1,1'-Biphenyl, 2-ethyl-

• Formula: C₁₄H₁₄
• Molecular weight: 182.2610
• IUPAC Standard InChI: InChI=1S/C14H14/c1-2-12-8-6-7-11-14(12)13-9-4-3-5-10-13/h3-11H,2H2,1H3 Copy

  
• IUPAC Standard InChIKey: DLMYHUARHITGIJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 1812-51-7
• 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: Biphenyl, 2-ethyl-; o-Ethylbiphenyl; 2-Ethylbiphenyl; 1-Ethyl-2-phenylbenzene
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
  • References
  • Notes
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Reduced pressure boiling point

Enthalpy of fusion

Entropy of fusion

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

=

By formula: C₁₄H₁₄ = C₁₄H₁₄

Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

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

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

Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, polar column, isothermal

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Lee's RI, non-polar column, temperature ramp

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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.

Wise, Serijan, et al., 1951
Wise, C.H.; Serijan, K.T.; Goodman, I.A., NACA Technical Report 1003, NACA Technical Report 1003, 1951, 1-10. [all data]

Goodman and Wise, 1950
Goodman, I.A.; Wise, P.H., Dicyclic hydrocarbons. I. 2-Aklylbiphenyls, J. Am. Chem. Soc., 1950, 72, 3076-3078. [all data]

Chirico, Hossenloop, et al., 1987
Chirico, R.D.; Hossenloop, I.A.; Nguyen, A.; Strube, M.M.; Steele, W.V., Thermodynamic studies related to the hydrogenation of phenanthrene, NIPER Report, 1987, 247, 107p. [all data]

Goodman and Wise, 1951
Goodman, I.A.; Wise, P.H., Synthesis & purification of some alkylbiphenyls & alkylbicyclohexyls., Natl. Advis. Comm. Aeronaut., Tech. Note NACA TN 2260, Lewis Flight Propulsion Lab., Cleveland, Ohio, 1951. [all data]

Goodman and Wise, 1950, 2
Goodman, I.A.; Wise, P.H., Dicycloic Hydrocarbons I. 2-Alkylbiphenyls, J. Am. Chem. Soc., 1950, 72, 3076. [all data]

Huber, Renoll, et al., 1946
Huber, W.F.; Renoll, M.; Rossow, A.G.; Mowry, D.T., Vinyl Aromatic Compounds II. o-, m-, and p-Vinylbiphenyls, J. Am. Chem. Soc., 1946, 68, 1109. [all data]

Chirico, Hossenlopp, et al., 1987
Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Steele, W.V., Thermochem. and Thermophys. Prop. of Organic Compounds Derived from Fossil Substances. Thermodynamic Studies Related to the Hydrogenation of Anthracene, Natl. Inst. Pet. Energy Res. Rep. NIPER-239, Bartlesvill- e, OK, 1987. [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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Roshchupkina, Nesterova, et al., 1987
Roshchupkina, I.Yu.; Nesterova, T.N.; Rozhnov, A.M., Equilibria of isomeric transformations of alkylbiphenyls, J. Chem. Thermodyn., 1987, 19, 299-306. [all data]

Maier and Turner, 1972
Maier, J.P.; Turner, D.W., Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part I. Biphenyls, Faraday Discuss. Chem. Soc., 1972, 54, 149. [all data]

Kusakov, et al., 1963
Kusakov, M.M., et al., Ultraviolet Absorption Spectra of Aromatic Hydrocarbons, 1963, 183. [all data]

Kríz, Popl, et al., 1974
Kríz, J.; Popl, M.; Mostecký, J., Retention indices of biphenyls and diphenylalkanes, J. Chromatogr., 1974, 97, 1, 3-13, https://doi.org/10.1016/S0021-9673(01)97577-6 . [all data]

Lee, Vassilaros, et al., 1979
Lee, M.L.; Vassilaros, D.L.; White, C.M.; Novotny, M., Retention Indices for Programmed-Temperature Capillary-Column Gas Chromatography of Polycyclic Aromatic Hydrocarbons, Anal. Chem., 1979, 51, 6, 768-773, https://doi.org/10.1021/ac50042a043 . [all data]

Notes

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• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  S°liquid	Entropy of liquid at standard conditions
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrH°	Enthalpy of reaction at standard conditions

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