| IUPAC name
| Other names
|3D model (Jmol)||Interactive image|
|E number||E225 (preservatives)|
|Molar mass||158.26 g/mol|
| Potassium sulfate|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|(what is ?)|
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 and is not approved in the EU.
- 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.