4-(Methylnitrosoamino)-butanal

4-(Methylnitrosoamino)-butanal, also known as MNBA, is a chemical compound that belongs to the class of nitroso compounds. It has a molecular formula of C5H10N2O2 and a molecular weight of 130.15 g/mol. The compound is a pale yellow liquid that is highly reactive and unstable, making it difficult to handle and store. MNBA is commonly used as a reagent in organic synthesis, particularly in the synthesis of peptides and other complex organic molecules. It is also used in the manufacturing of pharmaceuticals and agricultural chemicals. MNBA is known to react with nucleophiles, such as amines and thiols, to form stable products. In terms of its chemical properties, MNBA is a nitroso compound that contains a nitroso functional group (-NO) and an aldehyde functional group (-CHO). The compound is highly reactive due to the presence of the nitroso group, which is known to undergo a variety of reactions, including nucleophilic addition, oxidation, and reduction. MNBA is also a potential carcinogen and mutagen, and has been shown to cause DNA damage in vitro. As such, it is important to handle and use MNBA with care and appropriate safety measures.