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Sodium (sulfonatodisulfanyl)sulfonate dihydrate
|Molar mass||306.2665 g/mol (dihydrate)|
|Density||2.1 g/mL (25 ℃)|
|30.6 g/L (20 ℃)|
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Sodium tetrathionate is a salt of sodium and tetrathionate with the molecular formula Na2S4O6. The structure of sodium tetrathionate is somewhat like two sodium thiosulfate (Na2S2O3) molecules joined together at the S+2 ends.
Sodium tetrathionate is formed by the oxidation of sodium thiosulfate (Na2S2O3) with liquid iodine (I2). The sodium tetrathionate Na2S4O6 formed can be isolated from the solution by fractional crystallization.
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