N,N-Dimethylcarbamoyl chloride (CAS 79-44-7) is a highly reactive, colorless to pale yellow, tear-inducing, and pungent liquid used primarily as an intermediate in the synthesis of pharmaceuticals, pesticides, and dyes. It acts as a carbamoylating agent, reacting with nucleophiles like amines, alcohols, and phenols. It is toxic, flammable, a suspected carcinogen, and reacts violently with water.