Sodium chloride solution is widely used in medical settings as a saline solution for intravenous therapy, helping to replenish fluids and electrolytes in patients experiencing dehydration or blood loss. It is also employed as a nasal irrigation solution to alleviate congestion and maintain nasal hygiene. In laboratories, it serves as a buffer or diluent in various biochemical and molecular biology experiments. Additionally, it is utilized in food processing for brining, curing, and preserving meats and vegetables, enhancing flavor and extending shelf life. In industrial applications, it is used for de-icing roads and as a heat transfer medium in certain cooling systems.