IUPAC-NIST Solubility Database
NIST Standard Reference Database 106


Glass Ball as Bullet Solubility System: Toluene with Sodium Chloride and Water

Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) Sodium Chloride; NaCl; [7647-14-5]  NIST Chemistry WebBook for detail
   (3) Toluene; C7H8; [108-88-3]  NIST Chemistry WebBook for detail

Original Measurements:
   Mackay, D.; Shiu, W.Y., Can. J. Chem. Eng. 1975, 53, 239-42.

Variables:
   Temperature = 25 °C
   Concentration = Salinity: 0-200 g(2)/kg sln

Prepared By:
   M. Kleinschmidt and D. Shaw

Experimental Remarks:

   The solubility of toluene in solutions of sodium chloride is reported in terms of the Setschenow equation:

log(SoS) = KsCs

    where,

     Sois the solubility of (1) in water (mg/L)
      S is the solubility of (1) in saline solution (mg/L)
     Ks is the Setschenow constant (L/mol)
     Cs in the concentration of sodium chloride (mol/L)
      evaluating the equation for S over the range of Cs 0-0.4 mol/L, Ks = 0.2052 ± 0.0056 (standard error) with So = 519.5 ± 9.6.

The corresponding mass percent and mole fraction x1, at salinity = 35 g(2)/kg sln calculated by the compilers are 3.79 x 10-2 g(1)/100 g sln and 7.743 x 10-5 assuming a density of 1.025 kg/L.

Experimental Data:   (Notes on the Nomenclature)
   Method/Apparatus/Procedure:


Source and Purity of Materials:


Estimated Errors: