IUPAC-NIST Solubility Database
NIST Standard Reference Database 106


Glass Ball as Bullet Solubility System: 1,4-Dichlorobenzene with Water

Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) 1,4-Dichlorobenzene; C6H4Cl2; [106-46-7]  NIST Chemistry WebBook for detail

Original Measurements:
   Wauchope, R.D.; Getzen, F.W., J. Chem. Eng. Data 1972, 17(1), 38-41.

Variables:
   Temperature = Temperature

Prepared By:
   A. Vesala

Experimental Data:   (Notes on the Nomenclature)
  
t/°C104 * Molality mol1/kgmol1/kg Note101 * g1/kgg1/kg Note105 * Mole Fraction x1x1 Note
22.25.292b0.778a0.9535b
24.65.673b0.834a1.022b
25.55.911b0.869a1.065b
30.06.298b0.926a1.135b
34.56.938b1.02a1.250b
38.48.230b1.21a1.483b
47.510.81b1.59a1.949b
50.111.77b1.73a2.120b
View Figure 1 for this Evaluation

Notes:
   a  Reported.
   b  Calculated by F. W. Getzen.

Method/Apparatus/Procedure:
   Equilibrium was established by allowing the mixtures to stand in glass stoppered flasks, with occasional shaking, for 1-3 week periods at constant temperature. Samples of the saturated aqueous solutions were withdrawn with pipettes through glass-wool plugs and transferred to separatory funnels for weighing. An extraction with cyclohexane was then performed after which the extracts were analyzed spectrophotometrically at 273 nm. The concentrations were established from previously obtained absorbance values of standard reference solutions (which were observed to obey Beer's law).

Source and Purity of Materials:
   (1) Commercial product (Matheson, Coleman and Bell), recrystallized three times from abs. ethanol, vacuum sublimed twice, UV-spectrum and melting point were determined and were identical to published data.
   (2) Distilled and deionized water.

Estimated Errors:
   Solubility: ±2.3 (authors).
   Temperature: ±0.5 K (authors).