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Deuterium oxide

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Identification
Molecular formula
D2O
CAS number
7789-20-0
IUPAC name
deuterated water
State
State

At room temperature, deuterium oxide exists as a liquid, much like ordinary water, but with a slightly higher density and different freezing and boiling points due to the presence of deuterium.

Melting point (Celsius)
3.82
Melting point (Kelvin)
276.97
Boiling point (Celsius)
101.40
Boiling point (Kelvin)
374.55
General information
Molecular weight
20.03g/mol
Molar mass
20.0270g/mol
Density
1.1074g/cm3
Appearence

Deuterium oxide, also known as heavy water, appears as a clear, colorless liquid that is indistinguishable by sight from ordinary water. However, it is slightly more viscous and has some differing physical properties due to the presence of the heavier isotope of hydrogen, deuterium.

Comment on solubility

Solubility of Deuterated Water

Deuterated water, or heavy water, has the chemical formula D2O. Its solubility characteristics are intriguing and provide valuable insights for various applications. In terms of solubility:

  • D2O is miscible with ordinary water (H2O). This means that they can mix in any ratio without forming a separate phase.
  • Heavy water exhibits similar behavior to light water in terms of hydrogen bonding, although the bonds are slightly stronger due to the presence of deuterium.
  • In pure form, deuterated water is less common than regular water, leading to specialized handling and storage protocols.

When considering the solubility of D2O:

  1. The solubility in organic solvents is generally low, influencing its role in organic chemistry and synthesis.
  2. It demonstrates unique properties in biological contexts, affecting reactions differently than H2O.

In summary, D2O is highly soluble in water, showcasing distinct behaviors that can be crucial for scientific research, particularly in fields like chemistry and biology. Its solubility characteristics not only enhance our understanding of water's profound role in chemical reactions but also invite further exploration of its applications.

Interesting facts

Interesting Facts about Deuterated Water

Deuterated water, commonly known as heavy water, is a fascinating compound that serves diverse purposes across various scientific fields. Below are some intriguing facts about this unique substance:

  • Composition: In deuterated water, the hydrogen atoms are replaced with deuterium, a stable isotope of hydrogen. This modification enhances certain properties, making it distinct from regular water.
  • Uses in Research: Heavy water is an essential tool in nuclear magnetic resonance (NMR) spectroscopy and in studying biochemical processes. It provides a unique environment for observing the behaviors of molecules.
  • Role in Nuclear Reactors: Deuterated water is utilized as a neutron moderator in certain types of nuclear reactors. Its ability to slow down neutrons ensures a more efficient nuclear fission process.
  • Biological Impact: While deuterated water is non-toxic, it can affect biological systems. Organisms exposed to heavy water have demonstrated alterations in metabolic processes, which makes it a subject of interest in biological research.

In the words of scientists, "Deuterated water changes the game for molecular studies," and its applications continue to expand in the world of chemistry and beyond. Understanding its properties opens doors to innovative research and technological advancements.

As you delve into the complexities of deuterated water, you'll find that this simple compound has profound implications in both theoretical and applied science. Its role in advancing our knowledge of molecular dynamics is nothing short of remarkable!

Synonyms
DEUTERIUM OXIDE
Deuterated water
Heavy water
Dideuterium oxide
Heavy water (D2O)
Heavy water-d2
Water(sup 2)-H2
Water-d sub(2)
Water, heavy (D2-O)
EINECS 232-148-9
UNII-J65BV539M3
CHEBI:41981
AI3-52352
HSDB 8190
J65BV539M3
WATER H-2
DTXSID4051243
D2O
Deuteriumoxid
schweres Wasser
Oxide, Deuterium
((2)H2)water
DTXCID3029865
(OD2)
232-148-9
7789-20-0
Water-d2
Deuterium oxide [USAN]
MFCD00044636
Deuterium oxide (USAN)
Deuterium oxide, 99.9 atom % D
Deuterium oxide (Water-d2, Heavy Water)
Deuterium oxide, "100%", 99.96 atom % D
DEUTERIUM OXIDE 99.8ATOM%D
(sup 2)H
(~2~H_2_)water
DEUTERIUM OXIDE [MI]
[(?H)oxy](?H)
CHEMBL1232306
Deuterium oxide, 60 atom % D
Deuterium oxide, 70 atom % D
Deuterium oxide, 99 atom % D
Deuterium oxide, 99.9 atom %D
Deuterium oxide >99.96 Atom %D
Water-d2 99.8atom%D, Heavy water
AKOS015904640
Deuterium oxide, filtered, 99.8 atom % D
W0002
W0004
D03703
H11944
A934838
Q155890
Deuterium oxide, 99.9 atom % D, ~150 dpm/mL tritium
Deuterium oxide, 100.0 atom % D, >=99.96 atom % D
Deuterium oxide, Vetec(TM) reagent grade, 99.8 atom % D
Deuterium oxide, contains 0.05 wt% D4-TMSP acid, sodium salt
142473-50-5
2H
Deuterium oxide, 99.9 atom % D, contains 0.05 wt. % 3-(trimethylsilyl)propionic-2,2,3,3-d4 acid, sodium salt
Deuterium oxide, 99.9 atom % D, contains 0.75 wt. % 3-(trimethylsilyl)propionic-2,2,3,3-d4 acid, sodium salt
Deuterium oxide, 99.9 atom % D, contains 1 % (w/w) 3-(trimethylsilyl)-1-propanesulfonic acid, sodium salt (DSS)
Deuterium oxide, 99.994 atom % D, contains 1 mM terephthalic acid disodium salt, 0.01 % (w/v) DSS-d6