2,4-Dimethylstyrene

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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

Quantity Value Units Method Reference Comment
Tfus208.83KN/ASchwartzman and Corson, 1956Uncertainty assigned by TRC = 0.4 K; TRC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
346.70.013Aldrich Chemical Company Inc., 1990BS
352.70.016Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
50.0322.AStephenson and Malanowski, 1987Based on data from 307. to 453. K. See also Stull, 1947.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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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Column type Active phase Temperature (C) I Reference Comment
CapillaryHP-1100.1081.Zhang, Li, et al., 1992N2; Column length: 25. m; Column diameter: 0.20 mm
CapillaryHP-1100.1082.Zhang, Li, et al., 1992N2; Column length: 25. m; Column diameter: 0.20 mm
CapillarySE-3070.1075.4Tóth, 1983N2; Column length: 15. m; Column diameter: 0.25 mm
CapillarySE-30130.1100.Bredael, 1982Column length: 100. m; Column diameter: 0.5 mm
CapillarySE-3080.1083.Bredael, 1982Column length: 100. m; Column diameter: 0.5 mm
CapillarySqualane86.1080.9Macák, Nabivach, et al., 1982N2; Column length: 50. m; Column diameter: 0.25 mm
CapillarySqualane96.1084.2Macák, Nabivach, et al., 1982N2; Column length: 50. m; Column diameter: 0.25 mm
CapillarySqualane96.1084.2Nabivach, Bur'yan, et al., 1978Column length: 50. m; Column diameter: 0.25 mm
CapillarySE-3065.1079.8Svob and Deur-Siftar, 1974He; Column length: 25.5 m; Column diameter: 0.5 mm

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-20M70.1440.5Tóth, 1983N2; Column length: 30. m; Column diameter: 0.3 mm

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

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Column type Active phase I Reference Comment
CapillaryPolymethylsiloxane, (PMS-20000)1075.Cornwell and Cordano, 2003Program: not specified

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1440.Cornwell and Cordano, 2003Program: not specified

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.

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]

Macák, Nabivach, et al., 1982
Macák, J.; Nabivach, V.; Buryan, P.; Sindler, S., Dependence of retention indices of alkylbenzenes on their molecular structure, J. Chromatogr., 1982, 234, 2, 285-302, https://doi.org/10.1016/S0021-9673(00)81867-1 . [all data]

Nabivach, Bur'yan, et al., 1978
Nabivach, V.M.; Bur'yan, P.; Matsak, I., Retention indices of aromatic hydrocarbons on a squalane capillary column, Zh. Anal. Khim., 1978, 33, 7, 1108-1113. [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]

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]


Notes

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