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Morpholine

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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil401.6 ± 0.8KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus268.35KN/AVedal, Ellestad, et al., 1976Uncertainty assigned by TRC = 1. K; TRC
Tfus268.35KN/AAnonymous, 1968TRC
Tfus270.1KN/AAnonymous, 1955Uncertainty assigned by TRC = 0.4 K; TRC
Tfus268.KN/ADreisbach, 1955Uncertainty assigned by TRC = 0.02 K; TRC
Tfus268.3KN/ADermer and Dermer, 1937Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Deltavap45.3 ± 0.5kJ/molDSCRojas-Aguilar, Ginez-Carbajal, et al., 2005AC
Deltavap45.0 ± 0.4kJ/molGSVerevkin, 1998Based on data from 274. - 303. K.; AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
44.3328.TGAAl-Najjar and Al-Sammerrai, 2007Based on data from 313. - 343. K.; AC
45.6 ± 0.4288.GSVerevkin, 1998Based on data from 274. - 303. K.; AC
40.8361.N/AWu, Locke, et al., 1991Based on data from 346. - 401. K.; AC
45.3288.AStephenson and Malanowski, 1987Based on data from 273. - 318. K. See also Cabani, Conti, et al., 1975.; AC
42.3332.AStephenson and Malanowski, 1987Based on data from 317. - 443. K.; AC
42.3333.EBPalczewska-Tulinska, Cholinski, et al., 1983Based on data from 318. - 401. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Vedal, Ellestad, et al., 1976
Vedal, D.; Ellestad, O.H.; Klaeboe, P.; Hagen, G., The vibrational spectra of piperidine and morpholine and their N-deuterated analogs, spectrochim. Acta, Part A, 1976, 32, 877. [all data]

Anonymous, 1968
Anonymous, X., Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. [all data]

Anonymous, 1955
Anonymous, R., , Am. Pet. Inst. Res. Proj. 45, Tech. Rep. 14, No. 1, Ohio State Univ., 1955. [all data]

Dreisbach, 1955
Dreisbach, R.R., Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 15, Am. Chem. Soc.: Washington, D. C., 1955. [all data]

Dermer and Dermer, 1937
Dermer, V.H.; Dermer, O.C., Physical constants of morpholine., J. Am. Chem. Soc., 1937, 59, 1148. [all data]

Rojas-Aguilar, Ginez-Carbajal, et al., 2005
Rojas-Aguilar, A.; Ginez-Carbajal, F.; Orozco-Guareno, E.; Flores-Segura, H., Measurement of enthalpies of vaporization of volatile heterocyclic compounds by DSC, J Therm Anal Calorim, 2005, 79, 1, 95-100, https://doi.org/10.1007/s10973-004-0568-3 . [all data]

Verevkin, 1998
Verevkin, Sergey P., Thermochemistry of amines: strain in six-membered rings from experimental standard molar enthalpies of formation of morpholines and piperazines, The Journal of Chemical Thermodynamics, 1998, 30, 9, 1069-1079, https://doi.org/10.1006/jcht.1998.0371 . [all data]

Al-Najjar and Al-Sammerrai, 2007
Al-Najjar, Hazim; Al-Sammerrai, Dhoaib, Thermogravimetric determination of the heat of vaporization of some highly polar solvents, J. Chem. Technol. Biotechnol., 2007, 37, 3, 145-152, https://doi.org/10.1002/jctb.280370302 . [all data]

Wu, Locke, et al., 1991
Wu, Huey S.; Locke, William E.; Sandler, Stanley I., Isothermal vapor-liquid equilibrium of binary mixtures containing morpholine, J. Chem. Eng. Data, 1991, 36, 1, 127-130, https://doi.org/10.1021/je00001a037 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Cabani, Conti, et al., 1975
Cabani, Sergio; Conti, G.; Giannessi, D.; Lepori, L., Thermodynamic study of aqueous dilute solutions of organic compounds. Part 3.---Morpholines and piperazines, J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 1154, https://doi.org/10.1039/f19757101154 . [all data]

Palczewska-Tulinska, Cholinski, et al., 1983
Palczewska-Tulinska, Marcela; Cholinski, Jacek; Szafranski, Andrzej; Wyrzykowska-Stankiewicz, Danuta, Maximum-likelihood evaluation of antoine equation constants for vapor pressures of morpholine, n-heptane, cyclohexane and methylcyclohexane, Fluid Phase Equilibria, 1983, 11, 3, 233-243, https://doi.org/10.1016/0378-3812(83)85026-2 . [all data]


Notes

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