Used extensively in food preservation and flavoring due to its ability to enhance taste and inhibit microbial growth. Commonly employed in the production of processed foods, canned goods, and cured meats. Serves as a key component in medical applications, such as intravenous saline solutions for rehydration and maintaining electrolyte balance. Widely utilized in water treatment processes to regenerate ion-exchange resins for water softening. Plays a critical role in the chemical industry as a raw material for the production of chlorine, sodium hydroxide, and other sodium compounds. Also applied in de-icing roads and walkways during winter due to its ability to lower the freezing point of water.