Dimethylamine

• Formula: C₂H₇N
• Molecular weight: 45.0837
• IUPAC Standard InChI: InChI=1S/C2H7N/c1-3-2/h3H,1-2H3 Copy

  
• IUPAC Standard InChIKey: ROSDSFDQCJNGOL-UHFFFAOYSA-N Copy
• CAS Registry Number: 124-40-3
• 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: Methanamine, N-methyl-; (CH3)2NH; N-Methylmethanamine; Rcra waste number U092; UN 1032; N,N-Dimethylamine; NSC 8650
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• Information on this page:
  • Condensed phase thermochemistry data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Ion clustering data
• Data at other public NIST sites:
  • Computational Chemistry Comparison and Benchmark Database
  • Gas Phase Kinetics Database
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Condensed phase thermochemistry data

Go To: Top, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Henry's Law 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 by: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

Data compiled by: Coblentz Society, Inc.

• GAS (16 mmHg DILUTED TO A TOTAL PRESSURE OF 600 mmHg WITH N2); BECKMAN; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution
• GAS (16 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); BECKMAN IR-9 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm^-1 resolution

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

• gas

Mass spectrum (electron ionization)

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

Spectrum

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Additional Data

Gas Chromatography

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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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References

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Issoire and Long, 1960
Issoire, J.; Long, C., Etude de la thermodynamique chimique de la reaction de formation des methylamines, Bull. Soc. Chim. France, 1960, 2004-2012. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Lemoult, 1907
Lemoult, M.P., Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques, Ann. Chim. Phys., 1907, 12, 395-432. [all data]

Muller, 1910
Muller, J.-A., Sur les chaleurs de combustion et les poids specifiques des methylamines, Ann. Chim. Phys., 1910, 20, 116-130. [all data]

Aston, Eidinoff, et al., 1939
Aston, J.G.; Eidinoff, M.L.; Forster, W.S., The heat capacity and entropy, heats of fusion and vaporization and the vapor pressure of dimethylamine, J. Am. Chem. Soc., 1939, 61, 1539-1543. [all data]

Golovnya, Zhuravleva, et al., 1980
Golovnya, R.V.; Zhuravleva, N.L.; Svetlova, N.I.; Grigor'eva, D.N., Gas-chromatographic separation of secondary normal alphatic amines, J. Anal. Chem. USSR (Engl. Transl.), 1980, 35, 10, 1280-1285. [all data]

Golovnya and Zhuravleva, 1973
Golovnya, R.V.; Zhuravleva, I.L., Gas Chromatographic Method of Identification of n-Aliphatic Amines Through the Use of Donor-Acceptor Interaction with Phosphate, Chromatographia, 1973, 6, 12, 508-513, https://doi.org/10.1007/BF02269131 . [all data]

Landault and Guiochon, 1964
Landault, C.; Guiochon, G., Separation des amines par chromatographie gaz-liquide en utilisant le teflon comme support, J. Chromatogr., 1964, 13, 327-336, https://doi.org/10.1016/S0021-9673(01)95126-X . [all data]

Anderson, Jurel, et al., 1973
Anderson, A.; Jurel, S.; Shymanska, M.; Golender, L., Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. VII. Retention indices of amines in some polar and unpolar stationary phases, Latv. PSR Zinat. Akad. Vestis Kim. Ser., 1973, 1, 51-63. [all data]

Flamini, Luigi Cioni, et al., 2003
Flamini, G.; Luigi Cioni, P.; Morelli, I., Volatiles from leaves, fruits, and virgin oil from Olea europaea Cv. Olivastra Seggianese from Italy, J. Agric. Food Chem., 2003, 51, 5, 1382-1386, https://doi.org/10.1021/jf020854y . [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Chen and Feng, 2007
Chen, Y.; Feng, C., QSPR study on gas chromatography retention index of some organic pollutants, Comput. Appl. Chem. (China), 2007, 24, 10, 1404-1408. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  S°liquid	Entropy of liquid at standard conditions
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions

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