Used in clinical laboratories for protein precipitation in urine and blood analysis, aiding in the detection of proteins to diagnose kidney-related conditions. It is also employed as a reagent in biochemical research for protein quantification and purification processes. In the textile industry, it serves as a mordant and auxiliary in dyeing processes to improve color fastness. Additionally, it is utilized in the synthesis of certain pharmaceuticals and organic compounds due to its acidic and chelating properties. Its ability to form complexes with metal ions makes it useful in analytical chemistry for metal ion detection and separation. Furthermore, in the paper industry, it is used to improve the quality of cellulose fibers.