Used in the food and beverage industry as an acidulant to enhance tartness and stabilize pH in products like soft drinks, candies, and baking powders. Commonly employed in winemaking to adjust acidity and prevent crystallization of potassium bitartrate. Serves as a chiral resolving agent in pharmaceutical synthesis due to its optical activity. Applied in metal cleaning and electroplating processes for its ability to chelate metal ions. Also utilized in the production of effervescent tablets and as a component in certain photographic chemicals.