Used as a silylating agent in organic synthesis, particularly in the modification of surfaces and in the production of silicon-based polymers. It is effective in introducing dimethylchlorosilyl groups onto substrates, making it valuable in the manufacture of silane coupling agents for adhesives, coatings, and composite materials. Its reactivity allows for the formation of stable covalent bonds with hydroxyl groups on glass, minerals, and metal oxides, enhancing adhesion and moisture resistance. Also employed as an intermediate in the synthesis of specialty silicones used in electronics, sealants, and release coatings.