Methoxytriphenylsilane (CAS No.: 1829-41-0) is an organosilicon compound with the chemical formula C19H18OSi and a molecular weight of 290.43. It appears as white powder crystals with a purity of ≥98%. Its key technical indicators include a density of 1.08±0.1 g/cm³, a melting point of 54.5–55 °C, a boiling point of 164–165 °C (at 0.5 Torr), a flash point of 152.6 °C, and a refractive index of 1.595.

This compound serves as an efficient catalyst in organic reactions due to its excellent acidity, enhancing reaction rates and yields. It also acts as a ligand in transition metal-catalyzed processes, facilitating various synthetic transformations. In materials science, Methoxytriphenylsilane is utilized to prepare functional nanomaterials, improving conductivity, oxidation resistance, and stability. It is particularly valuable in nanoelectronic devices for modifying functional and electronic layers.

Additionally, it is widely applied in surface treatment and modification. In textiles, it functions as a waterproofing, oil-repellent, and dust-resistant additive. In leather processing, it enhances softness, wear resistance, and tensile strength. It also exhibits excellent performance in wood protection.

Furthermore, Methoxytriphenylsilane finds applications in organic optoelectronics, catalysts, and fluorescent sensors, demonstrating its versatility across multiple industries. Its unique properties make it a crucial component in advanced chemical and material research.