The rapid advancement in display technologies, from high-resolution televisions to flexible smartphone screens, relies heavily on sophisticated chemical compounds. Among these, 4-ethyl-4'-iodobiphenyl stands out as a critical intermediate. This article explores the technical facets and applications of this important chemical, providing valuable insights for R&D scientists and procurement specialists looking to buy for their innovative projects.

Technical Profile of 4-Ethyl-4'-iodobiphenyl

4-Ethyl-4'-iodobiphenyl, identified by CAS number 17078-76-1, is a functionalized biphenyl derivative with the molecular formula C14H13I and a molecular weight of approximately 308.16 g/mol. Its physical characteristics are key to its utility: it is typically supplied as a white to off-white solid, indicating a stable crystalline structure. Manufacturers emphasize its high purity, often exceeding 99.5%, a crucial specification for its demanding applications. The compound exhibits a density of around 1.5 g/cm³, a boiling point nearing 347.4°C at 760 mmHg, and a flash point of 157.5°C, all contributing to its suitability for industrial synthesis processes. Its refractive index of 1.617 further underscores its relevance in optical applications.

The Indispensable Role in Liquid Crystal Synthesis

The primary application of 4-ethyl-4'-iodobiphenyl lies in its role as an intermediate for synthesizing advanced liquid crystal materials. The biphenyl core provides structural rigidity, while the ethyl substituent and the reactive iodine atom allow for precise chemical modifications. These modifications are essential for tailoring the dielectric anisotropy, viscosity, and response time of the liquid crystal molecules, directly impacting display performance. By acting as a building block, this compound enables the creation of liquid crystal mixtures that achieve vibrant colors, high contrast ratios, and rapid refresh rates in electronic displays. For companies involved in developing next-generation displays, sourcing this compound from a dependable manufacturer is imperative.

Sourcing and Purchasing Considerations

When it comes to purchasing 4-ethyl-4'-iodobiphenyl, buyers should focus on securing a reliable supply from manufacturers with a strong commitment to quality. Many leading suppliers are located in China, offering competitive pricing and significant production capacities. It is advisable to request detailed product specifications and a Certificate of Analysis (CoA) to confirm the material’s purity and other critical properties. Furthermore, understanding the supplier's manufacturing capabilities, packaging options (e.g., 20 kg drums), and delivery timelines is crucial for efficient procurement. Companies seeking to buy this chemical should aim to partner with manufacturers who can provide consistent quality and responsive customer support, ensuring their R&D and production pipelines remain uninterrupted.

Conclusion: A Key to Future Display Technologies

4-Ethyl-4'-iodobiphenyl is more than just a chemical intermediate; it is a foundational element for innovation in the high-growth liquid crystal industry. Its unique chemical structure and properties make it indispensable for creating the advanced materials that define modern electronic displays. By diligently researching and selecting qualified manufacturers, businesses can effectively source this compound, paving the way for technological advancements and market success.