What is 4 Toluenesulfonamide used for?

Editor:Jinli Chemical │ Release Time:2024-02-12 

4-Toluenesulfonamide is a chemical compound that has several uses across different industries. From a chemical perspective, it is important to note that 4-Toluenesulfonamide, also known as p-Toluenesulfonamide, is a white crystalline solid with the chemical formula C7H9NO2S. This compound is commonly used as a pharmaceutical intermediate and as a plasticizer in the production of polyvinyl chloride (PVC). In addition, it is utilized in the synthesis of various dyes, pigments, and other organic compounds.


Cost and Availability

4-Toluenesulfonamide is commercially available from chemical suppliers and can be purchased in bulk quantities. The cost of 4-Toluenesulfonamide varies depending on the supplier, quantity, and purity of the product. It is important to ensure that the supplier complies with safety and quality standards when purchasing this chemical compound.

Chemical Data

4-Toluenesulfonamide has a molecular weight of 171.22 g/mol and a melting point of approximately 140-142°C. It is soluble in organic solvents such as acetone, ethyl acetate, and chloroform, but has limited solubility in water. The compound should be stored in a cool, dry place away from incompatible materials and sources of ignition.



In the pharmaceutical industry, 4-Toluenesulfonamide is utilized as a key intermediate in the synthesis of various medications. It serves as a building block for the production of sulfonamide antibiotics and other pharmaceutical compounds. Additionally, its properties make it a suitable plasticizer for PVC, where it contributes to the flexibility and durability of the material. Moreover, it is employed in the creation of dyes and pigments, particularly as a component in the formation of azo dyes.

Safety and Handling

When working with 4-Toluenesulfonamide, it is crucial to adhere to proper safety precautions. This includes wearing appropriate personal protective equipment, such as gloves and goggles, and ensuring adequate ventilation in the workspace. Furthermore, it is important to handle and store the compound in accordance with its safety data sheet and to dispose of any waste materials in a responsible manner.


In conclusion

4-Toluenesulfonamide is a versatile chemical compound with diverse applications in pharmaceuticals, plastics, and the production of dyes and pigments. Its availability, chemical properties, and safety considerations make it an important component in various industrial processes.