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
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• 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
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• Information on this page:
  • Critical temperature
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Fluid Properties
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Critical temperature

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

References

Go To: Top, Critical temperature, Notes

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

Ambrose and Tsonopoulos, 1995
Ambrose, D.; Tsonopoulos, C., Vapor-Liquid Critical Properties of Elements and Compounds. 2. Normal Alkenes, J. Chem. Eng. Data, 1995, 40, 531-546. [all data]

Steele, 1992
Steele, W.V., Personal Commun. 1992 1992, 1992. [all data]

Anselme, Gude, et al., 1990
Anselme, M.J.; Gude, M.; Teja, A.S., The Critical Temperatures and Densities of the n-Alkanes from Pentane to Octadecane, Fluid Phase Equilib., 1990, 57, 317-26. [all data]

Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J., The critical properties of thermally stable and unstable fluids. I. 1985 results, AIChE Symp. Ser., 1990, 86, 279, 115-21. [all data]

Rosenthal and Teja, 1989
Rosenthal, D.J.; Teja, A.S., The Critical Properties of n-Alkanes Using a Low-Residence Time Flow Apparatus, AIChE J., 1989, 35, 1829. [all data]

Teja, Lee, et al., 1989
Teja, A.S.; Lee, R.J.; Rosenthal, D.J.; Anselme, M.J., Correlation of the Critical Properties of Alkanes and Alkanols in 5th IUPAC Conference on Alkanes and AlkanolsGradisca, 1989. [all data]

Brunner, 1988
Brunner, E., Fluid Mixtures at High Pressures VI. Phase Separation and Critical Phenomena in 18 (n-Alkane + Ammonia) and 4 (n-Alkane _ Methanol) Mixtures, J. Chem. Thermodyn., 1988, 20, 273. [all data]

Smith, Anselme, et al., 1986
Smith, R.L.; Anselme, M.; Teja, A.S., Proc. World Congress III Chem. Eng., Tokyo, Vol. II, 1986. [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]

Matzik and Schneider, 1985
Matzik, I.; Schneider, G.M., Fluid phase equilibria of binary mixtures of sulfur hexafluoride with octane, nonane, hendecane, and cis-decahydronaphthalene at temperature between 280 K and 440 K and at pressures up to 140 MPa, Ber. Bunsen-Ges. Phys. Chem., 1985, 89, 551. [all data]

Mogollon, Kay, et al., 1982
Mogollon, E.; Kay, W.B.; Teja, A.S., Modified sealed-tube method for the determination of critical temperature., Ind. Eng. Chem. Fundam., 1982, 21, 2, 173-5. [all data]

Durig and Li, 1975
Durig, J.R.; Li, Y.S., Raman Spectra of Gases XVII Internal Rotational Motion in Ethylamine and Ethylamine-d2, J. Chem. Phys., 1975, 63, 4110. [all data]

Young, 1974
Young, C.L., Gas-Liquid Critical Temperature. 1-Propanol (Propyl Alcohol)-n-Octane System, Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 1, 51. [all data]

Young, 1974, 2
Young, C.L., Gas-Liquid Critical Temperature. 1-Butanol (Butyl Alcohol)-n-Octane System, Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 1, 55. [all data]

Mogollon and Kay, 1973
Mogollon, E.; Kay, W.B., Unpublished manuscript 1973, 1973. [all data]

Kreglewski and Kay, 1969
Kreglewski, A.; Kay, W.B., The Critical Constants of Conformal Mixtures, J. Phys. Chem., 1969, 73, 3359. [all data]

McMicking and Kay, 1965
McMicking, J.H.; Kay, W.B., Vapor Pressures and Saturated Liquid and Vapor Densities of The Isomeric Heptanes and Isomeric Octanes, Proc., Am. Pet. Inst., Sect. 3, 1965, 45, 75-90. [all data]

Connolly and Kandalic, 1962
Connolly, J.F.; Kandalic, G.A., Saturation Properties and Liquid Compressibilities for Benzene and n-Octane, J. Chem. Eng. Data, 1962, 7, 137. [all data]

Ambrose, Cox, et al., 1960
Ambrose, D.; Cox, J.D.; Townsend, R., The critical temperatures of forty organic compounds, Trans. Faraday Soc., 1960, 56, 1452. [all data]

Kreglewski, 1955
Kreglewski, A., The Critical Temperatures of Mixtures formed by Benzene and n-Octane with Iso-Alcohols, Rocz. Chem., 1955, 29, 754. [all data]

Young, 1910
Young, S., The Internal Heat of Vaporization constants of thirty pure substances, Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]

Young, 1900
Young, S., Vapor Pressures, Specific Volumes, and Critical Constants of Normal Octane, J. Chem. Soc., 1900, 77, 1145. [all data]

Altschul, 1893
Altschul, M., The critical values of some organic compounds, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1893, 11, 577. [all data]

Notes

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• Symbols used in this document:
  

  Tc	Critical temperature

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