Used extensively in food preservation and seasoning, enhancing flavor and controlling microbial growth in processed foods. Employed in the production of chlorine and sodium hydroxide through electrolysis, which are key in manufacturing soaps, paper, and textiles. Acts as a de-icing agent on roads and walkways due to its ability to lower the freezing point of water. Utilized in medicine as a component of intravenous fluids and saline solutions for hydration and wound cleaning. Also serves as a standard in laboratory settings for calibration and solution preparation.