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Magnesium hydride

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Identification
Molecular formula
MgH2
CAS number
7783-94-0
IUPAC name
magnesium dihydride
State
State

Magnesium hydride is typically found in the solid state at room temperature.

Melting point (Celsius)
327.00
Melting point (Kelvin)
600.15
Boiling point (Celsius)
327.00
Boiling point (Kelvin)
600.15
General information
Molecular weight
26.32g/mol
Molar mass
26.3210g/mol
Density
1.4500g/cm3
Appearence

Magnesium hydride is a gray powdery substance. It typically appears as a light gray crystalline powder when pure.

Comment on solubility

Solubility of Magnesium Dihydride (MgH2)

Magnesium dihydride (MgH2) exhibits interesting solubility characteristics that are noteworthy. As a metal hydride, its behavior can be described as follows:

  • Water Solubility: MgH2 is insoluble in water. This is primarily due to the strong ionic bonds between magnesium and hydrogen that do not easily interact with water molecules.
  • Solubility in Organic Solvents: There is limited information regarding its solubility in organic solvents; however, it is generally considered to be low or minimal in non-polar or weakly polar solvents.
  • Hydrogen Reactivity: Upon exposure to moisture or acids, MgH2 can react to produce hydrogen gas, thereby indirectly influencing solubility in practical applications.

In summary, the solubility of magnesium dihydride is characterized by its insolubility in water and its limited solubility in organic solvents, making it a unique compound for specific chemical applications.

Interesting facts

Interesting Facts about Magnesium Dihydride

Magnesium dihydride is a fascinating compound with a variety of applications and properties that are of particular interest to chemists and materials scientists. Here are some intriguing insights about this compound:

  • Hydrogen Storage: Magnesium dihydride serves as a promising material for hydrogen storage, which is critical to the development of sustainable energy solutions. Its high storage capacity can potentially play a significant role in fuel cell technology.
  • Simplicity in Synthesis: This compound is relatively easy to synthesize via the direct reaction of magnesium metal and hydrogen gas. This straightforward production process makes it an appealing candidate for various practical applications.
  • Thermodynamic Properties: Magnesium dihydride undergoes hydrogenation and dehydrogenation at moderate temperatures. This makes it suitable for reversible hydrogen storage, a characteristic that is highly sought after for energy applications.
  • Solid-State Reactions: It participates in fascinating solid-state reactions that contribute to its usage in high-energy density materials. Researchers are continuously exploring its behavior to unlock further potential in material science.
  • Biomedical Applications: Beyond energy applications, magnesium dihydride has also piqued interest in the biomedical field due to its biocompatibility. This opens avenues for potential uses in drug delivery systems and bioactive materials.

As scientists explore more about magnesium dihydride, it is exciting to think of the numerous ways this compound could contribute to advancements in both energy sustainability and modern technology. Its versatility makes it a subject of continuous research and innovation!