Potassium disulfite (Potassium pyrosulfate) has been synthesized from potassium hydrogen sulfate, via melting.
Synonyms: Potassium pyrosulfate
Molecular Formula: K2S2O7
Molecular Weight: 254.32
Linear Structural Formula: K2S2O7
MDL Number: MFCD00011385
Purity: >=97.5% (T)
Density: 2.28 g/mL at 25 C (lit.)
Application: Potassium disulfite supported on silica may be used for the synthesis of ethyl pyruvate.
Other Notes: Reagent for the decomposition of basic metal oxides by fusion