Benzene, 1,3-bis(1-methylethyl)-

• Formula: C₁₂H₁₈
• Molecular weight: 162.2713
• IUPAC Standard InChI: InChI=1S/C12H18/c1-9(2)11-6-5-7-12(8-11)10(3)4/h5-10H,1-4H3 Copy

  
• IUPAC Standard InChIKey: UNEATYXSUBPPKP-UHFFFAOYSA-N Copy
• CAS Registry Number: 99-62-7
• 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.
• Other names: Benzene, m-diisopropyl-; m-Diisopropylbenzene; 1,3-Diisopropylbenzene; meta-Diisopropylbenzene; 3-Isopropylcumene; 1,3-bis(1-methylethyl)benzene; Benzene, 1,3-di-(1-methylethyl)
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
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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
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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

2 =  + 

By formula: 2C₉H₁₂ = C₆H₆ + C₁₂H₁₈

=

By formula: C₁₂H₁₈ = C₁₂H₁₈

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.

Popov, Rozhnov, et al., 1974
Popov, V.E.; Rozhnov, A.M.; Satronov, V.S.; Volkova, A.G., Disproportionation equilibrium for isopropylbenzene, Neftekhimiya, 1974, 14, 364-367. [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]

Melpolder, Woodbridge, et al., 1948
Melpolder, F.W.; Woodbridge, J.E.; Headington, C.E., The isolation and physical properties of the diisopropyl- benzenes, J. Am. Chem. Soc., 1948, 70, 935-9. [all data]

Newton, 1943
Newton, A., Polyisopropylbenzenes: I preparation and properties of two di-, two tri-, and one tetra-isopropylbenzene, J. Am. Chem. Soc., 1943, 65, 320-3. [all data]

Verekin, 1998
Verekin, S.P., Thermochemical properties of isopropylbenzenes, Thermochim. Acta, 1998, 316, 131-136. [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]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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