Used as a complexing agent in electroplating baths to stabilize metal ions and improve deposit uniformity. Commonly employed in Fehling's solution for the detection of reducing sugars in analytical chemistry. Acts as a food additive to regulate acidity and improve texture in processed foods and beverages. Utilized in pharmaceutical formulations as an excipient to enhance solubility and stability of active ingredients. Serves as a mild laxative in some medicinal preparations. Also found in certain cleaning solutions for its chelating properties, helping to remove metal stains and deposits.