IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

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 Solubility System: Thianthrene with Phenoxanthiin

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Components:
   (1) Phenoxanthiin; C12H8OS; [262-20-4]  NIST Chemistry WebBook for detail
   (2) Thianthrene; C12H8S2; [92-85-3]  NIST Chemistry WebBook for detail

Original Measurements:
   Cullinane, N.M.; Rees, W.T., Trans. Faraday Soc. 1940, 36, 506-514.

Variables:
   Temperature = Temperature

Prepared By:
   W.E. Acree, Jr.

Experimental Data:   (Notes on the Nomenclature)
  

T/K	Mole Fraction x1	Mole Fraction x2
328.9	0.000	1.000
328.3	0.046	0.954
326.1	0.070	0.930
337.2	0.100	0.900
357.4	0.189	0.811
378.7	0.308	0.692
399.5	0.513	0.487
415.3	0.699	0.301
426.8	0.900	0.100
429.9	1.000	0.000

Method/Apparatus/Procedure:
   Mixtures were placed in small capillary tubes. Temperature was slowly varied with ample time given for equilibration. Transition temperatures determined by visual observations. Reported temperatures verified by repetitive measurements.

Source and Purity of Materials:
   (1) Purity and chemical source not specified, was purified by sublimation and recrystallized from acetone.
   (2) Synthesized by authors, was purified by sublimation and recrystallized from alcohol.

Estimated Errors:

   Temperature: T/K: ± precision 0.2 (compiler). x₁: ± 0.002 (compiler).

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Last updated: February 18, 2015 (Created: August 17, 2007)