Used as a buffering agent in pharmaceuticals and biological solutions to maintain stable pH levels. Commonly found in anticoagulant solutions for blood collection tubes, where it prevents clotting by binding calcium ions. Employed in food and beverage industries as an emulsifying and stabilizing agent, especially in processed cheeses and soft drinks. Also utilized in medical formulations for urine alkalization and as a component in dialysis solutions. Its ability to chelate metal ions makes it useful in cleaning products and detergents.