Used as a nitrogen source in fertilizers to promote plant growth, especially in rice and wheat cultivation. Employed in dry cell batteries as an electrolyte due to its conductive properties. Acts as a flux in soldering processes, helping to clean metal surfaces and improve solder adhesion. Utilized in cough medicines and expectorants to help loosen mucus in respiratory conditions. Serves as a pH adjuster and stabilizer in various industrial and pharmaceutical formulations. Commonly used in laboratories as a reagent for buffer solutions and in protein precipitation. Applied in the textile and leather industries for dyeing and tanning processes.