The chemical industry is the backbone of countless manufacturing processes, and within the realm of colorants, specific intermediate compounds are indispensable. One such crucial component is 2-(phenylsulfonyl)aniline, identified by its CAS number 4273-98-7. This aromatic sulfone derivative plays a pivotal role in the synthesis of various dyes, particularly acid dyes, which are widely used in the textile and leather industries. For both manufacturers and purchasers, understanding the properties and supply dynamics of this compound is key.

2-(Phenylsulfonyl)aniline, often referred to by its synonyms such as 2-Aminodiphenyl Sulfone or O-(Phenylsulfonyl)aniline, possesses a unique chemical structure that makes it an excellent precursor for creating specific chromophores. Its molecular formula, C12H11NO2S, and molecular weight of approximately 233.29 g/mol, along with its physical appearance as an off-white to tan crystalline powder, provide manufacturers with essential data points for formulation. Its melting point typically ranges from 120-122 °C, a characteristic that is vital for process control during synthesis.

The primary application of 2-(phenylsulfonyl)aniline lies in its use as a dye intermediate. It is instrumental in the production of dyes like Acid Yellow 246, Acid Yellow 61, Acid Yellow 25, and Acid Red 42. These dyes are valued for their brilliant hues and good fastness properties on protein fibers like wool and silk, as well as on nylon. For dye manufacturers, sourcing a consistent and high-quality supply of this intermediate is paramount to ensure the color consistency and performance of their final dye products. When you are looking to buy this chemical, ensure your supplier provides a clear certificate of analysis.

For businesses involved in the chemical supply chain, understanding the market for intermediates like 2-(phenylsulfonyl)aniline is crucial. As a manufacturer, optimizing the production process to yield high purity is a competitive advantage. For buyers, identifying reliable suppliers in major chemical-producing regions, such as China, can lead to cost savings and ensure a stable procurement process. Inquiring about the price of 2-(phenylsulfonyl)aniline and minimum order quantities from potential manufacturers is a standard practice.

In essence, 2-(phenylsulfonyl)aniline is more than just a chemical compound; it is a foundational element enabling the creation of vibrant colors that enrich our world. Its role as a key dye intermediate underscores the intricate chemistry involved in modern manufacturing and highlights the importance of a robust and informed supply chain for chemical products.