Benzene, 1-ethyl-2,4,5-trimethyl-

• Formula: C₁₁H₁₆
• Molecular weight: 148.2447
• IUPAC Standard InChI: InChI=1S/C11H16/c1-5-11-7-9(3)8(2)6-10(11)4/h6-7H,5H2,1-4H3 Copy

  
• IUPAC Standard InChIKey: IYFUQKGDILUVJG-UHFFFAOYSA-N Copy
• CAS Registry Number: 17851-27-3
• 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: 1,2,4-Trimethyl,5-Ethylbenzene; Benzene, 1,2,4-trimethyl-5-ethyl; Benzene, 5-ethyl-1,2,4-trimethyl; 1-Ethyl-2,4,5-trimethylbenzene; 5-Ethyl-1,2,4-trimethylbenzene
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• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas Chromatography
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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
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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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

Go To: Top, Phase change data, Mass spectrum (electron ionization), Notes

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

Von Auwers and Ziegler, 1921
Von Auwers, K.; Ziegler, K., Justus Liebigs Ann. Chem., 1921, 425, 217. [all data]

Von Auwers, 1919
Von Auwers, K., Connections between constitution and physical properties of hydrocarbons of the benzene series., Justus Liebigs Ann. Chem., 1919, 419, 92. [all data]

Skvarchenko, Levina, et al., 1957
Skvarchenko, V.R.; Levina, R.Ya.; Kuz'min, M.G., Synthesis of Hydrocarbons LX. Homologs of Ethylbenzene from Adducts of Alkadienes with Methylethylmaleic Anhydride, Zh. Obshch. Khim., 1957, 27, 1784. [all data]

Buck, Coles, et al., 1949
Buck, F.R.; Coles, K.F.; Kennedy, G.T.; Morton, F., Some Nuclear-methylated Styrenes and Related Compounds, J. Chem. Soc., 1949, 1949, 2377-83. [all data]

Smith and Kiess, 1939
Smith, L.I.; Kiess, M.A., Polymethylbenzenes. XXIII. The Preparation and Physical Propeties of 3- and 5-Ethylpseudocumenes and of Ethylmesitylene, J. Am. Chem. Soc., 1939, 61, 284. [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔvapH	Enthalpy of vaporization

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