Benzene, 2-ethenyl-1,4-dimethyl-

• Formula: C₁₀H₁₂
• Molecular weight: 132.2023
• IUPAC Standard InChI: InChI=1S/C10H12/c1-4-10-7-8(2)5-6-9(10)3/h4-7H,1H2,2-3H3 Copy

  
• IUPAC Standard InChIKey: DBWWINQJTZYDFK-UHFFFAOYSA-N Copy
• CAS Registry Number: 2039-89-6
• 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: Styrene, 2,5-dimethyl-; 1,4-Dimethyl-2-vinylbenzene; 2,5-Dimethylstyrene; 1,4-Dimethyl-2-ethenylbenzene
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
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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:
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

Reduced pressure boiling point

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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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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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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Lee's RI, non-polar column, custom temperature program

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References

Go To: Top, Phase change data, Gas Chromatography, Notes

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

Schwartzman and Corson, 1956
Schwartzman, L.H.; Corson, B.B., Steric Hinderance. II. The Rates of Dehalogenation of Methyl- and Dimethylstyrene Dibromides, J. Am. Chem. Soc., 1956, 78, 322. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]

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]

Zhang, Li, et al., 1992
Zhang, M.J.; Li, S.D.; Chen, B.J., Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions, Chromatographia, 1992, 33, 3/4, 138-146, https://doi.org/10.1007/BF02275894 . [all data]

Tóth, 1983
Tóth, T., Use of capillary gas chromatography in collecting retention and chemical information for the analysis of complex petrochemical mixtures, J. Chromatogr., 1983, 279, 157-165, https://doi.org/10.1016/S0021-9673(01)93614-3 . [all data]

Bredael, 1982
Bredael, P., Retention indices of hydrocarbons on SE-30, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610 . [all data]

Svob and Deur-Siftar, 1974
Svob, V.; Deur-Siftar, D., Kovats Retention Indices in the Identification of Alkylbenzene Degradation Products, J. Chromatogr., 1974, 91, 677-689, https://doi.org/10.1016/S0021-9673(01)97947-6 . [all data]

Antunes, Sevinate-Pinto, et al., 2004
Antunes, T.; Sevinate-Pinto, I.; Barroso, J.G.; Cavaleiro, C.; Salgueiro, L.R., Micromorphology of trichomes and composition of essential oil of Teucrium capitatum, Flavour Fragr. J., 2004, 19, 4, 336-340, https://doi.org/10.1002/ffj.1310 . [all data]

Cavaleiro, Salgueiro, et al., 2003
Cavaleiro, C.; Salgueiro, L.R.; da Cunha, A.P.; Figueiredo, A.C.; Barroso, J.G.; Bighelli, A.; Casanova, J., Composition and variability of the essential oils of the leaves and berries from Juniperus navicularis, Biochem. Syst. Ecol., 2003, 31, 2, 193-201, https://doi.org/10.1016/S0305-1978(02)00080-7 . [all data]

Bertoli, Lepnardi, et al., 2011
Bertoli, A.; Lepnardi, M.; Krzyzanowska, J.; Oleszek, W.; Pistelli, L., Mentha longifolia in vitro cultures as safe source of flavouring ingradients, Acta Biochem. Polonica, 2011, 58, 4, 581-587. [all data]

Chalchat, Figueredo, et al., 2010
Chalchat, J.-C.; Figueredo, G.; Ozcan, M.M.; Unver, A., Effect of hydrodistillation and microwave distillation extraction methods on chemical composition of essential oil of pickling herb and myrtle plants, South Western J. of Agriculture, 2010, 1, 2, 133-141. [all data]

Pala-Paul, Brophy, et al., 2007
Pala-Paul, J.; Brophy, J.J.; Perez-Alonso, M.J.; Usano, J.; Soria, S.C., Essential oil composition of the different parts of Eryngium corniculatum Lam. (Apiaceae) from Spain, J. Chromatogr. A, 2007, 1175, 2, 289-293, https://doi.org/10.1016/j.chroma.2007.10.061 . [all data]

Abdelwahed, Hayder, et al., 2006
Abdelwahed, A.; Hayder, N.; Kilani, S.; Mahmoud, A.; Chibani, J.; Hammami, M.; Chekir-Ghedira, L.; Ghedira, K., Chemical composition and antimicrobial activity of essential oils from Tunisian Pituranthos tortuosus (Coss.) Maire, Flavour Fragr. J., 2006, 21, 1, 129-133, https://doi.org/10.1002/ffj.1542 . [all data]

Mojab, Rustaiyan, et al., 2002
Mojab, F.; Rustaiyan, A.; Jasbi, A.R., Essential oils of Heracleum persicum Desf. ex Fischer leaves, 2002, retrieved from http://www1.tums.ac.ir/daru/DaruVolum10-No1-2002/Mojab.htm. [all data]

Albano, Lima, et al., 2012
Albano, S.M.; Lima, A.S.; Miguel, M.G.; Pedro, L.G.; Barroso, J.G.; Figueiredo, A.C., Antioxidant, anti-5-lipoxygenase and antiacetylcholinesterase activities of essential oils and decoction water of some aromatic plants, Rec. Nat. Prod., 2012, 6, 1, 35-48. [all data]

Veres, Csupor-Loffler, et al., 2012
Veres, K.; Csupor-Loffler, B.; Lazar, A.; Holmann, J., Antifungal activity and composition of essential oils of Conyza canadensis herbs and roots, The Sci. World. J., 2012, 2012, 1-5, https://doi.org/10.1100/2012/489646 . [all data]

Mendes, Trindade, et al., 2009
Mendes, M.D.; Trindade, H.; Figueiredo, A.C.; Pedro, L.G.; Barroso, J.G., Chaerophyllum azoricun Trel. grown in the Azores archipelago, Portugal: evaluation of the genetic diversity using molecular markers and comparison with volatile oils profiles, Flavour Fragr. J., 2009, 24, 5, 259-265, https://doi.org/10.1002/ffj.1939 . [all data]

Mendes, Trindade, et al., 2009, 2
Mendes, M.D.; Trindade, H.; Figueiredo, A.C.; Barroso, J.G.; Fontinha, S.S.; Pedro, L.G., Volatile and molecular characterization of two Portuguese endemic species: Angelica lignescens and Melanoselinium decipiens, Biochen. Systematics Ecol., 2009, 37, 2, 98-105, https://doi.org/10.1016/j.bse.2008.12.006 . [all data]

Figueiredo, Sim-Sim, et al., 2005
Figueiredo, A.C.; Sim-Sim, M.; Costa, M.M.; Barroso, J.G.; Pedro, L.G.; Esquível, M.G.; Gutierres, F.; Lobo, C.; Fontinha, S., Comparison of the essential oil composition of four Plagiochila species: P. bifaria, P. maderensis, P. retrorsa and P. stricta, Flavour Fragr. J., 2005, 20, 6, 703-709, https://doi.org/10.1002/ffj.1627 . [all data]

Cornwell and Cordano, 2003
Cornwell, E.; Cordano, G., Nueva proposicion para predecir datos de retencion obtenidos mediante cromatografia de gases de hidrocarburos derivados de las naftas, Revista de la Sociedad Quimica de Mexico, 2003, 47, 1, 38-43. [all data]

Santos, Figueiredo, et al., 1999
Santos, P.A.; Figueiredo, A.C.; Barroso, J.G.; Pedro, L.G.; Scheffer, J.J.C., Composition of the essential oil of Hypericum foliosum Aiton from five Azorean islands, Flavour Fragr. J., 1999, 14, 5, 283-286, https://doi.org/10.1002/(SICI)1099-1026(199909/10)14:5<283::AID-FFJ826>3.0.CO;2-2 . [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Baser, Demirci, et al., 2003
Baser, K.H.C.; Demirci, B.; Dekebo, A.; Dagne, E., Essential oils of some Boswellia spp., myrrh and opopanax, Flavour Fragr. J., 2003, 18, 2, 153-156, https://doi.org/10.1002/ffj.1166 . [all data]

Fuentes, Font, et al., 2007
Fuentes, M.J.; Font, R.; Gomez-Rico, M.F.; Martin-Gullon, I., Pyrolysis and combustion of waste lubricant oil from diesel cars: Decomposition and pollutants, J. Anal. Appl. Pyrolysis, 2007, 79, 1-2, 215-226, https://doi.org/10.1016/j.jaap.2006.12.004 . [all data]

Notes

Go To: Top, Phase change data, Gas Chromatography, 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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