Magnesium perchlorate
| Magnesium perchlorate | |
|---|---|
| 150px | |
| Identifiers | |
| CAS number | |
| Properties | |
| Molecular formula | Mg(ClO4)2 |
| Molar mass | 223.205 g/mol |
| Density | 2,60 g/cm3 |
| Melting point |
251 °C |
| Boiling point |
decomposition |
| Solubility in water | 99 g/100 g |
| Hazards | |
| MSDS | External MSDS |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
Magnesium perchlorate is a powerful oxidizing agent, with the formula Mg(ClO4)2.
Magnesium perchlorate decomposes at 250 °C.[1] The heat of formation is -568.90 kJ mol-1.[2]
Highly exothermic with addition of water, dilute with large amounts of water to offset this reaction.
It was used as desiccant to dry gas or air samples,[3][4] but is no longer advised due to hazards inherent in perchlorates.[5]
References
- ↑ CRC Handbook
- ↑ Lange's
- ↑ H. H. Willard, G. F. Smith (1922). "The Preparation and Properies of Magnesium Perchlorate and its Use as a Drying Agent". Journal of the American Chemical Society 44 (10): 2255 - 2259. doi:10.1021/ja01431a022.
- ↑ L. Wu, H. He (1994). "Preparation of perlite-based magnesium perchlorate desiccant with colour indicator". The Chemical Educator 41 (5): 633-637. doi:10.1016/0039-9140(94)80041-3.
- ↑ W. L. F. Armarego and C. Chai (2003). Purification of laboratory chemicals. Butterworth-Heinemann. ISBN 0750675713.
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