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Strontium dihydride

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Identification
Molecular formula
SrH2
CAS number
7789-29-9
IUPAC name
strontium-90 dihydride
State
State

At room temperature, strontium dihydride is a crystalline solid.

Melting point (Celsius)
675.00
Melting point (Kelvin)
948.00
Boiling point (Celsius)
1 080.00
Boiling point (Kelvin)
1 353.00
General information
Molecular weight
89.62g/mol
Molar mass
89.6190g/mol
Density
1.6200g/cm3
Appearence

Strontium dihydride typically appears as a white, crystalline solid.

Comment on solubility

Solubility of Strontium-90 Dihydride

Strontium-90 dihydride (SrH2) presents interesting solubility characteristics that are influenced by its ionic nature and the surrounding environment. Here are some key points to consider:

  • Water Solubility: Strontium dihydride is typically insoluble in water. This is largely due to the strong ionic bonds between strontium ions (Sr2+) and hydride ions (H-), which require significant energy to disrupt.
  • Solvent Interaction: While it is insoluble in polar solvents like water, strontium-90 dihydride may show limited solubility in some non-polar organic solvents, depending on the specific solvent structure and its ability to stabilize the ions.
  • Temperature Influence: The solubility of strontium compounds often increases with temperature, although this effect can vary with the specific solvent used and the concentration of the solution.
  • Environmental Conditions: Factors such as pH and the presence of complexing agents can also play a significant role in the solubility profile of strontium-90 dihydride, potentially leading to increased solubility under certain conditions.

In conclusion, while strontium-90 dihydride exhibits low solubility in water due to its ionic character, its behavior in different solvents and environmental conditions opens avenues for further exploration in solubility studies. Understanding these aspects is crucial in applications involving strontium compounds.

Interesting facts

Interesting Facts About Strontium-90 Dihydride

Strontium-90 dihydride is a fascinating compound that combines both the properties of strontium-90, a radioactive isotope, and hydrogen. Here are some intriguing aspects to consider:

  • Radioactivity: Strontium-90 is known for its radioactive properties, a byproduct of nuclear fission. It emits beta particles, making it significant in both energy production and health contexts.
  • Kinetic Isotope Effect: The inclusion of hydrogen allows for unique chemical behaviors that can influence reaction rates, a subject of interest in both physical chemistry and nuclear chemistry.
  • Applications in Medicine: Due to its radioactive nature, strontium-90 is used in the treatment of certain cancers, particularly bone-related ailments, which highlights its importance in therapeutic practices.
  • Impact on Environment: Strontium-90 is a notable contaminant resulting from nuclear tests and accidents. Its study is crucial in understanding its effects on ecosystems and human health.
  • Found in Nature: While this compound is primarily synthesized, the presence of strontium-90 in the environment can provide insight into historical nuclear events, shedding light on its geographical distribution.

Overall, strontium-90 dihydride exemplifies the intersection of chemistry and environmental science, demonstrating how a compound can possess both beneficial applications and important environmental implications.