Composition: Sodium Metabisulfite 100% Grade: Anhydrous, Purified CAS Number: 7681-57-4 Density: 1.48 Chemical Formula: Na2S2O5 Molecular Weight: 104.06 g/mol Melting Point: 150°C (decomposes) Color: White solid Physical State: Solid Solubility Information: 667 g/L at 25°C Shelf…