Sodium phosphate dibasic heptahydrate (CAS 7782-85-6)

Sodium phosphate dibasic heptahydrate, a compound with the chemical formula Na2HPO4•7H2O, serves as a vital reagent in scientific research, with its multifaceted properties finding diverse applications across various disciplines. One prominent mechanism of action involves its role as a buffering agent in biochemical and molecular biology experiments. Its ability to maintain pH stability in aqueous solutions makes it invaluable in the preparation of buffers for enzyme assays, nucleic acid hybridization studies, and cell culture media. Additionally, sodium phosphate dibasic heptahydrate is extensively utilized in the purification and crystallization of biological macromolecules, such as proteins and nucleic acids. Its capacity to form insoluble complexes with certain proteins aids in their isolation and purification, while its presence in crystallization solutions facilitates the growth of high-quality protein crystals suitable for X-ray crystallography and structural biology studies. Moreover, research efforts have explored its role as a component in the formulation of phosphate-based fertilizers, highlighting its significance in agricultural science and soil chemistry. Overall, sodium phosphate dibasic heptahydrate continues to be a cornerstone in scientific investigations, owing to its diverse functionalities and broad utility in research applications ranging from biochemistry and molecular biology to agricultural science and materials chemistry.