For professionals in the chemical industry, the consistent availability of high-quality intermediates is non-negotiable. 4-(4-Hydroxyphenylazo)benzoic acid ethyl ester, known by its CAS number 4418-89-7, is a compound that warrants attention due to its utility in various chemical processes. This article provides an overview of this intermediate, with a focus on its quality specifications and procurement from China-based manufacturers, aimed at R&D scientists and purchasing managers.

Understanding the Intermediate: Properties and Specifications
4-(4-Hydroxyphenylazo)benzoic acid ethyl ester is typically supplied as a powder and is recognized for its high purity, often exceeding 97%. This purity level is critical for its effectiveness as a chemical intermediate, ensuring reliable performance in synthesis reactions and minimizing the introduction of impurities into final products. Its molecular structure, featuring an azo linkage and ester functional group, makes it a versatile building block for a wide range of organic compounds.

Key Applications Driving Demand
The demand for 4-(4-hydroxyphenylazo)benzoic acid ethyl ester is primarily driven by its applications in two key sectors: the dye industry and pharmaceutical research. As a precursor in dye synthesis, it contributes to the creation of a diverse palette of colors used in textiles, plastics, and other materials. Its ability to form azo compounds with varied chromophoric properties makes it a valuable component for colorant manufacturers.

In the pharmaceutical realm, this intermediate serves as a potential building block for novel drug discovery. Researchers utilize such compounds to synthesize complex molecules that may exhibit therapeutic activity. Therefore, the consistent supply of a high-purity chemical intermediate like this is essential for advancing pharmaceutical research and development pipelines. Scientists looking to buy this product for experimental purposes will find its availability from reputable sources invaluable.

Procurement from China: Quality Assurance and Cost-Effectiveness
China has emerged as a global leader in the production of chemical intermediates. Manufacturers in China offer 4-(4-hydroxyphenylazo)benzoic acid ethyl ester with stringent quality control measures, ensuring that the 97% minimum purity is met consistently. This focus on quality, coupled with cost-effective manufacturing processes, makes Chinese suppliers an attractive option for global buyers. Procurement managers can benefit from competitive pricing by sourcing directly from established manufacturers.

When selecting a supplier, it is advisable to inquire about their manufacturing practices, quality control procedures, and the availability of supporting documentation such as Certificates of Analysis (CoA). Requesting samples is also a crucial step to verify product quality and supplier reliability before making larger commitments. The availability of various packaging sizes, from small research quantities to bulk industrial supplies, further caters to diverse customer needs.

In conclusion, 4-(4-hydroxyphenylazo)benzoic acid ethyl ester (CAS: 4418-89-7) is a critical intermediate with broad applications. By prioritizing quality and partnering with reliable manufacturers in China, businesses can secure this essential compound to drive innovation and maintain production efficiency.