Potassium Metabisulphite
Chemicals
Potassium Metabisulphite
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Potassium metabisulfite, K₂S₂O₅, also known as potassium pyrosulfite, is a white crystalline powder with a pungent sulfur odour. The main use for the chemical is as an antioxidant or chemical sterilant.
Formula: K2S2O5
