Used extensively in food preservation and seasoning, enhancing flavor and controlling microbial growth in products like cured meats, cheeses, and canned goods. Employed in the chemical industry as a raw material for chlorine, sodium hydroxide, and soda ash production. Utilized in water treatment to regenerate ion-exchange resins and soften hard water. Commonly used in medical settings as a saline solution for intravenous therapy, wound cleaning, and contact lens rinsing. Applied in de-icing roads and sidewalks during winter due to its ability to lower the freezing point of water. Also serves as an electrolyte in batteries and in laboratory procedures for buffer and solution preparation.