In the world of specialty chemicals, Dodecyltrimethylammonium Bromide (CAS 1119-94-4) stands out as a versatile cationic surfactant with a wide array of applications. Its chemical structure, characterized by a long hydrophobic tail and a hydrophilic charged head group, dictates its behavior in solutions and its utility in various scientific and industrial processes. For procurement specialists and R&D scientists, understanding the properties, applications, and reliable sourcing channels for this compound is essential.

DTAB, appearing as a white to slightly yellow powder, has a molecular formula of C15H34BrN and a molecular weight of approximately 308.34 g/mol. Its melting point is noted to be around 246°C, often with decomposition, indicating a thermally stable compound for many applications. The purity of DTAB is a critical factor for its performance, particularly in sensitive fields like diagnostics, where assay integrity is paramount.

One of the prominent applications of Dodecyltrimethylammonium Bromide is in the preparation of diagnostic reagents. It is frequently used in lysis buffers, which are essential for processes like hemoglobin determination in blood analysis. By disrupting cell membranes, DTAB facilitates the release of intracellular components, enabling accurate measurement. The demand for high-purity DTAB in this sector underscores the need for reliable manufacturers capable of producing consistent, high-quality material.

In organic synthesis, DTAB serves as an effective phase transfer catalyst. This role is invaluable in modern chemical manufacturing, allowing reactions to occur efficiently between reactants in immiscible phases. By facilitating the transfer of reactants across phase boundaries, DTAB can dramatically improve reaction rates, yields, and selectivity. For companies looking to buy this compound for synthetic purposes, understanding its catalytic efficiency and sourcing it from reputable suppliers is a key consideration for process optimization.

Beyond these core applications, DTAB is also explored in research for its surfactant properties, including micelle formation, and its use in areas like nanoparticle synthesis and interface science. Its ability to interact with various substrates makes it a subject of interest in numerous academic and industrial research projects.

When it comes to sourcing Dodecyltrimethylammonium Bromide, particularly for international buyers, China presents a significant market. Many Chinese chemical manufacturers and suppliers offer DTAB at competitive prices, leveraging their large-scale production capabilities. However, due diligence is crucial. Buyers should look for suppliers who can provide detailed product specifications, Certificates of Analysis (CoA), and demonstrate a commitment to quality assurance. This ensures that the product purchased meets the required standards for its intended application, whether it’s for diagnostic kits or complex chemical synthesis.

To effectively purchase Dodecyltrimethylammonium Bromide, it is recommended to request samples for quality testing and to engage with suppliers who offer transparent communication and reliable logistical support. Understanding the regulatory landscape for chemical imports and exports is also important.

In conclusion, Dodecyltrimethylammonium Bromide (CAS 1119-94-4) is a chemically significant compound with diverse and critical applications. Its role in diagnostics and as a phase transfer catalyst highlights its importance in both scientific research and industrial production. By carefully selecting a trusted supplier, ideally a well-established manufacturer from China offering competitive pricing, businesses can secure a high-quality supply of DTAB to meet their demanding requirements.