Uses of Sodium Metabisulfite

Sodium metabisulfite (Na2S2O5) is a versatile chemical compound with many applications. Here are some common uses:

• Food Preservation: Used as a preservative and antioxidant to prevent spoilage and browning in foods and beverages (such as dried fruits, wines, and juices).
• Sanitizing Agent: Utilized in cleaning and sanitizing equipment in the brewing, winemaking, and food industries.
• Water Treatment: Removes excess chlorine and chloramine in water purification processes.
• Photographic Processing: Acts as a chemical in photographic developing solutions for removing stains and fixing images.
• Textile and Pulp Industry: Used for bleaching and removing excess chlorine during textile processing and paper manufacturing.
• Laboratory Applications: Acts as a reducing agent in some analytical and laboratory procedures.
• Cosmetics and Pharmaceuticals: Acts as an antioxidant and preservative in certain products.

Note: Sodium metabisulfite can be hazardous if inhaled or ingested. Always handle with proper safety measures.