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Deuterium oxide

"100%", ≥99.96 atom % D

Heavy water, Water-d2
Empirical Formula (Hill Notation):
Número CAS:
Peso molecular:
Número EC:
Número MDL:
ID de substância PubChem:

Nível de qualidade


pureza isotópica

≥99.96 atom % D




NMR: suitable


101.4 °C (lit.)


3.8 °C (lit.)

SMILES string




InChI key


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Descrição geral

Deuterium oxide (D2O) is a deuterated solvent. It is 100% isotopically enriched solvent for NMR (Nuclear Magnetic Resonance). It is widely employed in high resolution NMR studies. Various thermodynamic properties (such as intermolecular vibrational frequencies, energy of the hydrogen bond, free energy, enthalpy and entropy) of liquid deuterium oxide have been evaluated. Ionization constant for D2O (in the range of 5-50°C), pK values (at 25°C) and enthalpy, entropy, heat capacity change (for the dissociation of D2O) have been reported.


10×0.75, 10×1 mL in ampule
125 g in Sure/Seal™
250 g in glass bottle
1 kg in glass bottle
10, 50 g in glass bottle

Código de classe de armazenamento

10 - Combustible liquids



Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

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A D Fortes
Physical chemistry chemical physics : PCCP, 21(16), 8264-8274 (2019-04-04)
Water ice is one of the most fundamental and well-studied molecular solids, which continues to provide surprising and useful insights into its emergent complexity as ever more precise experimental techniques are applied. Using one of the highest resolution neutron powder
Structure of water and hydrophobic bonding in proteins. IV. The thermodynamic properties of liquid deuterium oxide.
Nemethy G and Scheraga HA.
J. Chem. Phys. , 41(3), 680-689 (1964)
The ionization constant of deuterium oxide from 5 to 50?.
Covington AK, et al.
The Journal of Physical Chemistry, 70(12), 3820-3824 (1966)
Using high-performance quantitative NMR (HP-qNMR?) for certifying traceable and highly accurate purity values of organic reference materials with uncertainties< 0.1%.
Weber M, et al.
Accreditation and Quality Assurance, 18(2), 91-98 (2013)
Takhar Kasumov et al.
American journal of physiology. Heart and circulatory physiology, 304(9), H1201-H1214 (2013-03-05)
Traditional proteomics provides static assessment of protein content, but not synthetic rates. Recently, proteome dynamics with heavy water ((2)H2O) was introduced, where (2)H labels amino acids that are incorporated into proteins, and the synthesis rate of individual proteins is calculated

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Ressonância magnética nuclear (RMN)

A espectroscopia por RMN é uma técnica analítica para determinar a estrutura molecular, a composição química e a pureza. A RMN detecta a energia absorvida devido aos estados de spin nuclear na presença de um forte campo magnético.

Nuclear Magnetic Resonance (NMR)

NMR spectroscopy is an analytic technique to determine molecular structure, chemical composition and purity. NMR detects the energy absorbed due to nuclear spin states in the presence of a strong magnetic field.

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