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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
1,4-Cyclohexadiene with Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) 1,4-Cyclohexadiene; C6H8; [628-41-1]
NIST Chemistry WebBook
for detail
Evaluator:
G.T. Hefter, School of Mathematical and Physical Sciences, Murdoch University, Perth, Western Australia. November 1984.
Critical Evaluation:
Quantitative data for the solubility of 1,4-cyclohexadiene (1) in water (2) have been reported in the publications listed in Table 1.
The original data in these publications are compiled in the Data Sheets immediately following this Critical Evaluation. No data appear to have been reported for the solubility of water in 1,4 cyclohexadiene.
The solubility values of (1) in (2) are listed in Table 2. The data are in poor agreement, with those of Pierotti and Liabastre (ref 2) being approximately 20% (relative) higher than those of McAuliffe (ref 1). This situation is typical for a large number of hydrocarbon-water systems investigated by these authors and is discussed in greater detail in the Critical Evaluation of the cylclopentane-water system. In general the values of McAuliffe are much closer to accepted values (in well-characterized systems) than those of Pierotti and Liabastre. However, in the absence of confirmatory studies, the data of Pierotti and Liabastre are not rejected although they should probably be regarded only as order-of-magnitude values. The datum of McAulliffe may be considered as “Tentative”.
Experimental Data:
(Notes on the Nomenclature)
Table 1. Quantitative Solubility Studies of 1, 4-Cyclohexane (1) in Water (2)
Author
T/K
Reference
Method
McAuliffe
298
1
GLC
Pierotti and Liabastre
278-318
2
GLC
Table 2. Solubility Values of 1, 4-Cyclohexadine (1) in Water (2)
T/K
Reference
Solubility
Sol. Note
Best Solubility
Best Sol. Note
x
1
Power
x
1
x
1
Note
278
2
0.085* g(1)/100g sln
a
0.09 g(1)/100g sln
b
4
1.9
b
288
2
0.094* g(1)/100g sln
a
0.09 g(1)/100g sln
b
4
2.1
b
298
1, 2
0.070, 0.093* g(1)/100g sln
a
0.08 ± 0.01
b
g(1)/100g sln
b
4
2.1
b
308
2
0.09* g(1)/100g sln
a
0.1 g(1)/100g sln
b
4
2.2
b
318
2
0.101 g(1)/100g sln
a
0.1 g(1)/100g sln
b
4
2.3
b
Notes:
Table 2
a
Values marked with asterisk ( * ) obtained by Evaluator by graphical interpolation of original measurements.
Table 2
b
See comments in text regarding reliability of "Best" values; σ
n
has no statistical significance.
References: (Click a link to see its experimental data associated with the reference)
1
McAuliffe, C., J. Phys. Chem. 1966, 70, 1267-75.
2
Pierotti, R.A.; Liabastre, A.A., "Structure and properties of water solutions." U.S. Nat. Tech. Inform. Serv., PB Rep., 1972, No. 21163, 113 p.