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450510

Sigma-Aldrich

Ossido di deuterio

99.9 atom % D, contains 0.05 wt. % 3-(trimethylsilyl)propionic-2,2,3,3-d4 acid, sodium salt

Sinonimo/i:

Acqua pesante, Acqua-d2

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About This Item

Formula empirica (notazione di Hill):
D2O
Numero CAS:
7789-20-0
Peso molecolare:
20.03
Numero CE:
232-148-9
Numero MDL:
MFCD00044636
Codice UNSPSC:
12142201
ID PubChem:
24868252
NACRES:
NA.21

Purezza isotopica

99.9 atom % D

Livello qualitativo

100

Forma fisica

liquid

contiene

0.05 wt. % 3-(trimethylsilyl)propionic-2,2,3,3-d4 acid, sodium salt

tecniche

NMR: suitable

P. eboll.

101.4 °C (lit.)

Punto di fusione

3.8 °C (lit.)

Stringa SMILE

[2H]O[2H]

InChI

1S/H2O/h1H2/i/hD2
XLYOFNOQVPJJNP-ZSJDYOACSA-N

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Categorie correlate

Descrizione generale

Deuterium oxide (D2O, heavy water) is deuterated water containing 0.05wt.% 3-(trimethylsilyl)propionic-2,2,3,3-d4 acid, sodium salt. It is safe and inexpensive source of deuterium (D) for the D/H exchange reactions. The equilibrium constant for the exchange of deuterium between hydrogen (H) and D2O molecules has been determined. Reports suggest that gelatin gels prepared in D2O show higher rigidity than gels prepared in water. The influence of temperature on the heat capacity of deuterium in crystalline and liquid state was studied calorimetrically and its melting point, enthalpy and entropy of fusion were determined. Its utility as a potential therapeutic agent in treating human pancreatic cancer has been studied.

Applicazioni

Deuterium oxide may be used in the following processes:
  • As an NMR solvent.
  • Preparation of β-deuterated alcohols.
  • For the adsorption of neutrons in atomic reactors.
  • Deuterium transfer agent in combination with hexamethyldisilane in the preparation of 1,2-dideuterioalkenes from alkynes.

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Codice della classe di stoccaggio

12 - Non Combustible Liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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Andrew J Jezewski et al.
Frontiers in cellular and infection microbiology, 11, 730413-730413 (2021-10-05)
Glycolysis controls cellular energy, redox balance, and biosynthesis. Antiglycolytic therapies are under investigation for treatment of obesity, cancer, aging, autoimmunity, and microbial diseases. Interrupting glycolysis is highly valued as a therapeutic strategy, because glycolytic disruption is generally tolerated in mammals.
NMR spectroscopy of saccharide-doped PAGAT dosimeters.
Skyt PS, et al.
Journal of Physics. Conference Series, 573 (2015)
The Exchange Reaction of Hydrogen and Deuterium Oxide.
Crist RH and Dalin GA
J. Chem. Phys. , 2(8), 548-548 (1934)
Ruthenium-Catalyzed Regioselective Deuteration of Alcohols at the β-Carbon Position with Deuterium Oxide.
Tse SKS, et al.
Chemistry (Weinheim An Der Bergstrasse, Germany), 17(49), 13918-13925 (2011)
Yu-Hsi Lin et al.
Nature metabolism, 2(12), 1413-1426 (2020-11-25)
Inhibiting glycolysis remains an aspirational approach for the treatment of cancer. We have previously identified a subset of cancers harbouring homozygous deletion of the glycolytic enzyme enolase (ENO1) that have exceptional sensitivity to inhibition of its redundant paralogue, ENO2, through
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