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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
1-Butanol with Mesitylene (1,3,5-Trimethylbenzene) and Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) 1-Butanol (n-butanol, butyl alcohol, n-butyl alcohol); C4H10O; [71-36-3]
NIST Chemistry WebBook
for detail
(3) Mesitylene (1,3,5-trimethylbenzene); C9H12; [108-67-8]
NIST Chemistry WebBook
for detail
Original Measurements:
Letcher, T.M.; Siswana, P.M., Fluid Phase Equilib. 74, 203 (1992).
Variables:
Temperature = 298 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
Mole Fraction x
2
25.0
298.2
0.000
0.000
0.000
0.000
25.0
298.2
0.074
0.000
0.019
0.000
25.0
298.2
0.797
0.000
0.488
0.000
25.0
298.2
0.796
0.005
0.493
0.002
25.0
298.2
0.767
0.080
0.530
0.034
25.0
298.2
0.708
0.175
0.546
0.083
25.0
298.2
0.637
0.273
0.541
0.143
25.0
298.2
0.477
0.477
0.496
0.306
25.0
298.2
0.386
0.580
0.436
0.404
25.0
298.2
0.294
0.685
0.365
0.525
25.0
298.2
0.198
0.791
0.269
0.664
25.0
298.2
0.099
0.894
0.146
0.814
25.0
298.2
0.050
0.947
0.077
0.902
25.0
298.2
0.000
0.9998
0.000
0.999
Compositions of coexisting phases
t/°C
T/K
Mass Fraction w
1
(compiler)
Mass Fraction w
2
(compiler)
Mole Fraction x
1
Mole Fraction x
2
Comment(s)
25.0
298.2
0.000
0.9998
0.000
0.999
organic-rich phase
25.0
298.2
0.290
0.689
0.361
0.530
organic-rich phase
25.0
298.2
0.468
0.487
0.491
0.315
organic-rich phase
25.0
298.2
0.725
0.151
0.545
0.070
organic-rich phase
25.0
298.2
0.797
0.000
0.488
0.000
organic-rich phase
25.0
298.2
0.000
0.000
0.000
0.000
water-rich phase
25.0
298.2
0.028
0.000
0.007
0.000
water-rich phase
25.0
298.2
0.040
0.000
0.010
0.000
water-rich phase
25.0
298.2
0.059
0.000
0.015
0.000
water-rich phase
25.0
298.2
0.074
0.000
0.019
0.000
water-rich phase
Method/Apparatus/Procedure:
The points on the binodal curve were determined by the formation of a cloudy mixture on shaking after the addition of a known mass of one component to a mixture of known masses of the other two components. Precision weighing syringes were used as described by the refractive index method reported in Ref. 2 and a complementary method using the Karl Fischer titrations as reported in Ref. 3.
Source and Purity of Materials:
(1) Merck, AR grade; distilled, dried by the addition of anhydrous potassium carbonate, distilled; purity better than 99.6 mole % by glc.
(2) BDH; used as received; purity better than 99.6 mole % by glc.
(3) Source not specified.
Estimated Errors:
Solubility: Not reported.
Temperature: Estimated comp. 0.005 mole fraction on the binodal curve and 0.01 mole fraction for tie lines (estimated by the authors).
References:
1
T. M. Letcher, S. Wootten, B. Shuttleworth, and C. Heward, J. Chem. Thermodyn. 18, 1037 (1986).
2
S. W. Briggs and E. W. Comings, Ind. Eng. Chem. 35, 411 (1943).
3
T. M. Letcher, P. M. Siswana, P. Van der Watt, and S. Radloff, J. Chem. Thermodyn. 21, 1053 (1989).