Potassium sulfite
Names | |
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IUPAC name
Potassium sulfite | |
Other names
E225 | |
Identifiers | |
10117-38-1 | |
ChemSpider | 23332 |
Jmol interactive 3D | Image |
PubChem | 24958 |
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Properties | |
K2SO3 | |
Molar mass | 158.26 g/mol |
Appearance | white solid |
soluble | |
Acidity (pKa) | 8 |
Hazards | |
Flash point | Non-flammable |
Related compounds | |
Other anions |
Potassium sulfate Potassium selenite |
Other cations |
Sodium sulfite |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references | |
Potassium sulfite (K2SO3) 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 (INS number 225). It is approved for use in Australia and New Zealand[1] and is not approved in the EU.[2]
References
- ↑ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.
- ↑ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
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