Magnesium sulfite: Difference between revisions
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==See also== |
==See also== |
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*[[Calcium sulfite]] |
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*[[Magnesium sulfate]], a.k.a. Epsom salt |
*[[Magnesium sulfate]], a.k.a. Epsom salt |
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{{Magnesium compounds}} |
{{Magnesium compounds}} |
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Revision as of 17:35, 26 June 2016
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| Names | |||
|---|---|---|---|
| IUPAC name
Magnesium sulfite
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| Other names
Magnesium sulphite
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| Identifiers | |||
| ChemSpider | |||
| ECHA InfoCard | 100.028.932 | ||
| EC Number |
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PubChem CID
|
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CompTox Dashboard (EPA)
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| Properties | |||
| MgSO 3 (anhydrous); MgSO 3·6H 2O | |||
| Molar mass | 104.368200 g/mol (anhydrous) 212.4599 g/mol (hexahydrate) | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Magnesium sulfite is the magnesium salt of sulfurous acid with the formula MgSO
3. Its most common hydrated form has 6 water molecules making it a hexahydrate, MgSO
3·6H
2O. When heated above 40 °C (104 °F), it is dehydrated to magnesium sulfite trihydrate, or MgSO
3·3H
2O.[1] The anhydrous form is hygroscopic, meaning that it readily absorbs water from the air.
References
- ^ Nývlt, J., "Solubilities of Magnesium Sulfite," Journal of Thermal Analysis and Calorimetry, Volume 66, Number 2 / November, 2001
See also
- Calcium sulfite
- Magnesium sulfate, a.k.a. Epsom salt