For professionals in the chemical and plastics industries, understanding the specific applications and sourcing of key materials is crucial for innovation and production efficiency. Diisobutyldimethoxysilane (CAS 17980-32-4) is one such specialized chemical, primarily recognized for its function as an electron donor catalyst in the polymerization of propylene.

This organosilane, presented as a colorless transparent liquid, offers a unique combination of properties that make it highly valuable in polymer synthesis. Its molecular formula (C10H24O2Si) and molecular weight (204.38200) define its chemical identity, while its high purity level, typically exceeding 99.0%, is critical for ensuring the desired stereospecificity and quality of the resultant polypropylene. Low moisture content (under 100 PPM) is also a key specification, as water can interfere with catalytic processes.

The primary application for Diisobutyldimethoxysilane is within Ziegler-Natta catalyst systems for propylene polymerization. It acts as an external electron donor, which is instrumental in controlling the tacticity of the polymer chains. This control is essential for tailoring the physical properties of polypropylene, such as its stiffness, impact resistance, and melting point, making it suitable for a wide range of end-use applications, from automotive parts to packaging films.

When seeking to purchase Diisobutyldimethoxysilane, it is advisable for procurement managers and R&D scientists to partner with reliable manufacturers and suppliers. Companies specializing in fine chemical intermediates, particularly those based in China, often provide robust quality control, competitive pricing, and efficient logistics. A good supplier will offer comprehensive product documentation, including specifications, safety data sheets, and guidance on storage (typically in a cool, dry, well-ventilated environment, with a shelf life of one year).

Choosing the right supplier involves more than just price; it includes assessing their commitment to quality, their manufacturing capacity, and their ability to provide technical support. For instance, understanding that the product has a flash point of 76°C is important for safe handling and storage protocols.

By understanding the specific role of Diisobutyldimethoxysilane in propylene polymerization and by diligently selecting a reputable manufacturer, companies can ensure they are acquiring a high-performance catalyst that meets their stringent production requirements. We invite you to explore our offerings as a dedicated supplier of this essential chemical, ready to provide quotes and samples to meet your needs.