For professionals in the chemical industry, a deep understanding of the materials they work with is crucial for innovation and efficient production. 4-Amino-2-chloro-5-hydroxybenzenesulfonamide, identified by CAS number 41606-65-9, is one such compound that holds significant value, particularly as an intermediate in the synthesis of dyes. This article aims to provide a comprehensive overview of its key properties and applications, guiding procurement managers and R&D scientists in their sourcing decisions.

The compound, often described as a white to off-white powder or crystalline solid, boasts a molecular formula of C6H7ClN2O3S and a molecular weight of approximately 222.65. Its physical state and stability under recommended storage conditions—in a cool, dry place, with containers kept closed—ensure its usability for various industrial processes. A critical specification for this intermediate is its purity, which is typically maintained at a minimum of 97%. This high purity is essential for achieving the desired performance characteristics in the final dye products, making it vital to source from a manufacturer committed to quality control.

The primary application of 4-Amino-2-chloro-5-hydroxybenzenesulfonamide lies in its role as a dyestuff intermediate. It is a key precursor for a wide range of azo dyes, which are celebrated for their vibrant hues and versatility across multiple industries, including textiles, printing inks, and coatings. The specific arrangement of functional groups—amino, chloro, hydroxyl, and sulfonamide—on the benzene ring allows for precise chemical transformations necessary for creating stable and effective colorants. Its synonyms, such as 2-aminophenol-4-chloro-5-sulfonamide, further attest to its chemical identity.

For businesses looking to purchase this essential chemical, identifying a reliable supplier is paramount. Manufacturers in China often provide access to high-quality intermediates like 4-Amino-2-chloro-5-hydroxybenzenesulfonamide at competitive prices. When you decide to buy, it is advisable to inquire about product specifications, lead times, and potential for free samples to ensure the material meets your exact requirements. A strong partnership with a reputable chemical supplier ensures a stable and cost-effective supply chain.

In essence, understanding the chemical properties and application landscape of 4-Amino-2-chloro-5-hydroxybenzenesulfonamide empowers industry professionals to make informed decisions. By prioritizing purity and partnering with trusted manufacturers, businesses can leverage this intermediate to create high-quality dyes and other specialty chemicals, driving innovation and market success.