For professionals in chemical manufacturing and R&D, the consistent availability of high-purity raw materials is paramount. Dimethyl(4-vinylphenyl)silane (CAS 4556-72-3) stands out as a versatile and critical synthesis building block, especially within the realm of organosilane chemistry and advanced material science. If your organization is looking to buy this crucial intermediate, understanding the nuances of sourcing is key to ensuring product quality and process efficiency.

Understanding Dimethyl(4-vinylphenyl)silane (CAS 4556-72-3)
This organosilane is characterized by its unique structure, featuring both a phenyl ring with a vinyl substituent and a dimethylsilyl group. This dual functionality makes it an invaluable component in various synthetic routes. Its appearance is typically a clear liquid, and it is often specified with a purity of 95% or higher, with 98% and above being common for specialized applications. Its molecular formula is C10H14Si, with a molecular weight of 162.304.

Key Applications in Industry and Research
The primary utility of Dimethyl(4-vinylphenyl)silane lies in its role as a synthesis building block. It is frequently employed in:

  • Polymer Chemistry: The vinyl group allows for facile polymerization, enabling the creation of silicon-containing polymers with enhanced thermal stability, chemical resistance, and unique optical or electrical properties.
  • Surface Modification: It can be used to modify surfaces, imparting desirable characteristics such as hydrophobicity or adhesion promotion, making it useful in coatings and advanced materials.
  • Organic Synthesis: As a fine chemical intermediate, it serves as a precursor for a wide array of more complex organosilanes and specialty chemicals, vital for pharmaceutical and agrochemical research.

Navigating the Purchase Process: What Buyers Need to Know
When procuring Dimethyl(4-vinylphenyl)silane, B2B buyers, including purchasing managers and R&D scientists, should focus on several critical aspects:

  • Purity Specifications: Confirm the required purity level for your specific application. Higher purity often means better reaction outcomes and fewer by-products.
  • Supplier Reliability: Partnering with reputable manufacturers and suppliers, particularly those based in established chemical production hubs like China, is crucial for consistent quality and supply stability. Look for suppliers who can provide Certificates of Analysis (CoA) and have a proven track record.
  • Pricing and Volume: Obtain quotes for your required quantities. Understanding the price per kilogram or gram for different batch sizes will help in budgeting. Negotiating favorable terms with a trusted manufacturer can lead to significant cost savings.
  • Lead Times and Logistics: Inquire about delivery timelines and shipping options to ensure your production schedule is met. Efficient logistics are key to a smooth procurement process.
  • Technical Support: A good supplier will offer technical assistance, helping you select the right grade and understand handling procedures.

For organizations actively seeking to buy Dimethyl(4-vinylphenyl)silane, focusing on these considerations will lead to more informed purchasing decisions and foster stronger supplier relationships. Exploring options from established manufacturers in China can provide access to both quality products and competitive pricing, ensuring your projects have the essential building blocks they need to succeed.