Pyridine, 2,3,6-trimethyl-

• Formula: C₈H₁₁N
• Molecular weight: 121.1796
• IUPAC Standard InChI: InChI=1S/C8H11N/c1-6-4-5-7(2)9-8(6)3/h4-5H,1-3H3 Copy

  
• IUPAC Standard InChIKey: UTBIMNXEDGNJFE-UHFFFAOYSA-N Copy
• CAS Registry Number: 1462-84-6
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: 2,3,6-Collidine; 2,3,6-Trimethylpyridine
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Condensed 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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:
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Enthalpy of vaporization

Δ_vapH = A exp(-βT_r) (1 − T_r)^β
    Δ_vapH = Enthalpy of vaporization (at saturation pressure) (kcal/mol)
    T_r = reduced temperature (T / T_c)

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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.

Svoboda and Zabransky, 1991
Svoboda, V.; Zabransky, M., Heat capacities of liquid 2,3,6-trimethylpyridine, 2,4,6-trimethylpyridine and 3-methoxypropionitrile within the range of temperatures of 300 to 328 K, Collect. Czech. Chem. Commun., 1991, 56(12), 2786-2790. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Majer, Svoboda, et al., 1985
Majer, V.; Svoboda, V.; Lencka, M., Enthalpies of vaporization and cohesive energies of dimethylpyridines and trimethylpyridines, The Journal of Chemical Thermodynamics, 1985, 17, 4, 365-370, https://doi.org/10.1016/0021-9614(85)90133-8 . [all data]

Notes

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• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  Tboil	Boiling point
  Tc	Critical temperature
  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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