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产品名称：Sigma|151882|7789-20-0|氧化氘|Deuterium oxide|上海创赛

产品描述：

包装

1 L in glass bottle

1, 1.107, 4 kg in glass bottle

10×0.6, 10×0.75, 10×1 mL in ampule

10, 25, 100, 250, 500 g in glass bottle

Application

Deuterium oxide (Heavy water, Water-d2, D2O) has been used as solvent for the dissolution of internal standard and sample during quantification experiments by NMR.[3] It has been used for the dissolution of tris(2,2′-bipyridyl)dichlororuthenium(II) hexahydrate Ru(bpy)3.4

Deuterium oxide may be used:

? To prepare trifluoroacetic acid-d by reacting with trifluoroacetic anhydride.[4]

? As a deuteration agent for primary and secondary alcohols at the β-carbon position via H/D exchange reaction in the presence of ruthenium catalyst.[5]

? Along with hexamethyldisilane as a deuterium transfer reagent for alkynes to form (E)-1,2-dideuterioalkenes in the presence of a palladium complex.[6]

General description

Deuterium oxide, a deuterated solvent,[3] is a standard prurity solvent for NMR (Nuclear Magnetic Resonance) analyses. 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.[1] 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

性质：

Related Categories Alphabetical Listings, Biomolecular NMR, D, Deuterium oxide, Minimal Media Components,

NMR Solvents, NMR Solvents and Reagents, NMR Solvents for Routine Use, Solvent by Application, Solvents, Spectroscopy Solvents (IR, NMR, UV/Vis), Stable Isotopes

Less...

InChI Key          XLYOFNOQVPJJNP-ZSJDYOACSA-N

isotopic purity   99.9 atom % D

refractive index   n20/D 1.328(lit.)

bp                  101.4 °C(lit.)

mp                  3.8 °C(lit.)

density          1.107 g/mL at 25 °C(lit.)

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