Potassium bisulfite

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Potassium bisulfite
IUPAC name Potassium hydrogen sulfite
Other names Potassium bisulfite, potassium bisulphite solution, sulfurous acid, monopotassium salt, monopotassium sulfite
Identifiers
CAS number [7773-03-7]
Properties
Molecular formula KHSO3
Molar mass 120.1561 g/mol
Appearance White crystalline powder
Solubility in water soluble
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Potassium hydrogen sulfite or potassium bisulfite is a chemical compound with the chemical formula KHSO3. It is used during the production of alcoholic beverages as a sterilising agent. This additive is classified as E number E228 under the current EU approved food additive.[1]

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