Used extensively in food preservation and flavoring, enhancing taste in a wide range of processed and cooked foods. Employed in the production of various chemicals such as chlorine and sodium hydroxide through electrolysis. Serves as a de-icing agent on roads and walkways during winter due to its ability to lower the freezing point of water. Utilized in water softening systems to regenerate ion-exchange resins. Plays a critical role in medical applications, including intravenous therapy and saline solutions for wound cleaning and nasal irrigation. Also used in the textile and dyeing industries for improving dye uptake and in the leather tanning process.