IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Toluene with Water
Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) Toluene; C7H8; [108-88-3]  NIST Chemistry WebBook for detail
Original Measurements:
   Morrison, T.J.; Billett, F., J. Chem. Soc. 1952, 3819-22.

 Variables:
   Temperature = One temperature: 25 °C

 Prepared By:
   A. Maczynski

 Experimental Remarks:
   The solubility of toluene in water at 25 °C was reported tobe 0.00582 mol(1)/1000 g (2).
The corresponding mass percent and mole fraction, x1, calculated by compilers are 0.0536 g(1)/100 g sln and x1 = 1.05 x 10-4. The compiler's calculations assume a solution density of 1.00 g/mL.

 Experimental Data:   (Notes on the Nomenclature)
   Method/Apparatus/Procedure:
   After an excess of (1) had been shaken with about 1 dm3 of (2) for about a week, a known volume of saturated solution was made slightly alkaline, and a stream of pure air passed through a silica tube packed with cupric oxide and heated to redness, the (2) was removed by concentrated sulfuric acid and calcium chloride and the carbon dioxide absorbed and weighed in soda-asbestos. The precautions usual in organic combustions were taken.

 Source and Purity of Materials:
   (1) source not specified; purest obtainable material; distilled; purity not specified.
   (2) not specified.

 Estimated Errors:
   Solubility: ± 0.5% (mean of large numbers of determinations)
   Temperature: ± 0.1 K