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Catalog No. EBD6474
CAS 16731-55-8
Name Potassium metabisulfite
Synonyms: Potassiummetabisulfite K2S2O5 disulfurousacid,potassiumsalt(1:2) dipotassiumdisulfite dipotassiumpyrosulfite dipotassiummetabisulfite potassiumpyrosulfite(6ci) potassiumdisulfite(k2s2o5) potassiummetabisulfite(k2s2o5) pyrosulfurousacid,dipotassiumsalt(8ci) 2-(2-methylanilino)acetonitrile dipotassiumoxidosulfanesulfonateoxide sulfanesulfonicacid,hydroxy-,oxide,monopotassiumsalt
Molecular Formula: K2O5S2
Molecular Weight: 222.32
Melting Point: 190 °C
Solubility: water: 0.1 M at 20 °C, clear, colorless
Appearance: White to slightly yellowish fine cryst. powder