Calconcarboxylic Acid, identified by CAS number 3737-95-9, is a crucial organic compound widely employed in analytical chemistry, particularly as an indicator in complexometric titrations. Its distinct properties allow for precise determination of calcium ions, making it an indispensable reagent in various scientific and industrial applications. For professionals seeking to procure this chemical, understanding its characteristics and sourcing channels is vital. This article provides an overview of Calconcarboxylic Acid, its applications, and guidance on purchasing it from reliable sources.

The chemical structure of Calconcarboxylic Acid is complex, featuring naphthalene rings, a carboxylic acid group, a hydroxyl group, and an azo linkage, along with a sulfo group, contributing to its solubility and indicator properties. Its molecular formula is C21H14N2O7S, with a molecular weight of approximately 438.41 g/mol. Typically appearing as a dark violet to black powder, it exhibits a characteristic color change when it forms complexes with metal ions, most notably calcium, in the presence of a suitable pH buffer. This makes it an excellent visual aid for endpoint detection in titrations.

The primary application of Calconcarboxylic Acid is its use as a sensitive indicator in the complexometric titration of calcium with EDTA. This method is fundamental in water analysis, food chemistry, and various industrial quality control processes where accurate calcium quantification is necessary. When used in conjunction with magnesium ions (often added as a hardness indicator), Calconcarboxylic Acid provides a clear visual signal at the titration's end. Researchers can also buy Calconcarboxylic Acid for more specialized laboratory analyses, including its use in developing new analytical methodologies or in biochemical research involving metal ion interactions.

For organizations requiring this reagent, identifying a dependable Calconcarboxylic Acid supplier is a priority. When you need to purchase Calconcarboxylic Acid, consider suppliers that offer high purity grades and provide comprehensive product documentation, such as Certificates of Analysis (CoAs). These documents confirm the purity, appearance, and other critical specifications, ensuring the reagent's suitability for your analytical needs. Many global suppliers, including those with manufacturing facilities in China, offer this chemical. Requesting a quotation from a trusted manufacturer allows for competitive pricing and a reliable supply chain.

When comparing options, look for suppliers with strong customer service and efficient logistics. The availability of different quantities, from laboratory-scale grams to bulk industrial amounts, is also an important consideration. Whether for routine analysis or advanced research, ensuring the quality and availability of Calconcarboxylic Acid (CAS 3737-95-9) directly impacts the reliability of your results.

In summary, Calconcarboxylic Acid is a vital analytical reagent with well-defined applications. By understanding its properties and sourcing it from reputable chemical suppliers or manufacturers, laboratories and industries can ensure the accuracy and efficiency of their calcium determination processes.