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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Phenoxanthiin with Phenoxazine
Components:
(1) Phenoxanthiin; C12H8OS; [262-20-4]
NIST Chemistry WebBook
for detail
(2) Phenoxazine; C12H8NO; [135-67-1]
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 x
1
Mole Fraction x
2
429.9
0.000
1.000
427.0
0.057
0.943
415.9
0.211
0.789
388.4
0.508
0.492
349.8
0.711
0.229
338.3
0.834
0.166
324.4
0.898
0.102
327.2
0.933
0.067
328.5
0.974
0.026
328.9
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) Synthesized by authors, and was purified by recrystallization from alcohol and sublimation.
(2) Synthesized by authors, and was purified by sublimation and recrystallized from alcohol.
Estimated Errors:
Temperature: T/K: ± precision 0.2 (compiler). x
1
: ± 0.002 (compiler).