material in pesticide production, monomethylamine also plays a crucial role in the synthesis of herbicides, pesticides and other chemicals. Due to its good reactivity, it is also a catalyst or key reagent for various chemical reactions.