Dodecyltrimethoxysilane (CAS 3069-21-4) stands as a highly versatile and essential chemical compound in numerous industrial applications. Also known by synonyms such as n-Dodecyltrimethoxysilane or Lauryltrimethoxysilane, this organosilane is distinguished by its unique molecular structure, featuring a long dodecyl chain combined with three methoxy groups. This configuration grants it exceptional properties, making it an indispensable agent for advanced material science and engineering.

As a colorless to yellowish transparent liquid, Dodecyltrimethoxysilane boasts a molecular formula of C15H34O3Si and a molecular weight of approximately 290.51 g/mol. Its typical assay consistently exceeds 96%, ensuring high purity for demanding applications. Key physical properties include a boiling point around 125 °C (at low pressure), a melting point of -40 °C, a flash point of 108 °C, and a density of approximately 0.89 g/mL. Its refractive index falls within the range of 1.4220-1.4320, reflecting its clear and stable nature. These precise specifications underscore its reliability and performance in various chemical processes.

The applications of Dodecyltrimethoxysilane are remarkably diverse and impactful. Primarily, it functions as an outstanding hydrophobic agent and surface modifier. It is extensively utilized for the waterproofing and corrosion prevention of buildings and constructions, significantly improving their weatherability and long-term durability. When applied to inorganic materials such as glass, silica, aluminum oxide, kaolin, pottery, porcelain, mica, silicon carbide, and talcum powder, it acts as an effective surface treatment. This treatment substantially enhances the dispersibility and compatibility of these inorganic substrates with organic polymers, thereby boosting the mechanical properties of the final products. Moreover, its ability to create water-repellent surfaces makes it valuable in the rubber and plastic demolding processes, preventing sticking and improving efficiency.

Beyond construction and material enhancement, Dodecyltrimethoxysilane plays a crucial role in the preservation of cultural relics, offering protection against water damage, acid corrosion, freezing, and efflorescence. In the automotive industry, it contributes to durable and high-performance surfaces. Its utility extends to the formulation of advanced composites and as a functionalizing agent for nanoparticles, where it improves their dispersion and stability within various matrices. Furthermore, its ability to impart water and oil repellency makes it suitable for textile treatments, enhancing fabric durability and ease of cleaning. Researchers are also exploring its potential in biomedical applications to tailor surface properties, improving biocompatibility and reducing protein adsorption for implants and drug delivery systems.

For manufacturers and suppliers seeking this high-performance silane, NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing Dodecyltrimethoxysilane (CAS 3069-21-4) with superior quality. Our product is typically supplied in robust packaging options such as 200kg drums or larger IBC containers, designed to ensure product integrity during transit and storage. Proper storage involves keeping the containers tightly sealed in a cool, well-ventilated area, protected from humidity and ignition sources. Under these optimal conditions, the product maintains a shelf life of at least 12 months. For inquiries regarding price, to buy, or to purchase Dodecyltrimethoxysilane, please contact NINGBO INNO PHARMCHEM CO.,LTD. Our commitment to excellence ensures reliable supply and technical support for your specialized needs.