Used in the food and beverage industry as an acidulant to enhance tartness and stabilize pH in products like soft drinks, candies, baking powders, and fruit juices. Commonly employed in wine production to adjust acidity and prevent unwanted crystallization. Serves as a chiral resolving agent in pharmaceutical manufacturing for separating enantiomers and helps stabilize active ingredients in formulations.

Utilized in metal cleaning and electroplating processes due to its ability to chelate metal ions, particularly for removing oxidation from copper and iron surfaces.

Also used in cosmetics as a mild acid for exfoliation and skin conditioning in products that gently remove dead skin cells.

Found in effervescent tablets for fizzing action and as an additive in photographic chemicals.