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SMBS ( Sodium Meta Bi Sulphite)
Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. 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.
Application
Chemical formula | Na2S2O5 |
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Molar mass | 190.107 g/mol |
Appearance | White to yellow powder |
Odor | Faint SO2 |
Density | 1.48 g/cm3 |
Melting Point | 170 °C (338 °F; 443 K) decomposition begins at 150 °C |
Solubility in water | 45.1 g/100 mL (0 °C) |
Solubility | Very soluble in glycerol |
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