Used primarily as a buffering agent in various industries, it helps maintain stable pH levels in biochemical and chemical processes. In the food industry, it serves as a preservative and flavoring agent, enhancing the taste and shelf life of products. It is also employed in the textile industry as a neutralizing agent during dyeing processes to ensure even color distribution. In medical settings, it is utilized in dialysis solutions to regulate electrolyte balance. Additionally, it acts as a heat source in reusable hand warmers due to its ability to release heat upon crystallization.