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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Ethanol with Benzene and Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) Benzene; C6H6; [71-43-2]
NIST Chemistry WebBook
for detail
(3) Ethanol (ethyl alcohol); C2H6O; [64-17-5]
NIST Chemistry WebBook
for detail
Original Measurements:
Wehrmann, F., Z. Elektrochem. 27, 379 (1921).
Variables:
Temperature = 263 K - 303 K
Prepared By:
A. Skrzecz
Experimental Data:
(Notes on the Nomenclature)
Compositions along the saturation curve
t/°C
T/K
Mass Fraction w
1
(compiler)
Mass Fraction w
2
(compiler)
Mole Fraction x
1
(compiler)
Mole Fraction x
2
(compiler)
-10
263.2
0.3653
0.0048
0.1846
0.0014
-10
263.2
0.5403
0.0394
0.3298
0.0142
-10
263.2
0.5895
0.1051
0.4115
0.0433
-10
263.2
0.5955
0.2088
0.4885
0.1010
-10
263.2
0.3953
0.5481
0.4579
0.3745
0
273.2
0.0839
0.0029
0.0347
0.0007
0
273.2
0.2249
0.0035
0.1022
0.0009
0
273.2
0.3541
0.0087
0.1781
0.0026
0
273.2
0.4550
0.0247
0.2528
0.0081
0
273.2
0.5242
0.0459
0.3176
0.0164
0
273.2
0.5669
0.1295
0.3994
0.0538
0
273.2
0.5562
0.2582
0.4702
0.1287
0
273.2
0.3022
0.6534
0.3772
0.4810
0
273.2
0.0642
0.9355
0.1035
0.8871
10
283.2
0.3534
0.0135
0.1785
0.0040
10
283.2
0.5145
0.0534
0.3116
0.0191
10
283.2
0.5536
0.1490
0.3948
0.0627
10
283.2
0.5213
0.3053
0.4554
0.1573
10
283.2
0.2643
0.6973
0.3416
0.5314
20
293.2
0.0837
0.0032
0.0346
0.0008
20
293.2
0.2235
0.0089
0.1020
0.0024
20
293.2
0.4477
0.0356
0.2501
0.0117
20
293.2
0.5035
0.0725
0.3088
0.0262
20
293.2
0.5310
0.1858
0.3890
0.0803
20
293.2
0.4853
0.3489
0.4353
0.1845
20
293.2
0.2406
0.7210
0.3150
0.5567
20
293.2
0.0131
0.9864
0.0220
0.9760
30
303.2
0.1609
0.0083
0.0703
0.0021
30
303.2
0.3483
0.0251
0.1772
0.0075
30
303.2
0.4962
0.0866
0.3074
0.0316
30
303.2
0.5252
0.1939
0.3869
0.0842
30
303.2
0.4402
0.4086
0.4123
0.2257
30
303.2
0.2135
0.7552
0.2890
0.6027
Method/Apparatus/Procedure:
The titration method was used. Binary alcohol-water mixtures of known concentration and volume were put into Erlenmayer flasks, immersed in a constant temperature bath and then titrated with benzene until constant cloudiness was observed. Concentrations of alcohol-water mixtures were determined by density measurements. Results were reported in volume percentage.
Source and Purity of Materials:
(1) Source not specified; chemically pure grade; used as received; d(15°C)=0.8835.
(2) Source not specified.
(3) Source not specified.
Estimated Errors:
Solubility: Not reported.
Temperature: Concentration ±0.3% relative error.