Sodium metabisulphite used as a disinfectant, antioxidant, and preservative agent. Used as a cleaning agent for potable water reverse osmosis membranes in desalination systems. It is also used to remove chloramine from drinking water after treatment. Sodium metabisulphite has found use as a reducing agent in the manufacture of biscuits, especially the low-fat, low-sugar.

Application

Sodium Metabisulpite CAS Number: 7681-57-4; EC Number: 231-673-0. Sodium Metabisulpite is used as a sterilizer and an antioxidant for wine and beer processing. 

Sodium Metabisulpite is used in all commercial wines to prevent oxidation and preserve flavor.