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Uranium hexafluoride

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Identification
Molecular formula
UF6
CAS number
7783-81-5
IUPAC name
dioxouranium;dihydrofluoride
State
State

Uranium hexafluoride is a solid at room temperature under atmospheric pressure. However, given its high volatility, it can easily sublimate into a gaseous state.

Melting point (Celsius)
64.10
Melting point (Kelvin)
337.25
Boiling point (Celsius)
56.50
Boiling point (Kelvin)
329.65
General information
Molecular weight
352.02g/mol
Molar mass
352.0190g/mol
Density
5.0900g/cm3
Appearence

Uranium hexafluoride appears as a white crystalline solid. It is highly volatile and sublimates at ambient temperatures. This is a unique compound as it transitions smoothly from solid to gas under reduced pressure, bypassing the liquid state under normal atmospheric conditions. The gaseous form is colorless.

Comment on solubility

Solubility of Dioxouranium Dihydrofluoride

Dioxouranium dihydrofluoride, with the chemical formula UO2HF2, exhibits unique solubility characteristics due to the nature of its constituent ions. Understanding its solubility is essential for applications in various chemical processes. Here are some key points to consider:

  • Solubility in Water: Dioxouranium dihydrofluoride shows limited solubility in water. This can affect its behavior in aquatic environments and during industrial applications.
  • Effect of pH: The solubility of UO2HF2 can be influenced significantly by the pH of the solution. At lower pH levels, increased solubility may occur, potentially leading to the formation of soluble complexes.
  • Comparison with Other Compounds: Compared to more soluble uranium compounds, dioxouranium dihydrofluoride's limited solubility can restrict its mobility and bioavailability.
  • Influence of Temperature: As with many ionic compounds, the solubility of UO2HF2 may increase with temperature. However, comprehensive studies would be required to establish specific solubility trends.

In summary, dioxouranium dihydrofluoride's solubility is influenced by several environmental factors, making it crucial for scientists to consider these parameters in both theoretical and practical applications.

Interesting facts

Interesting Facts about Dioxouranium Dihydrofluoride

Dioxouranium dihydrofluoride, often abbreviated as DUHF, is a fascinating compound with significant implications in several fields of chemistry and nuclear science. Here are some intriguing facts about this compound:

  • Nuclear Chemistry Significance: Dioxouranium dihydrofluoride plays an essential role in the study of uranium chemistry, particularly in the separation and purification processes of uranium isotopes. This is crucial for both nuclear power generation and research purposes.
  • Formation Process: The compound is typically formed through specific reactions involving uranium oxides and hydrofluoric acid. The unique bonding present in the compound results in its distinctive properties.
  • Applications: DUHF is not just a laboratory curiosity; it is utilized in various applications such as:
    • Nuclear fuel processing
    • Material science for developing new uranium compounds
    • Research in radiochemistry
  • Safety and Handling: Due to its composition, proper safety protocols must be observed when handling Dioxouranium dihydrofluoride. The toxicity and radioactivity of uranium compounds necessitate careful management to avoid exposure.
  • Chemical Properties: The compound features interesting chemical reactivity, which enhances its characteristics in different solvents and environments, impacting its reactivity with other chemical species.
  • Research Frontiers: Ongoing research is focused on understanding the structural properties and behavior of DUHF, contributing to advancements in nuclear chemistry and environmental safety regarding uranium waste management.

In summary, Dioxouranium dihydrofluoride serves as an important compound in both practical applications and research domains. As highlighted, understanding its properties and behavior is crucial for scientists and researchers working with uranium and related materials.

Synonyms
HSDB 4506
EINECS 236-898-8
SCHEMBL749014
NS00086415