Cyclohexane, 1-ethyl-4-methyl-, cis-

• Formula: C₉H₁₈
• Molecular weight: 126.2392
• IUPAC Standard InChI: InChI=1S/C9H18/c1-3-9-6-4-8(2)5-7-9/h8-9H,3-7H2,1-2H3/t8-,9+ Copy

  
• IUPAC Standard InChIKey: CYISMTMRBPPERU-DTORHVGOSA-N Copy
• CAS Registry Number: 4926-78-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Stereoisomers:
  • 1-Ethyl-4-methylcyclohexane
  • Cyclohexane, 1-ethyl-4-methyl-, trans-
• Other names: cis-1-Ethyl-4-Methylcyclohexane; cis-1-Methyl-4-Ethylcyclohexane; 1-Methyl-cis-4-ethylcyclohexane; 1-Ethyl-4-methyl(cis)-cyclohexane; c-1-Ethyl-4-methylcyclohexane; 1-Ethyl-4-methylcyclohexane, (Z)-
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • 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: 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

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

3 +  =

By formula: 3H₂ + C₉H₁₂ = C₉H₁₈

=

By formula: C₉H₁₈ = C₉H₁₈

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.

Good, 1970
Good, W.D., The enthalpies of combustion and formation of n-propylcyclohexane and six methylethylcyclohexanes, J. Chem. Thermodyn., 1970, 2, 399-405. [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]

Chiurdoglu, 1944
Chiurdoglu, G., Bull. Soc. Chim. Belg., 1944, 53, 55. [all data]

Signaigo and Cramer, 1933
Signaigo, F.K.; Cramer, P.L., The preparation of some mono- and dialkylcylohexanes, J. Am. Chem. Soc., 1933, 55, 3326-32. [all data]

Engler and Hofer, 1913
Engler, C.; Hofer, H., Das Erdols, Vol. 1, Hirtzel Co.: Leipzig, Ger., 1913. [all data]

Sabatier and Senderens, 1905
Sabatier, P.; Senderens, J.B., Ann. Chim. Phys., 1905, 4, 358. [all data]

Miki, 1975
Miki, Y., The thermodynamic properties of C₉H₁₈ naphthenes. I. The determination of the equilibrium constants of the hydrogenation of propyl- and isopropylbenzene and ethyltoluenes, Bull. Chem. Soc. Jpn., 1975, 48, 201-208. [all data]

Mann, 1968
Mann, G., Conformation and physical data of alkanes and cyclanes. IV. Conformation energy of gauche-anticonformers, Tetrahedron, 1968, 24, 6495-65. [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°liquid	Enthalpy of formation of liquid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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