In the realm of analytical chemistry, precise and reliable indicators are fundamental for accurate experimental outcomes. O-Cresolphthalein Complexone (CAS 2411-89-4) stands out as a vital reagent, primarily recognized for its role as a metal complex indicator and a sensitive acid-base indicator. As a trusted supplier of specialty chemicals, we are dedicated to providing researchers and industrial chemists with top-grade materials, including this essential indicator.

Key Features and Chemical Profile

O-Cresolphthalein Complexone presents as a fine white to off-white powder, offering excellent stability for storage and handling. Its chemical structure (C32H32N2O12) corresponds to a molecular weight of 636.61. The compound's utility as an indicator is most pronounced within a specific pH range, typically from 8.2 to 9.8, where it transitions from colorless to red. This distinct colorimetric response is crucial for its applications in complexometric titrations, allowing for the clear identification of endpoints. With an assay of ≥97.0%, our product ensures the accuracy required for demanding analytical procedures.

Applications in Complexometric Titrations and Beyond

The primary application for o-Cresolphthalein Complexone is as an indicator in complexometric titrations, particularly for determining the concentration of alkaline earth metal ions like calcium (Ca) and magnesium (Mg). When these ions are present, the indicator forms a stable, colored complex, signaling the completion of the titration. Its use extends to the determination of calcium in biological samples, such as serum, where accurate measurement is critical for diagnostic purposes. For professionals seeking to buy high-quality o-Cresolphthalein Complexone, considering the source is important. We are a reputable manufacturer in China, committed to delivering consistent quality.

Securing Your Supply of O-Cresolphthalein Complexone

For laboratories and industries requiring a dependable source of o-Cresolphthalein Complexone, we offer a seamless procurement experience. Our streamlined process allows for easy inquiries and prompt responses to requests for quotes. By choosing us as your supplier, you gain access to a product that meets rigorous quality standards, backed by efficient logistics. Whether you are engaged in academic research, clinical diagnostics, or industrial quality control, our commitment is to provide the essential chemicals you need to achieve accurate and reproducible results. Contact us today to learn more about purchasing o-Cresolphthalein Complexone and how we can support your specific analytical requirements.