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Thiosulfuric acid

Compounds
Thiosulfuric acid is the inorganic compound with the formula H₂S₂O₃. It has attracted academic interest as a simple, easily accessed compound that is labile. It has few practical uses. Wikipedia
Formula: H₂S₂O₃
Molar mass: 114.14 g/mol
Solubility in water: decomposes
3D model (JSmol): Interactive image
Acidity (pKa): pKa1 = 0.6; pKa2 = 1.74
Melting point: decomposes below 0 °C