4-Nitrophenol, bearing the CAS number 100-02-7, is a chemical compound that plays a vital role in numerous industrial and scientific applications. Its characteristic yellow crystalline appearance belies its versatility as a chemical intermediate and reagent. NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing high-quality 4-nitrophenol, ensuring that industries have access to a reliable source for their critical needs.

The compound's inherent chemical properties make it exceptionally useful. Its pKa of 7.16 at 22°C allows it to function effectively as a pH indicator, exhibiting a distinct color change from colorless/pale yellow to bright yellow as the pH rises. This property is invaluable in analytical chemistry for precise pH determination in various processes. The reliability of the 4-nitrophenol pH indicator capability is crucial for accurate experimental results.

In the specialized field of peptide synthesis, 4-nitrophenol derivatives are employed as activated esters. These are essential for the efficient formation of amide bonds, which are the building blocks of peptides and proteins. The application of 4-nitrophenol in peptide synthesis contributes to advancements in biotechnology and pharmaceutical research.

As a fundamental intermediate, 4-nitrophenol is instrumental in the synthesis of various high-value products. It serves as a key 4-nitrophenol pharmaceutical intermediate, vital for producing analgesics like paracetamol and other necessary medications. Additionally, its role as a p-nitrophenol dye precursor is central to the creation of vibrant colors found in textiles and other materials. For businesses seeking to procure this compound, understanding how to buy para-nitrophenol online from reputable 4-nitrophenol manufacturers ensures product integrity.

Safety is a paramount concern when handling any chemical. 4-Nitrophenol is classified as a hazardous substance and requires careful handling, storage, and transport. NINGBO INNO PHARMCHEM CO.,LTD. provides comprehensive safety documentation, including the 4-nitrophenol MSDS, to guide users in its safe application. Proper personal protective equipment and adherence to recommended handling procedures are essential.

The wide range of 4-nitrophenol industrial applications underscores its importance in modern manufacturing and research. From contributing to life-saving drugs to enabling the creation of colorful materials, 4-nitrophenol remains a critical component. NINGBO INNO PHARMCHEM CO.,LTD. is committed to supporting these diverse sectors with a consistent supply of high-quality 4-nitrophenol.