Potassium sulfite
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Potassium sulfite | |
---|---|
IUPAC name | Dipotassium sulfite |
Other names | Potassium sulphite E225 |
Identifiers | |
CAS number | |
PubChem | |
SMILES | [O-]S(=O)[O-].[K+].[K+] |
Properties | |
Molecular formula | K2SO3 |
Molar mass | 158.26 g/mol |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
Potassium sulfite (potassium sulphite) is a chemical compound which is the salt of potassium cation and sulfite anion. As a food additive it is used as a preservative under the E number E225.