Sodium Metabisulfite is a white, crystalline powder commonly used as a preservative and antioxidant in food and beverages. It helps prevent spoilage by inhibiting the growth of bacteria and fungi. This compound is often found in products like dried fruits, wines, and some processed foods. In addition to its use in the food industry, Sodium Metabisulfite is also employed in various industrial applications, such as water treatment and photography. It acts as a reducing agent, helping to remove unwanted chemicals and impurities. Its versatility makes it an important chemical in both culinary and industrial settings.