Sodium Metabisulphite is widely utilized as a preservative and antioxidant in food industry with E number E223. It also finds application in homebrewing and making for sanitizing equipments. This compound is most commonly utilized as cleaning agent for reverse osmosis water purifying membranes. It is known to have ability to eliminate chloramines from treated drinking water. Sodium Metabisulphite has faint SO2 like odor with white colored powdery appearance and molar mass of 190.107 g/mol.
Has melting point of 170 degrees Celsius
It is an inorganic compound
Possesses disinfectant and antioxidant properties