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Dideuterium

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Identification
Molecular formula
D2
CAS number
7782-39-0
IUPAC name
dideuterium
State
State

At room temperature, dideuterium is in a gaseous state.

Melting point (Celsius)
-254.30
Melting point (Kelvin)
18.80
Boiling point (Celsius)
-249.50
Boiling point (Kelvin)
23.70
General information
Molecular weight
4.03g/mol
Molar mass
4.0280g/mol
Density
0.1790g/cm3
Appearence

Dideuterium (D2) is a diatomic molecule appearing as a colorless, odorless gas under standard conditions. It is chemically similar to diatomic hydrogen but has a higher molecular weight due to the presence of the heavier deuterium isotopes.

Comment on solubility

Solubility of D2

D2, also known as *deuterium* or *heavy hydrogen*, exhibits unique solubility characteristics compared to its lighter counterpart, hydrogen (H2). Understanding its solubility offers insight into its behavior in various environments.

Key Points about the Solubility of D2:

  • Solubility in Water: D2 is generally sparingly soluble in water, similar to hydrogen gas, although the solubility may vary slightly due to the different mass of deuterium.
  • Gas Phase Behavior: As a gas, D2 has a lower density compared to many gases, which can affect its solubility in non-polar solvents.
  • Effects of Temperature: Like most gases, the solubility of D2 decreases with increasing temperature. This behavior is critical in applications that involve thermal dynamics.
  • Solvent Interactions: In polar solvents, D2 may interact differently than H2 due to the presence of stronger hydrogen bonding, which can influence its overall solubility.

In conclusion, while D2 shares characteristics with H2 regarding solubility, its interactions within mixtures can lead to intriguing *isotopic effects* that are of particular interest in both chemical research and practical applications. Hence, understanding its solubility can provide crucial insights into its behavior in different chemical contexts.

Interesting facts

Interesting Facts about Dideuterium

Dideuterium, represented as D2, is an intriguing isotope of hydrogen that has captured the attention of scientists and researchers alike. Here are some fascinating insights into this unique compound:

  • Isotopic Composition: Dideuterium consists of two deuterium nuclei, each of which contains one proton and one neutron. This makes it a heavier counterpart to ordinary hydrogen, which has no neutrons.
  • Role in Chemistry: Dideuterium is often used in isotopic labeling for various chemical reactions. By substituting regular hydrogen with deuterium, researchers can trace the paths of molecules more effectively, leading to better understanding of reaction mechanisms.
  • Applications in NMR: It plays a crucial role in Nuclear Magnetic Resonance (NMR) spectroscopy, a powerful analytical technique. Dideuterated solvents are commonly used in NMR experiments to reduce background signals from protons.
  • Studying Molecular Dynamics: The differences in mass between D2 and H2 allow scientists to study molecular dynamics and vibrational transitions, providing insights into fundamental chemical processes.
  • Environmental Tracers: Dideuterium is used as a tracer in studies of water usage and environmental processes, helping researchers understand hydrological cycles and sources of water contamination.

Overall, dideuterium is much more than just a heavier version of hydrogen; its applications across various scientific fields underscore its importance in advancing our understanding of chemistry and the natural world. As the famous chemist Linus Pauling once stated, "The best way to have a good idea is to have lots of ideas." Dideuterium certainly contributes to this insight!

Synonyms
TRITIUM
ditritium
Hydrogen-3
hydrogen 3
Tritium, Radioactive
UNII-YGG3Y3DAG1
Molecular tritium
HSDB 6467
TRITIUM [HSDB]
TRITIUM [MI]
EINECS 233-070-8
CHEBI:29298
DTXSID80881374
HYDROGEN, ISOTOPE OF MASS 3
Hydrogen3
(3H2)dihydrogen
DTXCID601022627
233-070-8
Triterium
10028-17-8
YGG3Y3DAG1
Tritium molecule
Tritium-
(3)H2