IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: o-Xylene with Water
Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) o-Xylene; C8H10; [95-47-6]  NIST Chemistry WebBook for detail
Original Measurements:
   Polak, J.; Lu, B.C.Y., Can. J. Chem. 1973, 51, 4018-23.

 Variables:
   Temperature = 0 °C - 25 °C

 Prepared By:
   A. Maczynski and Z. Maczynska

 Experimental Data:   (Notes on the Nomenclature)
  
Solubility of o-xylene in water
t/°C103 * g1/kgg1/100 g solution (compiler)105 * Mole Fraction x1 (compiler)
0(a)142(c)0.01422.41
25(b)213(c)0.02133.61
Solubility of o-xylene in water
t/°C103 * g2/kgg2/kg Noteg2/100 g solution (compiler)103 * Mole Fraction x2 (compiler)
0(a)185d0.01851.09
25(b)456e0.04562.68
 Notes:
   a-e  See "Estimated Error"

 Method/Apparatus/Procedure:
   Approximately 50 mL of (1) together with (2) were placed in a 125 mL Hypo-vial which was closed with a teflon coated rubber septum and placed in a constant-temperature water bath. The system was stirred magnetically for 24 hr and left in the bath for 3 days or was kept in the bath without stirring for 7 days, before samples were taken for analysis.
The solubility of water in the organic layer was determined by Karl Fischer titration and the solubility of hydrocarbon in the water layer was determined by gas chromatography.

 Source and Purity of Materials:
   (1) Eastman Organics, pure grade reagent; shaken three times with distilled water.
   (2) distilled.

 Estimated Errors:
   Solubility: ( c ) ±1.7%, (d) ±4.7%, (e) ± 3.1% (from two or three determinations)
   Temperature: (a) ± 0.02°C, (b) ± 0.01°C