Potassium bisulfite
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Potassium bisulfite | |
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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]