System: sulfurous acid dipotassium salt/water/sulfurous acid

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1) sulfurous acid dipotassium salt
DECHEMA ID520
FormulaK2O3S
Synonymdipotassium sulfite
Synonympotassium sulfite
InChi-KeyBHZRJJOHZFYXTO-UHFFFAOYSA-L
Registry No.10117-38-1
2) water
DECHEMA ID41137
FormulaH2O
Synonymrefrigerant 718
Synonymice
Synonymdihydrogen oxide
Synonymhydrogen oxide
InChi-KeyXLYOFNOQVPJJNP-UHFFFAOYSA-N
Registry No.7732-18-5
3) sulfurous acid
DECHEMA ID41320
FormulaH2O3S
InChi-KeyLSNNMFCWUKXFEE-UHFFFAOYSA-N
Registry No.7782-99-2

Available physical property data:

PropertyPhaseNo. of tablesNo. of linesData
solid-liquid equilibrium-18View
solubility-18View