Magnesium hydride

Magnesium hydride
Names
	IUPAC name Magnesium hydride
Identifiers
CAS Number	7693-27-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:25107 ;
ChemSpider	16787263 ;
ECHA InfoCard	100.028.824
EC Number	231-705-3;
PubChem CID	107663;
UNII	Y93032D743 ;
	InChI InChI=1S/Mg.2H Key: RSHAOIXHUHAZPM-UHFFFAOYSA-N ; InChI=1/Mg.2H/rH2Mg/h1H2 Key: RSHAOIXHUHAZPM-HZAFDXBCAG;
	SMILES [MgH2];
Properties
Chemical formula	MgH2
Molar mass	26.3209 g/mol
Appearance	white crystals
Density	1.45 g/cm3
Melting point	327 °C (621 °F; 600 K) decomposes
Solubility in water	decomposes
Solubility	insoluble in ether
Structure
Crystal structure	tetragonal
Thermochemistry
Heat capacity (C)	35.4 J/mol K
Std molar; entropy (S⦵298)	31.1 J/mol K
Std enthalpy of; formation (ΔfH⦵298)	-75.2 kJ/mol
Gibbs free energy (ΔfG⦵)	-35.9 kJ/mol
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	pyrophoric
Related compounds
Other cations	Beryllium hydride; Calcium hydride; Strontium hydride; Barium hydride
Related Magnesium hydrides	Magnesium monohydride Mg4H6
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Magnesium hydride is the chemical compound with the molecular formula MgH₂. It contains 7.66% by weight of hydrogen and has been studied as a potential hydrogen storage medium.^[2]

^ Michalczyk, Michael J (1992). "Synthesis of magnesium hydride by the reaction of phenylsilane and dibutylmagnesium". Organometallics. 11 (6): 2307–2309. doi:10.1021/om00042a055.
^ Bogdanovic, Borislav (1985). "Catalytic Synthesis of Organolithium and Organomagnesium Compounds and of Lithium and Magnesium Hydrides - Applications in Organic Synthesis and Hydrogen Storage". Angewandte Chemie International Edition in English. 24 (4): 262–273. doi:10.1002/anie.198502621.

[Michalczyk-1] Michalczyk, Michael J (1992). "Synthesis of magnesium hydride by the reaction of phenylsilane and dibutylmagnesium". Organometallics. 11 (6): 2307–2309. doi:10.1021/om00042a055.

[2] Bogdanovic, Borislav (1985). "Catalytic Synthesis of Organolithium and Organomagnesium Compounds and of Lithium and Magnesium Hydrides - Applications in Organic Synthesis and Hydrogen Storage". Angewandte Chemie International Edition in English. 24 (4): 262–273. doi:10.1002/anie.198502621.

[1]

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