Phenolphthalein, identified by its CAS number 77-09-8, is a compound that holds significant importance in various scientific and industrial sectors. Primarily recognized for its function as a pH indicator, it undergoes a distinct color change from colorless to pink or magenta within a specific pH range, typically between 8.2 and 10.0. This characteristic makes it an indispensable tool in laboratories for acid-base titrations, allowing chemists to accurately determine the endpoint of a reaction.

Beyond its analytical applications, Phenolphthalein also finds its way into the formulation of cosmetic raw materials and oral care chemicals. Its properties are harnessed to create products that are both effective and safe for consumer use. The availability of high-purity Phenolphthalein powder, often with an assay of 99%, is crucial for ensuring consistent performance and adherence to regulatory standards in these sensitive industries. Manufacturers and suppliers emphasize the stability of this compound, ensuring that it maintains its efficacy over time when stored correctly.

When considering the purchase of Phenolphthalein, understanding its key attributes like its white powder appearance and specific CAS number (77-09-8) is vital. The chemical itself is quite stable, though it's important to note its incompatibility with strong oxidizing agents and alkalies. This stability is a key selling point for businesses that rely on a consistent supply for their manufacturing processes. For those looking to buy Phenolphthalein, seeking out reputable suppliers who provide detailed product specifications and quality certifications is paramount. The price of Phenolphthalein can vary based on purity and quantity, making it essential to compare options to secure the best value for your specific needs.

The demand for Phenolphthalein remains robust due to its fundamental role in chemical analysis and its utility in consumer product manufacturing. Whether it's used for precise pH indication in a laboratory setting or as a vital ingredient in advanced formulations, Phenolphthalein continues to be a chemical of choice. By understanding the nuances of this compound, from its chemical formula to its various applications, businesses can confidently integrate it into their operations, ensuring both quality and efficiency.