Morpholine, 4-methyl-

• Formula: C₅H₁₁NO
• Molecular weight: 101.1469
• IUPAC Standard InChI: InChI=1S/C5H11NO/c1-6-2-4-7-5-3-6/h2-5H2,1H3 Copy

  
• IUPAC Standard InChIKey: SJRJJKPEHAURKC-UHFFFAOYSA-N Copy
• CAS Registry Number: 109-02-4
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: N-Methylmorpholine; 1-Methylmorpholine; 4-Methylmorpholine; Morpholine, N-methyl-; 4-Methylmorfolin; UN 2535; 4-Methyl-1-oxa-4-azacyclohexane; NMM; p-Methyl morpholine; Texacat NMM; NSC 9382
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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
AC - William E. Acree, Jr., James S. Chickos

Reduced pressure boiling point

Enthalpy of vaporization

References

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

Belabbaci, Razzouk, et al., 2009
Belabbaci, Aouicha; Razzouk, Antonio; Mokbel, Ilham; Jose, Jacques; Negadi, Latifa, Isothermal Vapor-Liquid Equilibria of (Monoethanolamine + Water) and (4-Methylmorpholine + Water) Binary Systems at Several Temperatures, J. Chem. Eng. Data, 2009, 54, 8, 2312-2316, https://doi.org/10.1021/je800530u . [all data]

Razzouk, Hajjaji, et al., 2009
Razzouk, Antonio; Hajjaji, Ahmed; Mokbel, Ilham; Mougin, Pascal; Jose, Jacques, Experimental vapor pressures of 1,2-bis(dimethylamino)ethane, 1-methylmorpholine, 1,2-bis(2-aminoethoxy)ethane and N-benzylethanolamine between 273.18 and 364.97K, Fluid Phase Equilibria, 2009, 282, 1, 11-13, https://doi.org/10.1016/j.fluid.2009.04.006 . [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]

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]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]

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]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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