Potassium Metabisulfite by bioPLUS $51.63 100 g - $51.63 100 g Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Specifications Documents Technical Specifications Synonyms: Potassium Metabisulfite CAS#: 16731-55-8 Molecular Weight: 222.32 Molecular Formula: K2S2O5 Shelf Life: 1 year Ship Temperature: RT Storage Temperature: RT Composition Technical Documentation