The chemical industry relies on a foundational understanding of synthesis and properties to drive innovation. 4-Nitrobenzenesulfonic Acid (CAS 138-42-1) is a fine chemical whose production and characteristics are of significant interest. NINGBO INNO PHARMCHEM CO.,LTD. provides this essential compound and offers insights into its chemical nature, including its primary synthesis route and key physical attributes.

The primary industrial method for producing 4-Nitrobenzenesulfonic Acid involves the hydrolysis of 4-nitrobenzenesulfonyl chloride. This reaction, where 4-nitrobenzenesulfonyl chloride reacts with water, yields 4-Nitrobenzenesulfonic Acid and hydrochloric acid. This straightforward yet crucial process ensures a reliable supply of the compound for various applications. The understanding of this synthesis, including the hydrolysis of 4-nitrobenzenesulfonyl chloride, is fundamental for chemical manufacturers and researchers alike.

Physically, 4-Nitrobenzenesulfonic Acid typically appears as a beige to yellow-orange crystalline powder. Its properties, such as a melting point range of 105-112 °C and a density of approximately 1.548 g/cm³, are important for handling, storage, and application considerations. The compound's solubility profile, being slightly soluble in DMSO and water at room temperature but more soluble in water at elevated temperatures, also dictates its usage in different reaction media. These detailed chemical properties are vital for accurate analytical characterization of 4-nitrobenzenesulfonic acid, ensuring its suitability for specific processes.

Beyond its physical form, the chemical reactivity of 4-Nitrobenzenesulfonic Acid is notable. As a strong acid, it participates readily in acid-catalyzed reactions. The electron-withdrawing effect of the nitro group further influences the electronic distribution within the molecule, impacting its overall reactivity and making it a valuable tool in organic synthesis. Researchers often investigate the pharmaceutical applications of nitrobenzenesulfonic acid due to its role as an intermediate in creating biologically active compounds.

NINGBO INNO PHARMCHEM CO.,LTD. is a reliable source for high-quality 4-Nitrobenzenesulfonic Acid, supporting industries that depend on precise chemical synthesis. Whether it's for catalytic purposes or as a building block for more complex molecules, the consistent quality of this compound is paramount. Companies seeking to buy 4-Nitrobenzenesulfonic Acid can trust NINGBO INNO PHARMCHEM CO.,LTD. for their chemical needs, ensuring reliable access to this important fine chemical.

In conclusion, a thorough understanding of the synthesis and properties of 4-Nitrobenzenesulfonic Acid is key to its effective utilization. NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing this critical chemical, enabling advancements across various scientific and industrial sectors.