IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Carbazole with n-Hexane
Components:
   (1) n-Hexane; C6H14; [110-54-3]  NIST Chemistry WebBook for detail
   (2) Carbazole; C12H9N; [86-74-8]  NIST Chemistry WebBook for detail
Original Measurements:
   Fung, H.L.; Higuchi, T., J. Pharm. Sci. 1987, 60, 1782-1788.

 Variables:
   Temperature = 298 K

 Prepared By:
   W. E. Acree, Jr.

 Experimental Data:   (Notes on the Nomenclature)
  
t/°CMole Fraction x1Mole Fraction x2
25.00.000170.9999
 Method/Apparatus/Procedure:
   Constant temperature bath, calorimetric thermometer, and an ultraviolet/visible spectrophotometer. Excess solute and solvent placed in amber glass bottles and allowed to equilibrate for 24 hours at constant temperature. Attainment of equilibrium verified by repetitive measurements.  Aliquots of saturated solutions transferred through a course filter into tared volumetric flasks, weighed and diluted with ether. Concentrations determined spectrophotometrically at 292.5 nm.

 Source and Purity of Materials:
   (1) Reagent Grade, source not specified recrystallized from aqueous-ethanol to give a melting point of 242-243 °C.
   (2) ACS Reagent Grade, source not specified, was used as received.

 Estimated Errors:
   Solubility: x1: ± 3 % (relative error, compiler).
   Temperature: T/K: ± 0.1 (compiler).

 References:
   1W.E. Acree, Jr.