Food and Beverage Industry, Chemical Industry, Textile Industry, Photography, Pharmaceutical Industry, Water Treatment, Mining Industry, Pulp and Paper Industry, Cosmetics and Personal Care, Textile Industry
Preservative in Foods, Antioxidant, Bleaching Agent, Reducing Agent, Water Treatment, Bleaching Agent, Photographic Processing, Dechlorination, Ore Processing, Disinfectant
Sodium Pyrosulfite, Disodium Pyrosulfite, Pyrosulfurous Acid, Disodium Salt, Sodium Disulphite, SMBS
Na2S2O5
7681-57-4
28321090
Sodium metabisulphite (also known as sodium metabisulfite or sodium pyrosulfite) is a chemical compound with the formula Na₂S₂O₅. It is commonly used across various industries for its properties as a reducing agent, preservative, and antioxidant. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent. When dissolved in water it forms sodium bisulfite.