3-[N,N-Bis(hydroxyethyl)amino]-2-hydroxypropanesulphonic acid sodium salt, also known as BES sodium salt, is a chemical compound commonly used in biochemical research and pharmaceutical applications. It is a sulfonic acid derivative with the sodium salt form, making it water-soluble and stable in aqueous solutions.
BES sodium salt has a molecular formula of C10H22NNaO6S and a molecular weight of approximately 323.34 g/mol. It is often utilized as a buffering agent due to its ability to maintain a stable pH range in solutions.
This compound is known for its excellent capability to resist pH changes caused by dilution or addition of acids and bases. It is commonly used in biological and enzymatic reactions, cell culture media, protein purification, and other applications where precise control of pH is crucial.