For professionals in the chemical industry, particularly those involved in pharmaceutical synthesis, advanced materials development, or academic research, understanding the precise specifications of raw materials is fundamental to achieving desired outcomes. 4-Biphenylboronic acid (CAS 5122-94-1) is one such compound where quality and purity dictate its efficacy in complex chemical transformations. As a key intermediate, its reliable sourcing from reputable manufacturers is a strategic imperative.

What constitutes high-quality 4-Biphenylboronic acid? Primarily, it's the purity level. Most applications, especially those in drug discovery and liquid crystal formulation, demand an assay of at least 98.0%. Some cutting-edge research or highly sensitive catalytic processes might even require purities exceeding 99.5%. The appearance is also a key indicator; it is typically supplied as a white or off-white powder. Deviations from this norm or the presence of significant colored impurities can suggest contamination or degradation.

Beyond the assay, other specifications are critical for optimal performance. Water content, for instance, can affect the reactivity of boronic acids, particularly in moisture-sensitive catalytic reactions like the Suzuki coupling. Suppliers should provide information on typical water content, often specified as ≤0.50% or even lower for high-grade products. Likewise, the absence of trace metals or other inorganic impurities is vital, as these can act as catalyst poisons or lead to unwanted side reactions.

When you decide to buy 4-biphenylboronic acid, obtaining a comprehensive Certificate of Analysis (CoA) from the manufacturer is a standard and necessary step. The CoA should detail the product's name, CAS number, batch number, appearance, assay, and the methods used for analysis. It is also beneficial to inquire about the product's stability and recommended storage conditions. Typically, boronic acids should be stored in a cool, dry place, protected from light and moisture, to maintain their integrity over time.

For those looking to procure this essential intermediate, partnering with a manufacturer that emphasizes quality control and provides detailed product information is highly recommended. Many reliable suppliers are located in China, offering competitive pricing and large-scale production capabilities. These manufacturers are often well-equipped to meet the stringent purity requirements of global industries.

We are committed to providing 4-Biphenylboronic acid that meets the highest standards of purity and quality. Our goal is to support your research and development endeavors with a reliable supply of this critical chemical intermediate. If you are seeking to purchase 4-biphenylboronic acid with guaranteed specifications, please contact us for a quote and to discuss your specific needs. Ensuring you have the right specifications is the first step towards successful synthesis.