Names | |
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IUPAC name
Disodium disulfate
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Other names
Sodium pyrosulphate; Disulfuric acid disodium salt.
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Identifiers | |
13870-29-6 | |
ChEMBL | ChEMBL111016 |
Jmol interactive 3D | Image |
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Properties | |
Na2S2O7 | |
Molar mass | 222.12 g/mol |
Appearance | Translucent white crystals |
Density | 2.658 g/cm3 |
Melting point | 400.9 °C (753.6 °F; 674.0 K) |
Boiling point | decomposes at 460 °C (860 °F; 733 K) |
Soluble | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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verify (what is ?) | |
Infobox references | |
Sodium pyrosulfate is a salt of sodium and pyrosulfate, obtained by the dehydration of sodium bisulfate. This is an intermediate stage in the preparation of sulfur trioxide.
See also
References
- ^ Olsen, J. C., ed. (1934). Van Nostrand's Chemical Annual. London: Chapman and Hall.