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 products like baking powders and effervescent tablets. Utilized in pharmaceutical formulations as an excipient to enhance solubility and stability of active ingredients. Also found in some biotechnology applications for protein crystallization due to its ability to modulate ionic environment.