Benzenamine, N,N,4-trimethyl-

• Formula: C₉H₁₃N
• Molecular weight: 135.2062
• IUPAC Standard InChI: InChI=1S/C9H13N/c1-8-4-6-9(7-5-8)10(2)3/h4-7H,1-3H3 Copy

  
• IUPAC Standard InChIKey: GYVGXEWAOAAJEU-UHFFFAOYSA-N Copy
• CAS Registry Number: 99-97-8
• 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: p-Toluidine, N,N-dimethyl-; p-Methyl-N,N-dimethylaniline; p,N,N-trimethylaniline; Dimethyl-p-toluidine; N,N-Dimethyl-p-toluidine; N,N-Dimethyl-p-tolylamine; N,N-Dimethyl-4-methylaniline; N,N,4-Trimethylbenzenamine; N,N-Dimethyl-4-toluidine; N,N,4-Trimethylaniline; Dimetil-p-toluidina; Benzeneamine,N,N,4-trimethyl-; 1-(Dimethylamino)-4-methylbenzene; NSC 1785; p-(Dimethylamino)toluene
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• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
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Gas phase 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

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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - 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

C₉H₁₃N⁺ +  = (C₉H₁₃N⁺ • )

By formula: C₉H₁₃N⁺ + C₉H₁₃N = (C₉H₁₃N⁺ • C₉H₁₃N)

Bond type: Charge transfer bond (positive ion)

Free energy of reaction

C₉H₁₂N^- +  =

By formula: C₉H₁₂N^- + H⁺ = C₉H₁₃N

C₁₀H₁₀Fe⁺ +  = (C₁₀H₁₀Fe⁺ • )

By formula: C₁₀H₁₀Fe⁺ + C₉H₁₃N = (C₁₀H₁₀Fe⁺ • C₉H₁₃N)

= 0.5 + 0.5

By formula: C₈H₁₁N = 0.5C₇H₉N + 0.5C₉H₁₃N

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, 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, custom temperature program

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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.

Riberio da Silva, Riberio da Silva, et al., 1996
Riberio da Silva, M.A.V.; Riberio da Silva, M.D.M.C.; Monteiro, M.F.B.M.; Gomes, M.L.A.C.N.; Chickos, J.S.; Smith, A.P.; Liebman, J.F., Thermochemical studies for determination of the molar enthalpy of formation of aniline derivatives, Struct. Chem., 1996, 7, 367-373. [all data]

Meot-Ner (Mautner) and El-Shall, 1986
Meot-Ner (Mautner), M.; El-Shall, M.S., Ionic Charge Transfer Complexes. 1. Cationic Complexes with Delocalized and Partially Localized pi Systems, J. Am. Chem. Soc., 1986, 108, 15, 4386, https://doi.org/10.1021/ja00275a026 . [all data]

Caldwell and Bartmess
Caldwell, G.; Bartmess, J.E., , Unpublished results. [all data]

Meot-Ner (Mautner), 1989
Meot-Ner (Mautner), M., Ion DChemistry of Ferrocene. Thermochemistry of Ionization and Protonation and Solvent Clustering. Slow and Entropy - Driven Proton - Transfer Kinetics, J. Am. Chem. Soc., 1989, 111, 8, 2830, https://doi.org/10.1021/ja00190a014 . [all data]

Kachurin, Matvienko, et al., 1980
Kachurin, O.I.; Matvienko, N.M.; Chekhuta, V.G., N-Methylated p-toluidines, Russ. Chem. Rev., 1980, 46, 64-67. [all data]

Ellis and Still, 1979
Ellis, T.S.; Still, R.H., Thermal degradation of polymers. XXI. Vacuum pyrolysis of poly(m-N,N-dimethylaminostyrene); the products volatile at pyrolysis temperature, liquid at room temperature, J. Appl. Polym. Sci., 1979, 23, 10, 2837-2854, https://doi.org/10.1002/app.1979.070231002 . [all data]

Still, Evans, et al., 1972
Still, R.H.; Evans, M.B.; Whitehead, A., Thermal Degradation of Polymers. V. Vacuum Pyrolysis of Poly (p-N,N-dimethylaminostyrene) . The Products Volatile at Pyrolysis Temperature, Liquid or Gaseous at Room Temperature, J. Appl. Polym. Sci., 1972, 16, 12, 3207-3221, https://doi.org/10.1002/app.1972.070161213 . [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Zenkevich, 2001
Zenkevich, I.G., Comparative Characterization of Conditions for Unambuguous Chromatographic Identification of Organic Compounds, Zh. Anal. Khim., 2001, 56, 9, 915-924. [all data]

Notes

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• Symbols used in this document:
  

  T	Temperature
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

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