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. Serves as a key ingredient in pharmaceuticals, particularly in intravenous fluids and saline solutions for medical hydration and wound cleaning. Utilized in water softening systems to regenerate ion-exchange resins. Plays a role in de-icing roads and walkways during winter by lowering the freezing point of water. Industrially applied in the manufacture of chlorine, sodium hydroxide, and soda ash through electrolysis and other chemical processes. Also used in textile dyeing, paper production, and as a cleaning agent in metal treatment.