Abstract
The solubilities of o-, m- and p-xylene in water were measured at 25.0°C up to 250, 385, and 50 MPa, respectively. The solubility increased with increasing pressure up to 120 MPa (50 MPa for p-xylene) and then decreased. The reaction volumes, ΔVo accompanying the dissolution at 0.1 MPa were estimated as −3.6±0.5, −3.4±0.5, and −4.1±0.5 cm3-mol−1 for o-, m-, and p-xylene, respectively, from the pressure dependences of the solubilities. The limiting partial molar volumes, of p- and o-xylene in water under high pressure were estimated from ΔVo and the molar volume of the xylene. The partial molar volumes decreased with increasing pressure. The reaction volume for the formation of intra-molecular pairwise hydrophobic interaction between the methyl groups, as proposed by Ben-Naim, is discussed for the ΔVo of p- and o-xylene at 0.1 MPa.
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References
C. Tanford,The Hydrophobic Effect, 2nd ed. (John Wiley, New York, 1980), Chapter 2.
R. S. Bradley, M. J. Dew, and D. C. Munro,High Temp.-High Pressures 5, 169 (1973).
Y. Taniguchi and K. Suzuki,J. Phys. Chem. 87, 5185 (1983).
A. Ben-Naim and J. Wilf,J. Chem. Phys. 70, 771 (1979).
S. Sawamura, M. Tsuchiya, Y. Taniguchi, and K. Suzuki,Physica 139, 732 (1986).
J. A. Riddick and W. B. Bunger,Organic Solvents, 3rd ed. (Wiley-Interscience, New York, 1970).
J. F. Skinner, E. L. Cussler, and R. M. Fuoss,J. Phys. Chem. 72, 1057 (1968).
K. E. Weale,Chemical Reactions at High Pressures (E. Spon, London, 1967) Chapter 2-2.
A. Ben-Naim,Topics in Molecular Pharmacology, A. S. V. Burgen and G. C. K. Roberts, ed., (Elsevier, Amsterdam 1983), p. 15.
E. Morild,Acta Chem. Scand. A 34, 777 (1980).
F. Shahidi, P. G. Farrell, J. T. Edward, and P. Canonne,J. Org. Chem. 44, 950 (1979).
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Sawamura, S., Suzuki, K. & Taniguchi, Y. Effect of pressure on the solubilities ofo-,m- andp-xylene in water. J Solution Chem 16, 649–657 (1987). https://doi.org/10.1007/BF00649092
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DOI: https://doi.org/10.1007/BF00649092