In the realm of analytical chemistry, precision is paramount. For countless laboratory professionals and researchers, the ability to accurately determine the concentration of substances relies heavily on meticulous titration procedures. At the heart of many acid-base titrations lies a critical component: the pH indicator. Among these, Phenolphthalein (CAS 77-09-8) stands out as a widely recognized and indispensable tool. Its distinctive color change provides a clear visual cue, signaling the precise moment of neutralization, thereby ensuring the reliability of experimental results.

Phenolphthalein, a white to slightly yellowish crystalline powder, has been a staple in laboratories for decades. Its chemical formula, C20H14O4, belies its crucial function. The magic of Phenolphthalein lies in its response to changes in pH. In acidic and neutral solutions, it remains colorless, offering no visual indication. However, as the solution becomes alkaline, transitioning above a pH of approximately 8.2, Phenolphthalein undergoes a dramatic transformation, turning a distinct pink to fuchsia color. This sharp transition, occurring within a narrow pH range of 8.2 to 10.0, makes it exceptionally well-suited for titrations involving strong bases and weak acids, or vice versa. The visual confirmation of this color change allows chemists to accurately pinpoint the equivalence point of the reaction, a critical step in calculating unknown concentrations.

The demand for high-quality Phenolphthalein remains consistently strong. For businesses and research institutions, securing a reliable supply chain is as important as the purity of the chemical itself. As a dedicated manufacturer and supplier based in China, we understand the importance of consistency and quality. We offer Phenolphthalein with a guaranteed purity of 99.0% minimum, ensuring that your titrations yield accurate and reproducible results. When you choose to buy Phenolphthalein from us, you are investing in a product that meets rigorous quality standards, backed by efficient logistics and competitive price points. Understanding the needs of our B2B clients, we also facilitate bulk orders and provide essential technical documentation to support your procurement process. For any laboratory or industrial application requiring a dependable pH indicator, exploring our offerings for Phenolphthalein price and availability is a prudent step. We are committed to being your trusted supplier for this essential chemical reagent.

Beyond its primary role in titration, Phenolphthalein's unique properties lend themselves to other applications. It is utilized in industrial settings for pH monitoring and has historically been employed in pharmaceutical formulations. For those looking to procure this vital chemical, understanding the benefits of sourcing from an established manufacturer is key. We invite you to connect with us to discuss your specific requirements and to learn more about how you can purchase high-purity Phenolphthalein to enhance your analytical capabilities.