Excess molar volumes of (a cyclic amide + water) at 298.15 K and 308.15 K

Volumetric properties of (water+hexamethylphosphoric triamide) from (288.15 to 308.15)K

“…From this viewpoint, the binary mixtures of water with an aprotic dipolar amide are one of the most interesting [6][7][8][9][10][11][12][13][14]. The organic component molecules in these mixtures do not act as H-bonding donors, however, they are electron lone-pair donors capable of forming the strong hydrogen bonds with water molecules [7,10,[13][14][15][16].…”

D2O–H2O solvent isotope effects on the volumetric properties of aqueous 1,3-dimethyl-2-imidazolidinone between (278.15 and 318.15)K

“…By now, as far as the authors known, the volumetric properties of DMI solutions in heavy water have been studied only by Jancsó et al [9] at 298.15 K and 313.15 K. As regards these properties in ordinary water, the excess molar volumes V E 1;2 for (H 2 O + DMI) at 298.15 K and 308.15 K have been reported by Uosaki et al [26]. Besides, Wode and Seidel [27] have measured densities q 1,2 for the specified mixtures over the whole mole-fraction range at temperatures from 293.15 K to 313.15 K (with an interval of 5 K) and …”

“…At the same time limited studies on thermodynamic properties of aqueous DMI have been carried out and only a few papers on this problem are available in the literature [9,14,17,[26][27][28]. In the previous works [14,17], we have determined the values of standard (at infinite dilution) molar enthalpies of DMI solution, D sol H 2 , in H 2 O and D 2 O at various temperatures.…”

“…DMI, known earlier as N,N'-dimethylethyleneurea, being a molecular cyclic analogue of 1,1,3,3-tetramethylurea (TMU) in the individual liquid state is a versatile dipolar aprotic solvent whose physicochemical and thermodynamic properties are rather well studied [18][19][20][21][22][23][24][25]. Herewith, having hydrophobic ÀCH 3 and ÀCH 2 ÀCH 2 À groups (attached to two various N atoms) in the molecular five-membered ring and acting only as a H-bond acceptor via a hydrophilic C@O group, DMI can be regarded as a simplified model cyclic compound for studying the complex interaction with the aqueous surroundings [14,26].…”

Excess molar volumes of binary mixtures of 1,3-dimethylimidazolidin-2-one with an alkan-1-ol at the temperatures 283.15K, 298.15K, and 313.15K

“…Limited studies on physical properties of pure DMI have been carried out and only two reviews on the properties are available in the literature [3,4]. Since DMI is completely miscible with water, we have so far reported not only the excess molar volumes V E m from density measurements under atmospheric pressure at 298.15 K and 308.15 K [5] but also the static relative permittivities under pressures up to 300 MPa at 298.15 K [6] over the entire composition range for binary aqueous DMI mixtures. Letcher and Deenadayalu [7,8] have studied on V E m for binary mixtures of DMI with an alkanol or an aromatic compound at 298.15 K and atmospheric pressure.…”