2,2',2'',2'''-[(3',6'-Dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-2',7'-diyl)bis(methylenenitrilo)]tetraacetic acid(CAS: 1461-15-0)

2,2',2'',2'''-[(3',6'-Dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-2',7'-diyl)bis(methylenenitrilo)]tetraacetic acid (CAS: 1461-15-0) is a complex organic compound that contains multiple functional groups, including hydroxyl, ketone, and carboxylic acid groups. It is a tetraacetic acid derivative with a spirocycle structure, making it useful in various analytical and pharmaceutical applications. Its molecular formula is C26H22N4O10, and it is typically a white crystalline solid with high solubility in polar solvents.

This compound is primarily used in pharmaceutical research for its chelating properties and as a ligand in metal ion detection. It also finds applications in the development of contrast agents for medical imaging and in biochemical assays. Due to its structural complexity, it is utilized in analytical chemistry for its ability to bind specific metal ions with high affinity, aiding in trace element analysis and spectroscopy techniques.

This compound is generally considered safe when handled according to standard laboratory protocols. However, it should be treated with care due to its potential for causing skin and eye irritation. Safety data sheets (SDS) recommend using appropriate personal protective equipment (PPE), such as gloves and safety goggles, during handling. It is not classified as toxic under normal conditions but should be stored and used in a well-ventilated area to ensure safety.

The compound should be stored in a cool, dry place away from direct light. It is best kept in a sealed, airtight container at a temperature below 25°C to maintain stability. Due to its hygroscopic nature, it should be protected from moisture and humidity. Storage in a controlled environment is essential to preserve its chemical integrity and ensure safe handling.