As a leading chemical supplier, we understand the importance of reliable reagents in scientific research and diagnostics. Today, we delve into the specifics of o-Cresolphthalein Complexone (CAS 2411-89-4), a crucial compound widely utilized as a metal complex indicator and an acid-base indicator. Its ability to form distinct color changes with metal ions makes it invaluable for various analytical applications, particularly in complexometric titrations.

Understanding o-Cresolphthalein Complexone: Key Properties

O-Cresolphthalein Complexone, with the CAS number 2411-89-4, is characterized by its white to off-white powder appearance. Its molecular formula is C32H32N2O12, and it possesses a molecular weight of 636.61. A key specification for this product is its assay, which is guaranteed to be ≥97.0%. The typical pH range for its indicator function is between 8.2 (colorless) and 9.8 (red), a characteristic that is vital for its use in titrations.

The Role of o-Cresolphthalein Complexone in Analysis

The primary application of o-Cresolphthalein Complexone lies in its function as an indicator for the complexometric titration of alkaline earth metals, specifically calcium (Ca) and magnesium (Mg). In acidic solutions, it chelates with these ions to produce a characteristic purple-red color. This property is leveraged extensively in laboratories for accurate quantitative analysis. Furthermore, it plays a significant role in the colorimetric estimation of calcium in serum, making it an essential component in clinical diagnostics and biochemical research. If you are looking to buy this critical reagent, ensuring a high purity and reliable supply is paramount.

Why Choose Us as Your Supplier?

As a dedicated manufacturer and supplier of fine chemicals, we pride ourselves on providing high-quality o-Cresolphthalein Complexone. Our commitment to quality assurance means that you receive a product that consistently meets stringent specifications. We understand the importance of supply chain stability for our clients in the research and pharmaceutical sectors. When you need to purchase o-Cresolphthalein Complexone, our efficient processes and commitment to customer satisfaction make us the preferred choice. We offer competitive pricing and reliable delivery across the globe. Explore our product offerings to see how we can support your analytical needs. Contact us today for a quote on o-Cresolphthalein Complexone and other essential laboratory chemicals.