Used primarily in organic synthesis, it serves as a key reagent for introducing the methylaminoformyl group into various compounds. It is particularly valuable in the production of pharmaceuticals, where it aids in the creation of active ingredients for drugs. Additionally, it finds application in agrochemicals, contributing to the development of pesticides and herbicides. Its reactivity with amines and alcohols makes it useful in the synthesis of polymers and specialty chemicals. Proper handling is essential due to its corrosive and reactive nature.