Used primarily as a reagent in biochemical research, this compound is effective in protein studies, particularly for modifying cysteine residues in proteins. It helps in the analysis of protein structure and function by selectively binding to thiol groups, enabling researchers to study protein interactions and conformational changes. Additionally, it has been utilized in the preparation of mercury derivatives for analytical purposes, aiding in the detection and quantification of specific biomolecules. Its application extends to the field of enzymology, where it assists in understanding enzyme mechanisms by acting as an inhibitor or modifier in enzymatic reactions.