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
  The 3d structure may be viewed using Java or Javascript.
• 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
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Phase change data

Go To: Top, Gas Chromatography, References, Notes

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

Gas Chromatography

Go To: Top, Phase change data, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

View large format table.

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Normal alkane RI, polar column, temperature ramp

View large format table.

References

Go To: Top, Phase change data, Gas Chromatography, Notes

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]

Zhuravleva, 2000
Zhuravleva, I.L., Evaluation of the polarity and boiling points of nitrogen-containing heterocyclic compounds by gas chromatography, Russ. Chem. Bull. (Engl. Transl.), 2000, 49, 2, 325-328, https://doi.org/10.1007/BF02494682 . [all data]

Jung, Wichmann, et al., 1999
Jung, A.; Wichmann, K.-H.; Kolb, M., VOC emission of polymeric packaging materials, LaborPraxis, 1999, 23, 9, 20-22. [all data]

Liardon and Ledermann, 1980
Liardon, R.; Ledermann, S., volatile components of fermented soya hydrolysate. II. Composition of basic fraction, Z. Lebensm. Unters. Forsch., 1980, 170, 3, 208-213, https://doi.org/10.1007/BF01042542 . [all data]

Notes

Go To: Top, Phase change data, Gas Chromatography, References

• 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
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.