- Formula: C8H11N
- Molecular weight: 121.1796
- IUPAC Standard InChI:
- Download the identifier in a file.
- IUPAC Standard InChIKey: UTBIMNXEDGNJFE-UHFFFAOYSA-N
- 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:
- Other data available:
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
|Cp,liquid (cal/mol*K)||Temperature (K)||Reference||Comment|
|52.58||300.60||Svoboda and Zabransky, 1991||T = 300 to 328 K. Cp(liq) = 410.64 - 1.5171T + 2.9366x10-3T2 J/mol*K (300 to 328 K).|
Phase change data
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), References, Notes
Data compiled as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
|Tboil||444.7||K||N/A||Majer and Svoboda, 1985|
|Tc||654.5||K||N/A||Majer and Svoboda, 1985|
|vapH°||12.10||kcal/mol||N/A||Majer and Svoboda, 1985|
Enthalpy of vaporization
|vapH (kcal/mol)||Temperature (K)||Method||Reference||Comment|
|9.548||444.7||N/A||Majer and Svoboda, 1985|
|11.6||328.||C||Majer, Svoboda, et al., 1985||AC|
|11.4||343.||C||Majer, Svoboda, et al., 1985||AC|
|10.9||368.||C||Majer, Svoboda, et al., 1985||AC|
Enthalpy of vaporization
A exp(-βTr) (1 − Tr)β
ΔvapH = Enthalpy of vaporization (at saturation pressure) (kcal/mol)
Tr = reduced temperature (T / Tc)
|Temperature (K)||A (kcal/mol)||Tc (K)||Reference||Comment|
|328. - 368.||16.89||0.3139||654.5||Majer and Svoboda, 1985|
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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|Owner||NIST Mass Spectrometry Data Center|
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
|NIST MS number||2203|
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes
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]
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tc Critical temperature vapH Enthalpy of vaporization vapH° Enthalpy of vaporization at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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