Ethyl Dimethylsilane is primarily used in the synthesis of silicone-based polymers and resins. It serves as a key intermediate in the production of various silicone materials, which are widely applied in coatings, sealants, and adhesives due to their water repellency and thermal stability. Additionally, it is utilized in the manufacture of silicone fluids and elastomers, which find applications in automotive, construction, and electronics industries. Its role in modifying surface properties of materials also makes it valuable in creating hydrophobic coatings for textiles and glass.