Azocal A, also known as trisodium 4-[(2-carboxyphenyl)diazenyl]-3-oxidonaphthalene-2,7-disulfonate, is a specialized reagent widely utilized in analytical chemistry for the determination of calcium ions in various samples. This compound exhibits excellent solubility in water, making it an ideal choice for laboratory applications where precise calcium quantification is required. Its unique azo structure enhances its sensitivity and specificity, allowing researchers to achieve accurate results in complex matrices. Azocal A is particularly beneficial in fields such as environmental monitoring, food safety testing, and clinical diagnostics, where calcium levels are critical indicators of health and quality.

In addition to its analytical applications, Azocal A serves as a valuable tool in educational settings, providing students and researchers with hands-on experience in titration and spectrophotometric analysis. Its reliability and effectiveness in detecting calcium make it a preferred choice among professionals seeking to ensure compliance with regulatory standards. With its proven track record, Azocal A stands out as a trusted reagent for calcium determination, facilitating advancements in research and industry practices.