Urea

Molecular formula: CH4N2O
Molar mass: 60.06 g·mol-1
CAS registry number: 57-13-6

Catchpole, O. J.[Owen J.], Tallon, S. J., Dyer, P. J., Lan, J.-S., Jensen, B., Rasmussen, O. K., Grey, J. B.
Measurement and modelling of urea solubility in supercritical CO2 and CO2 + ethanol mixtures
Fluid Phase Equilib.Year: 2005Volume: 237Pages: 212-218.
Keywords: Urea solubility, Supercritical CO2, Ethanol, Complex formation
DOI: 10.1016/j.fluid.2005.09.004
ThermoML: http://trc.nist.gov/ThermoML/fpe/j.fluid.2005.09.004.xml
X. Li, M. Hou, B. Han, X. Wang and L. Zou
Solubility of CO2 in a Choline Chloride + Urea Eutectic Mixture
J. Chem. Eng. DataYear: 2008Volume: 53Pages: 548-550.
DOI: 10.1021/je700638u
ThermoML: http://trc.nist.gov/journals/jced/2008v53/i02/je700638u.xml
V. N. Emel'yanenko, G. J. Kabo and S. P. Verevkin
Measurement and Prediction of Thermochemical Properties: Improved Increments for the Estimation of Enthalpies of Sublimation and Standard Enthalpies of Formation of Alkyl Derivatives of Urea
J. Chem. Eng. DataYear: 2006Volume: 51Pages: 79-87.
Keywords: vapor pressure, alkyl derivatives of urea, ab initio calculaation, transpiration method, sublimation enthalpies, thermochemical data
DOI: 10.1021/je050230z
ThermoML: http://trc.nist.gov/journals/jced/2006v51/i01/je050230z.xml
T.-C. Bai and Q. Li
Measurement of Activity Coefficients of Solutes at Infinite Dilution in (Dimethyl Sulfoxide + Acetamide, or Formamide, or Urea) Using Gas Liquid Chromatography at the Temperature 298.15 K
J. Chem. Eng. DataYear: 2003Volume: 48Pages: 1194-1201.
Keywords: gas-liquid chromatography, activity coefficients, infinite dilution, dimethyl sulfoxide, selectivity
DOI: 10.1021/je030122h
ThermoML: http://trc.nist.gov/journals/jced/2003v48/i05/je030122h.xml
Ma, Y.[Yonguang], Zhu, C.[Chunying], Ma, P.[Peisheng], Yu, K. T.
Studies on the Diffusion Coefficients of Amino Acids in Aqueous Solutions
J. Chem. Eng. DataYear: 2005Volume: 50Pages: 1192-1196.
Keywords: diffusion coefficients, holographic interferometric technique
DOI: 10.1021/je049582g
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i04/je049582g.xml
C. Liu, K. G. H. Desai and C. Liu
Solubility of Rofecoxib in the Presence of Mannitol, Poly(vinylpyrrolidone) K30, Urea, Polyethylene Glycol 4000, and Polyethylene Glycol 6000 at (298.15, 303.15, and 308.15) K
J. Chem. Eng. DataYear: 2005Volume: 50Pages: 661-665.
Keywords: solubility, manitol, urea, water
DOI: 10.1021/je049631p
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i02/je049631p.xml
Meyyappan, N., Ghandhi, N. N.
Effect of Hydrotropes on the Solubility and Mass Transfer Coefficient of Benzyl Benzoate in Water
J. Chem. Eng. DataYear: 2005Volume: 50Pages: 796-800.
Keywords: hydrotropes, solubility, benzyl benzoate
DOI: 10.1021/je049756u
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i03/je049756u.xml
Motin, M. A.
Temperature and Concentration Dependence of Apparent Molar Volumes and Viscosities of NaCl, NH4Cl, CuCl2, CuSO4, and MgSO4 in Pure Water and Water + Urea Mixtures
J. Chem. Eng. DataYear: 2004Volume: 49Pages: 94-98.
Keywords: apparent molar volume, viscosity, NaCl, NH4Cl, CuCl2, CuSO4, and MgSO4, water, urea
DOI: 10.1021/je0340957
ThermoML: http://trc.nist.gov/journals/jced/2004v49/i01/je0340957.xml
Meyyappan, N., Nagendra Gandhi, N.
Solubility and Mass Transfer Coefficient Enhancement of Benzyl Acetate in Water through Hydrotropy
J. Chem. Eng. DataYear: 2004Volume: 49Pages: 1290-1294.
Keywords: solubility
DOI: 10.1021/je0342872
ThermoML: http://trc.nist.gov/journals/jced/2004v49/i05/je0342872.xml
Hagen, R., Behrends, R., Kaatze, U.[Udo]
Acoustical Properties of Aqueous Solutions of Urea: Reference Data for the Ultrasonic Spectrometry of Liquids
J. Chem. Eng. DataYear: 2004Volume: 49Pages: 988-991.
Keywords: Acoustical Properties of Aqueous Solutions of Urea, Ultrasonic Spectrometry of Liquids
DOI: 10.1021/je049971a
ThermoML: http://trc.nist.gov/journals/jced/2004v49/i04/je049971a.xml
G. Della Gatta, E. Badea, M. Jozwiak and P. Del Vecchio
Thermodynamics of Solvation of Urea and Some Monosubstituted N-Alkylureas in Water at 298.15 K
J. Chem. Eng. DataYear: 2007Volume: 52Pages: 419-425.
Keywords: enthalpies of solution, isothermal calorimetry, water, urea, N-methylurea, N-ethylurea, N-propylurea, N-butylurea, N-isobutylurea, N-tert-butylurea
DOI: 10.1021/je060360n
ThermoML: http://trc.nist.gov/journals/jced/2007v52/i02/je060360n.xml
Brown, B. R., Gould, M. E., Ziemer, S. P.[S P], Niederhauser, T. L., Woolley, E. M.[Earl M.]
Apparent molar volumes and apparent molar heat capacities of aqueous urea, 1,1-dimethylurea, and N,N'-dimethylurea at temperatures from (278.15 to 348.15) K and at the pressure 0.35 MPa
J. Chem. Thermodyn.Year: 2006Volume: 38Pages: 1025-1035.
Keywords: Apparent molar volume, Apparent molar heat capacity, Urea, 1,1-Dimethylurea, N,N'-Dimethylurea
ThermoML: http://trc.nist.gov/journals/jct/2006v38/i08/2006brogou0.xml
Samanta, T., Ray, A.
Volumetric and viscometric studies of urea in binary aqueous solutions of glucose at different temperatures
J. Chem. Thermodyn.Year: 2010Volume: 42Pages: 262-266.
Keywords: Urea in binary glucose solutions, Apparent molar volume, Viscosity B-coefficient, Activation parameter
DOI: 10.1016/j.jct.2009.08.013
ThermoML: http://trc.nist.gov/ThermoML/10.1016/j.jct.2009.08.013.xml
P. Venkatesu, H. M. Lin and M. J. Lee
Counteracting effects of trimethylamine N-oxide and betaine on the interactions of urea with zwitterionic glycine peptides
Thermochim. ActaYear: 2009Volume: 491Pages: 20-28.
Keywords: Transfer free energies TMAO Betaine Urea Zwitterionic glycine peptides Counteracting effects
DOI: 10.1016/j.tca.2009.02.017
ThermoML: http://trc.nist.gov/ThermoML/10.1016/j.tca.2009.02.017.xml
S. Belica, B. Palecz, B. Nowicka, H. Piekarski and A. Jozwiak
Studies of heterogeneous interactions between N-acetyl-N'-methyl-L-a-amino acid amides and urea molecules in water at 298.15 K
Thermochim. ActaYear: 2010Volume: 501Pages: 19-23.
Keywords: N-acetyl-N'-methyl-L-a-amino acid amide, Urea, Enthalpies of solution, Enthalpies of mixing, Enthalpic interaction coefficients.
DOI: 10.1016/j.tca.2009.12.017
ThermoML: http://trc.nist.gov/ThermoML/10.1016/j.tca.2009.12.017.xml
Nowicka, B., Palecz, B.[Bartlomiej], Belica, S., Piekarski, H.[Henryk]
The interactions between some N-acetyl-N -methyl-l- -amino acid amides and urea in water at 298.15K
Thermochim. ActaYear: 2006Volume: 448Pages: 41-43.
Keywords: N-Acetyl-N -methyl-l- -amino acid amide, Urea, Enthalpies of solution, Enthalpic interaction coefficient
DOI: 10.1016/2006nowpal0
ThermoML: http://trc.nist.gov/ThermoML/tca/2006nowpal0.xml
E. V. Ivanov, V. K. Abrosimov and V. I. Smirnov
Enthalpies of transfer of urea and methyl-substituted ureas from water to methanol at 298.15K
Thermochim. ActaYear: 2006Volume: 449Pages: 90-92.
Keywords: Urea and its methyl-substituted derivatives, Aqueous and methanolic solutions, Enthalpies of transfer
DOI: 10.1016/2006ivaabr0
ThermoML: http://trc.nist.gov/ThermoML/tca/2006ivaabr0.xml


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