Methanediamine, N,N,N',N'-tetramethyl-

• Formula: C₅H₁₄N₂
• Molecular weight: 102.1781
• IUPAC Standard InChI: InChI=1S/C5H14N2/c1-6(2)5-7(3)4/h5H2,1-4H3 Copy

  
• IUPAC Standard InChIKey: VGIVLIHKENZQHQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 51-80-9
• 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: Bis(dimethylamino)methane; Dimethyl[(dimethylamino)methyl]amine; Methylenebis(dimethylamine); N,N,N',N'-Tetramethyldiaminomethane; N,N,N',N'-Tetramethylmethanediamine; N,N,N',N'-Tetramethylmethylenediamine; Tetramethylmethylenediamine; ((CH3)2N)2CH2; Methylenediamine, N,N,N',N'-tetramethyl-; N,N,N',N'-Tetramethyldiaminomethan; NA 9069; NSC 166169
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• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
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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

Enthalpy of vaporization

Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

2 +  =  + 

By formula: 2C₂H₇N + CH₂O = C₅H₁₄N₂ + H₂O

Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

Appearance energy determinations

IR Spectrum

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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

Gas Phase Spectrum

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Additional Data

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

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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Aylett and Peterson, 1965
Aylett, B.J.; Peterson, L.K., 747. The relative stabilities of some complexes of dimethyl-amino-silanes and -methanes with Lewis acids, J. Chem. Soc., 1965, 4043, https://doi.org/10.1039/jr9650004043 . [all data]

Rogers and Rapiejko, 1974
Rogers, F.E.; Rapiejko, R.J., Thermochemistry of carbonyl addition reactions. II. Enthalpy of addition of dimethylamine to formaldehyde, J. Phys. Chem., 1974, 78, 599-603. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Loguinov, Takhistov, et al., 1981
Loguinov, Y.; Takhistov, V.V.; Vatlina, L.P., Photoionization studies of substituted trimethylamines, Org. Mass Spectrom., 1981, 16, 239. [all data]

Akopyan and Loginov, 1974
Akopyan, M.E.; Loginov, Yu.V., Photoelectron spectra of trimethylamine derivatives, Opt. Spectrosc., 1974, 37, 250, In original 442. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  Tboil	Boiling point
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization

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