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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
1-Octanol with Pentane (n-pentane) and Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) 1-Octanol (octyl alcohol, capryl alcohol); C8H18O; [111-87-5]
NIST Chemistry WebBook
for detail
(3) Pentane (n-pentane); C5H12; [109-66-0]
NIST Chemistry WebBook
for detail
Original Measurements:
Kiryukhin, A.M.; Lesteva, T.M.; Markuzin, N.P., Prom-st Sint. Kauch. 12, 12 (1981).
Variables:
Temperature = 293 K
Prepared By:
A. Skrzecz
Experimental Data:
(Notes on the Nomenclature)
Compositions of coexisting phases
t/°C
T/K
Mass Fraction w
1
Mass Fraction w
2
Mole Fraction x
1
(compiler)
Mole Fraction x
2
(compiler)
Comment(s)
25
293.2
0.000
0.999 934
0.000
0.999736
organic-rich phase
25
293.2
0.266
0.728
0.164
0.809
organic-rich phase
25
293.2
0.416
0.574
0.273
0.680
organic-rich phase
25
293.2
0.587
0.404
0.425
0.528
organic-rich phase
25
293.2
0.637
0.343
0.455
0.442
organic-rich phase
25
293.2
0.660
0.318
0.474
0.412
organic-rich phase
25
293.2
0.715
0.268
0.541
0.366
organic-rich phase
25
293.2
0.769
0.198
0.563
0.262
organic-rich phase
25
293.2
0.865
0.096
0.655
0.131
organic-rich phase
25
293.2
0.926
0.028
0.709
0.040
organic-rich phase
25
293.2
0.954
0.000
0.742
0.000
organic-rich phase
25
293.2
0.000 00
0.000 048
0.000 000 0
0.000 012 0
water-rich phase
25
293.2
0.000 08
0.000 045
0.000 011 1
0.000 011 2
water-rich phase
25
293.2
0.000 20
0.000 037
0.000 027 7
0.000 009 2
water-rich phase
25
293.2
0.000 25
0.000 029
0.000 034 6
0.000 007 2
water-rich phase
25
293.2
0.000 28
0.000 026
0.000 038 7
0.000 006 5
water-rich phase
25
293.2
0.000 28
0.000 025
0.000 038 7
0.000 006 2
water-rich phase
25
293.2
0.000 30
0.000 019
0.000 041 5
0.000 004 7
water-rich phase
25
293.2
0.000 35
0.000 017
0.000 048 4
0.000 004 2
water-rich phase
25
293.2
0.000 38
0.000 016
0.000 052 6
0.000 004 0
water-rich phase
25
293.2
0.000 41
0.000 016
0.000 056 7
0.000 004 0
water-rich phase
25
293.2
0.000 42
0.000 000
0.000 058 1
0.000 000 0
water-rich phase
Method/Apparatus/Procedure:
After separation both phases were analyzed. Concentration of organic components were determined by glc; water was determined by the Karl Fischer method. To determine hydrocarbon in the water-rich phase, samples were extracted by nonane.
Source and Purity of Materials:
(1) Source not specified; distilled, dried over zeolite; purity >99.9% mass.
(2) Source not specified; distilled; purity >99.9% mass.
(3) Source not specified.
Estimated Errors:
Solubility: Not reported.
Temperature: Not reported.