Identifiers | |
---|---|
| |
3D model (JSmol)
|
|
ChemSpider | |
ECHA InfoCard | 100.030.086 |
PubChem CID
|
|
RTECS number |
|
UNII | |
CompTox Dashboard (EPA)
|
|
| |
| |
Properties | |
Mg(ClO4)2 | |
Molar mass | 223.206 g/mol |
Appearance | white powder, deliquescent |
Odor | odorless |
Density | 2.21 g/cm3 (anhydrous) 1.98 g/cm3 (hexahydrate) |
Melting point | 251 °C (484 °F; 524 K) (anhydrous) 95-100 °C (hexahydrate) |
Boiling point | decomposition |
99.3 g/100 mL | |
Solubility in ethanol | 23.96 g/100 mL |
Hazards[1] | |
Occupational safety and health (OHS/OSH): | |
Main hazards
|
Oxidizer |
GHS labelling: | |
Danger | |
H272, H315, H319, H335 | |
P220, P261, P305+P351+P338 | |
NFPA 704 (fire diamond) | |
Safety data sheet (SDS) | External MSDS |
Related compounds | |
Other cations
|
Calcium perchlorate Barium perchlorate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Magnesium perchlorate is a powerful oxidizing agent, with the formula Mg(ClO4)2. The salt is also a superior drying agent for gas analysis.
Magnesium perchlorate decomposes at 250 °C.[2] The heat of formation is -568.90 kJ/mol.[3]
The enthalpy of solution is quite high, so reactions are done in large amounts of water to dilute it.
It is sold under the trade name anhydrone. Manufacture of this product on a semi-industrial scale was first performed by G. Frederick Smith in his garage in Urbana Illinois, but later at a permanent facility in Columbus, OH called G. Frederick Smith Chemical Co. He sold the magnesium perchlorate to A. H. Thomas Co., now Thomas Scientific, under the trade name Dehydrite.