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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
1-Octanol with Hexane (n-hexane) 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) Hexane (n-hexane); C6H14; [110-54-3]
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 - 313 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
0.999 952
0.000
0.999 770
organic-rich phase
25
293.2
0.298
0.696
0.214
0.755
organic-rich phase
25
293.2
0.363
0.629
0.265
0.693
organic-rich phase
25
293.2
0.444
0.543
0.327
0.604
organic-rich phase
25
293.2
0.521
0.462
0.388
0.520
organic-rich phase
25
293.2
0.575
0.406
0.434
0.463
organic-rich phase
25
293.2
0.608
0.373
0.464
0.431
organic-rich phase
25
293.2
0.696
0.279
0.536
0.325
organic-rich phase
25
293.2
0.771
0.199
0.598
0.233
organic-rich phase
25
293.2
0.848
0.116
0.661
0.137
organic-rich phase
25
293.2
0.954
0.000
0.742
0.000
organic-rich phase
25
293.2
0.000 00
0.000 034
0.000 000 0
0.000 007 1
water-rich phase
25
293.2
0.000 07
0.000 032
0.000 009 7
0.000 006 7
water-rich phase
25
293.2
0.000 13
0.000 030
0.000 018 0
0.000 006 3
water-rich phase
25
293.2
0.000 16
0.000 027
0.000 022 1
0.000 005 6
water-rich phase
25
293.2
0.000 19
0.000 024
0.000 026 3
0.000 005 0
water-rich phase
25
293.2
0.000 21
0.000 020
0.000 029 1
0.000 004 2
water-rich phase
25
293.2
0.000 23
0.000 015
0.000 031 8
0.000 003 1
water-rich phase
25
293.2
0.000 28
0.000 017
0.000 038 7
0.000 003 6
water-rich phase
25
293.2
0.000 30
0.000 010
0.000 041 5
0.000 002 1
water-rich phase
25
293.2
0.000 35
0.000 008
0.000 048 4
0.000 001 7
water-rich phase
25
293.2
0.000 42
0.000 000
0.000 058 1
0.000 000 0
water-rich phase
40
313.2
0.000
0.9999
0.000
0.9995
organic-rich phase
40
313.2
0.000 00
0.000 051
0.000 000 0
0.000 010 7
water-rich phase
40
313.2
0.374
0.616
0.272
0.676
organic-rich phase
40
313.2
0.000 12
0.000 037
0.000 016 6
0.000 007 7
water-rich phase
40
313.2
0.482
0.503
0.357
0.563
organic-rich phase
40
313.2
0.000 21
0.000 028
0.000 029 1
0.000 005 9
water-rich phase
40
313.2
0.526
0.458
0.394
0.519
organic-rich phase
40
313.2
0.000 22
0.000 025
0.000 030 4
0.000 005 2
water-rich phase
40
313.2
0.608
0.373
0.464
0.431
organic-rich phase
40
313.2
0.000 27
0.000 020
0.000 037 4
0.000 004 2
water-rich phase
40
313.2
0.624
0.352
0.469
0.400
organic-rich phase
40
313.2
0.000 28
0.000 018
0.000 038 7
0.000 003 8
water-rich phase
40
313.2
0.703
0.273
0.545
0.320
organic-rich phase
40
313.2
0.000 30
0.000 015
0.000 041 5
0.000 003 1
water-rich phase
40
313.2
0.740
0.234
0.577
0.276
organic-rich phase
40
313.2
0.000 32
0.000 010
0.000 044 3
0.000 002 1
water-rich phase
40
313.2
0.866
0.096
0.674
0.113
organic-rich phase
40
313.2
0.000 40
0.000 004
0.000 055 4
0.000 000 8
water-rich phase
40
313.2
0.952
0.000
0.733
0.000
organic-rich phase
40
313.2
0.000 48
0.000 000
0.000 066 4
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.