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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Benzene with Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) Benzene; C6H6; [71-43-2]
NIST Chemistry WebBook
for detail
Original Measurements:
Burd, S.D. Jr.; Braun, W.G., Proc. Div. Refining., Am. Petrol. Inst. 1968, 48, 464-76.
Variables:
Temperature = 359-473 K
Pressure = Pressure: 0.17-2.76 MPa
Prepared By:
A. Maczynski
Experimental Data:
(Notes on the Nomenclature)
Solubility of water in benzene
T/K
Pressure [psia]
Pressure (compiler) [MPa]
g
2
/100 g solution
Mole Fraction x
2
(compiler)
359
25
0.17
0.33
0.014
385
50
0.34
0.63
0.027
413
100
0.69
1.08
0.045
434
150
1.03
1.54
0.064
443
200
1.38
1.75
0.072
453
250
1.72
2.08
0.084
461
300
2.07
2.25
0.091
469
350
2.41
2.60
0.104
473
400
2.76
2.80
0.111
Method/Apparatus/Procedure:
The measurements were carried out in the autoclave for vapor-liquid equilibrium determination. The solubility points were obtained by incremental addition of (2) followed by stirring, settling, sampling and analysis. This procedure was continued until addition of water resulted in no pressure increase, indicating three-phase conditions. The samples were analyzed by glc.
Source and Purity of Materials:
(1) Phillips Petroleum Co.; 99.0% by glc; used as received.
(2) distilled
Estimated Errors:
Solubility: ± 0.004 g(2)/100 g sln.
Temperature: ± 0.5° F.