Pyridine, 5-ethyl-2-methyl-

• Formula: C₈H₁₁N
• Molecular weight: 121.1796
• IUPAC Standard InChI: InChI=1S/C8H11N/c1-3-8-5-4-7(2)9-6-8/h4-6H,3H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: NTSLROIKFLNUIJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 104-90-5
• 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: 2-Picoline, 5-ethyl-; Aldehydecollidine; Aldehydine; Aldehydkollidin; MEP; 2-Methyl-5-ethylpyridine; 3-Ethyl-6-methylpyridine; 5-Ethyl-α-picoline; 5-Ethyl-2-methylpyridine; 5-Ethyl-2-picoline; 6-Methyl-3-ethylpyridine; 2,5-Aldehydine; UN 2300; Collidine, aldehydecollidine; NSC 1984; Pyridine, 2-methyl-5-ethyl
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • UV/Visible spectrum
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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

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

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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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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

UV/Visible 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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

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.

Gubareva, Gerasimov, et al., 1992
Gubareva, A.I.; Gerasimov, P.A.; Tarbeyeva, N.A.; Kunderenko, V.M., Physicochemical Properties of 2-methyl-5-ethylpyridine, Khim.-Farm. Zh., 1992, 26, 40-41. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Farberov, Kut'in, et al., 1961
Farberov, M.I.; Kut'in, A.M.; Ustavshchikov, V.F., The conditions of 2-methyl-5-vinylprydine synthesis, Zh. Prikl. Khim. (Leningrad), 1961, 34, 632. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Van de Rostyne and Prausnitz, 1980
Van de Rostyne, Catherine; Prausnitz, John M., Vapor pressures of some nitrogen-containing, coal-derived liquids, J. Chem. Eng. Data, 1980, 25, 1, 1-3, https://doi.org/10.1021/je60084a008 . [all data]

Frolov, Loginova, et al., 1961
Frolov, A.F.; Loginova, M.A.; Kiselev, M.M., Saturated Vapor Pressure and Vapor-Liquid Equilibrium of the System 2-Methyl-5-Vinylpyridine-2-Methyl-5-Ethylpyridine, Zh. Fiz. Khim., 1961, 35, 8, 1784-1788. [all data]

Fihtengolts, et al., 1969
Fihtengolts, V.S., et al., Atlas of UV Absorption Spectra of Substances Used in Synthetic Rubber Manufacture, 1969, 179. [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  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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