For professionals in the chemical and material science industries, a thorough understanding of key intermediates is fundamental to successful product development and efficient procurement. Methyltris(trimethylsiloxy)silane, identified by its CAS number 17928-28-8, is one such compound. This organosilicone monomer, a clear liquid at room temperature, possesses a unique set of properties that make it invaluable in various synthesis and formulation processes. This article aims to provide a detailed overview of its characteristics and typical industrial uses.

Methyltris(trimethylsiloxy)silane is characterized by its relatively low melting point of -74 °C and a boiling point of 60 °C at 6 mm Hg. These thermal properties are indicative of its liquid state under standard conditions and its manageable volatility, which are advantageous for handling and processing. The density of approximately 0.8497 g/mL further describes its physical attributes. Its refractive index of 1.388 provides additional data points for identification and quality control, crucial when you are purchasing this chemical.

The molecular formula C10H30O3Si4 highlights the compound's silicon-oxygen backbone, characteristic of siloxanes, along with methyl groups. This structure is key to its utility. The trimethylsiloxy groups contribute to steric hindrance and hydrophobicity, while the central silicon atom offers reactivity points for polymerization or functionalization. When seeking to buy this compound, understanding these structural elements helps in appreciating its role in creating advanced materials.

The primary industrial application for Methyltris(trimethylsiloxy)silane is as a monomer in polymer synthesis. It serves as a building block for creating complex silicone polymers, resins, and networks. These materials are sought after for their thermal stability, electrical insulation properties, and resistance to environmental degradation, finding use in everything from electronics to aerospace applications. When you purchase this chemical, you are investing in the potential to create high-performance polymers.

Another significant use is in the formulation of coatings and silicone rubbers. In coatings, it can improve properties such as hardness, gloss, and water repellency. For silicone rubber, it contributes to the final elastomer's physical and mechanical characteristics, influencing its flexibility, durability, and temperature resistance. Manufacturers looking for specialty additives or core components for their formulations will find this compound a valuable resource. Sourcing from a reliable supplier ensures consistent quality for these critical applications.

In essence, Methyltris(trimethylsiloxy)silane is a foundational organosilicone intermediate. Its well-defined physical and chemical properties make it a versatile component for chemists and material scientists aiming to synthesize innovative materials with enhanced performance. Engaging with reputable manufacturers ensures access to this compound with the required purity and specifications for your specific industrial needs.