Formula K2SO3 Appearance white solid | Molar mass 158.26 g/mol | |
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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.
References
Potassium sulfite Wikipedia(Text) CC BY-SA