DEUTERIUM OXIDE CAS 7789-20-0

Deuterium oxide (D₂O) is a 100% isotopically enriched NMR (Nuclear Magnetic Resonance) solvent. 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.

Deuterium oxide is used in nuclear magnetic resonance spectroscopy (NMR). It is also useful in the identification of labile hydrogens. As a source of deuterium, it is utilized for preparing specifically labeled isotopologs of organic compounds. It is often used as a substitute for water in the analysis of proteins in solution by using fourier transform infrared spectroscopy (FTIR). It finds application in certain types of nuclear reactors and in tritium production.

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Product Name:	DEUTERIUM OXIDE
Synonyms:	WATER-D2;WATER, HEAVY;DEUTERIUM OXIDE, "100" (MIN. 99.96 ATOM% D);Deuterium oxide "100%" >99.98 Atom % D;Deuterium oxide >99.92 Atom % D;Heavy water, Water-d2;Deuterium oxide Ultra-D;Deuterium oxide, Heavy water, Water-d2
CAS:	7789-20-0
MF:	D2O
MW:	20.03
EINECS:	232-148-9
Product Categories:	Deuterium oxide;
Mol File:	7789-20-0.mol

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