For any professional involved in chemical procurement or laboratory analysis, verifying the quality and specifications of chemical compounds is non-negotiable. N,N'-Diphenyl-N,N'-di-p-tolyl-benzidine, identified by its CAS number 20441-06-9, is a specialized organic chemical crucial for applications such as electrochemical sensing. Ensuring that the blue powder you purchase meets your exact requirements—particularly regarding purity and physical properties—is key to achieving reliable and reproducible results. This guide outlines essential verification steps when sourcing this compound.

The primary specification for N,N'-diphenyl-N,N'-di-p-tolyl-benzidine is its purity, often stated as an assay percentage (e.g., 97% min). Reputable chemical manufacturers and suppliers will readily provide a Certificate of Analysis (CoA) with each batch, detailing the purity, identified impurities, and analytical methods used (such as HPLC). When you buy this chemical, always request and review the CoA. For those looking to purchase from China, our company prioritizes transparency, providing comprehensive documentation to assure you of the quality of our N,N'-diphenyl-N,N'-di-p-tolyl-benzidine.

Beyond purity, understanding other specifications is important. The molecular formula (C33H24BrN) and molecular weight (514.45) are fundamental identifiers. Visual appearance, such as the characteristic blue powder, also serves as an initial quality check. For sensitive applications like ion-selective electrode formulation, consistency in physical form and particle size can be relevant. When sourcing from a new supplier, it's wise to procure a sample first to conduct your own verification tests and assess its suitability for your specific process.

Choosing a supplier that not only meets these specifications but also offers excellent customer support and responsive communication is crucial. We, as a dedicated chemical supplier, are committed to providing clear product information and technical support. If you have specific quality verification needs for N,N'-diphenyl-N,N'-di-p-tolyl-benzidine or any other chemical raw material, we encourage you to reach out. Our goal is to ensure you can confidently buy high-quality chemicals that meet all your project requirements, backed by our reliable service and expertise.