Octane

• Formula: C₈H₁₈
• Molecular weight: 114.2285
• IUPAC Standard InChI: InChI=1S/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: TVMXDCGIABBOFY-UHFFFAOYSA-N Copy
• CAS Registry Number: 111-65-9
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Isotopologues:
  • Octane-d18-
  • Octane-1,2,3,4,5,6-d13
  • Octane-1,2,3,4-d9
  • Octane-1,2-d5
• Other names: n-Octane; n-C8H18; Oktan; Oktanen; Ottani; UN 1262
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Fluid Properties
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
  • Reference simulation
• Options:
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Reaction thermochemistry data

Go To: Top, 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: 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

 +  =

By formula: C₈H₁₆ + H₂ = C₈H₁₈

 +  =

By formula: H₂ + C₈H₁₆ = C₈H₁₈

2 +  =

By formula: 2H₂ + C₈H₁₄ = C₈H₁₈

2 +  =

By formula: 2H₂ + C₈H₁₄ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

=

By formula: C₈H₁₈ = C₈H₁₈

 +  =

By formula: H₂ + C₈H₁₆ = C₈H₁₈

 +  =

By formula: H₂ + C₈H₁₆ = C₈H₁₈

 +  =

By formula: H₂ + C₈H₁₆ = C₈H₁₈

 +  =

By formula: H₂ + C₈H₁₆ = C₈H₁₈

2 +  =

By formula: 2H₂ + C₈H₁₄ = C₈H₁₈

 +  =

By formula: H₂ + C₈H₁₆ = C₈H₁₈

2 +  =

By formula: 2H₂ + C₈H₁₄ = C₈H₁₈

4 +  =

By formula: 4H₂ + C₈H₁₀ = C₈H₁₈

3 +  =

By formula: 3H₂ + C₈H₁₂ = C₈H₁₈

4 +  =

By formula: 4H₂ + C₈H₁₀ = C₈H₁₈

=  + 

By formula: C₈H₁₈ = H₂ + C₈H₁₆

=  + 

By formula: C₈H₁₈ = H₂ + C₈H₁₆

=  + 

By formula: C₈H₁₈ = H₂ + C₈H₁₆

=  + 

By formula: C₈H₁₈ = H₂ + C₈H₁₆

=  + 

By formula: C₈H₁₈ = H₂ + C₈H₁₆

=  + 

By formula: C₈H₁₈ = H₂ + C₈H₁₆

=  + 

By formula: C₈H₁₈ = C₈H₁₆ + H₂

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Rogers, Dejroongruang, et al., 1992
Rogers, D.W.; Dejroongruang, K.; Samuel, S.D.; Fang, W.; Zhao, Y., Enthalpies of hydrogenation of the octenes and the methylheptenes, J. Chem. Thermodyn., 1992, 24, 561-565. [all data]

Rogers and Siddiqui, 1975
Rogers, D.W.; Siddiqui, N.A., Heats of hydrogenation of large molecules. I. Esters of unsaturated fatty acids, J. Phys. Chem., 1975, 79, 574-577. [all data]

Turner, Jarrett, et al., 1973
Turner, R.B.; Jarrett, A.D.; Goebel, P.; Mallon, B.J., Heats of hydrogenation. 9. Cyclic acetylenes and some miscellaneous olefins, J. Am. Chem. Soc., 1973, 95, 790-792. [all data]

Rogers, Dagdagan, et al., 1979
Rogers, D.W.; Dagdagan, O.A.; Allinger, N.L., Heats of hydrogenation and formation of linear alkynes and a molecular mechanics interpretation, J. Am. Chem. Soc., 1979, 101, 671-676. [all data]

Sicher, Svoboda, et al., 1966
Sicher, J.; Svoboda, M.; Zavada, J.; Turner, R.B.; Goebel, P., Sterochemical studies - XXXVI. An approach to conformational analysis of medium ring compounds. Unsaturated ten-membered ring derivates, Tetrahedron, 1966, 22, 659-671. [all data]

Molnar, Rachford, et al., 1984
Molnar, A.; Rachford, R.; Smith, G.V.; Liu, R., Heats of hydrogenation by a simple and rapid flow calorimetric method, Appl. Catal., 1984, 9, 219-223. [all data]

Prosen and Rossini, 1945
Prosen, E.J.; Rossini, F.D., Heats of isomerization of the 18 octanes, J. Res. NBS, 1945, 34, 163-174. [all data]

Flitcroft, Skinner, et al., 1957
Flitcroft, T.; Skinner, H.A.; Whiting, M.C., Heats of hydrogenation Part 1.-Dodeca-3:9 and -5:7 Diynes, Trans. Faraday Soc., 1957, 53, 784-790. [all data]

Flitcroft and Skinner, 1958
Flitcroft, T.L.; Skinner, H.A., Heats of hydrogenation Part 2.-Acetylene derivatives, Trans. Faraday Soc., 1958, 54, 47-53. [all data]

Roth, Scholz, et al., 1982
Roth, W.R.; Scholz, B.P.; Breuckmann, R.; Jelich, K.; Lennartz, H.W., Thermolysis of 1,2,6,7-octatetraene, Chem. Ber., 1982, 115, 1934-1946. [all data]

Eliseev, 1986
Eliseev, N.A., Thermodynamic calculation of the equilibrium composition of isomeric octenes in dehydrogenation of n-octane, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1986, 29, 26-29. [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions

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