Used extensively in food preservation and seasoning due to its ability to enhance flavor and inhibit microbial growth. Commonly employed in the production of processed foods, canned goods, and cured meats. Plays a critical role in maintaining electrolyte balance in biological systems and is administered in intravenous fluids for hydration and nutrient delivery. Utilized in water softening systems to regenerate ion-exchange resins. Serves as a raw material in the chemical industry for the production of chlorine, sodium hydroxide, and other sodium compounds. Applied in de-icing roads and walkways during winter due to its freezing point depression effect on water. Also used in agriculture as a component in animal feed to meet sodium and chloride requirements.