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Deuterium oxide

99.8 atom % D

Heavy water, Water-d2
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

isotopic purity

99.8 atom % D




HPLC: suitable


101.4 °C (lit.)


3.8 °C (lit.)

SMILES string




InChI key


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General description

Deuterium oxide (D2O) is also known as heavy water. It is commonly used as a solvent in high-resolution NMR (Nuclear magnetic resonance) FTIR (Fourier-transform infrared) and polarized visible Raman spectroscopic studies. It is also used to prepare deuterium-labeled compounds in various fields such as pharmaceutical, bioanalytical, biological, and environmental chemistry via H-D exchange reactions to study drug metabolism mechanisms, reaction mechanisms, the structure of biomolecules, and residual agrochemicals in foods using suitable analytical methods.


1, 1.107 kg in glass bottle

Storage Class Code

10 - Combustible liquids

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Dihedral angles of trialanine in D2O determined by combining FTIR and polarized visible Raman spectroscopy
Schweitzer-Stenner R, et al.
Journal of the American Chemical Society, 123(39), 9628-9633 (2001)
Observation of the keto tautomer of D-fructose in D2O using 1H NMR spectroscopy
Barclay T, et al.
Carbohydrate Research, 347(1), 136-141 (2012)
The Exchange Reaction of Hydrogen and Deuterium Oxide.
Crist RH and Dalin GA
J. Chem. Phys. , 2(8), 548-548 (1934)
Qingci Zhao et al.
Cell reports, 32(8), 108074-108074 (2020-08-28)
The small guanosine triphosphatase (GTPase) RAS serves as a molecular switch in signal transduction, and its mutation and aberrant activation are implicated in tumorigenesis. Here, we perform real-time, in-cell nuclear magnetic resonance (NMR) analyses of non-farnesylated RAS to measure time...
NMR spectroscopy of saccharide-doped PAGAT dosimeters.
Skyt PS, et al.
Journal of Physics. Conference Series, 573 (2015)


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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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