IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: 1,2,4-Trichlorobenzene with Water
Components:
   (1) Water-d2; D2O; [7789-20-0]  NIST Chemistry WebBook for detail
   (2) 1,2,4-Trichlorobenzene; C6H3Cl3; [120-82-1]  NIST Chemistry WebBook for detail
Original Measurements:
   Hutchinson, C.A.; Lyon, A.M., Columbia University Report A-745, July 1, 1943.

 Variables:
   Temperature = One temperature

 Prepared By:
   G. Jancso

 Experimental Data:   (Notes on the Nomenclature)
  
t/°C103 * Molality mol1/kgmol1/kg Note101 * g1/kgg1/kg Note103 * Mole Fraction x1x1 Note
259.98b1.999a1.808a
 Notes:
   a  Calculated by F. W. Getzen.
   b  Reported (average of two experimental measurements).

 Method/Apparatus/Procedure:
   Between 25 and 100 ml 1, 2, 4-trichlorobenzene and 1 to 2 ml D2O were placed in a flask and shaken for about 90 min. The thermostat water bath temperature was maintained within ± 0.05°C. Then, a sample was removed and the amount of D2O dissolved was determined by a modified Karl Fischer titration (1). The original report was unavailable; however, the method and the results were described in sufficient detail in (1). The solubility of H2O in 1, 2, 4-trichlorobenzene was also determined and found to be 0.01123 mol(1)/kg. The average devitation for two experiments was ±0.00006 mol(1)/kg.

 Source and Purity of Materials:
   (1) Carefully purified and dried before use. Source and method not given.
   (2) Source not specified.

 Estimated Errors:
   Solubility: av. dev. ±2.1 x 10-5 mol D2O/100 g solution.
   Temperature: ± 0.05 K.

 References:
   1Eidnoff, M. L. In "Production of Heavy Water", National Nuclear Energy Series Division III-Vol. 4F, Murphy, G. M., Urey, H. C., Kirshenbaum, I., Eds.; McGraw-Hill: New York, 1955; Part II, Chapter 7, pp 129-44.