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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
1,3,5-Cycloheptatriene with Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) 1,3,5-Cycloheptatriene; C7H8; [544-25-2]
NIST Chemistry WebBook
for detail
Evaluator:
G.T. Hefter, School of Mathematical and Physical Sciences, Murdoch University, Perth, W.A., Australia. November 1984.
Critical Evaluation:
Quantitative solubility data for the system 1,3,5-cycloheptatriene (1) and water (2) have been reported in the publications listed in Table 1.
The original data in these publications are compiled in Data Sheets immediately following this Critical Evaluation. For convenience, further discussion of this system will be in two parts.
1. THE SOLUBILITY OF 1,3,5-CYCLOHEPTATRIENE (1) IN WATER (2)
Solubility values of (1) in (2) are listed in Table 2 and plotted in
Figure 1
. The data at 298 K are in reasonable agreement. However, it should be noted that the results of Pierotti and Liabastre (ref 2) are generally higher than “Recommended” values in well characterized systems (e.g. benzene in water). Their results at temperatures other than 298 K should be regarded with some caution.
2. THE SOLUBILITY 0F WATER (2) IN 1,3,5-CYCLOHEPTATRIENE (1)
The solubility of water in 1,3,5-cycloheptatriene has been reported only by Englin
et al.
(ref 1) and so no Critical Evaluation can be made. The interested user is referred to the appropriate Data Sheet for solubility values. However it should be noted that the data of Englin
et al.
are generally reliable at lower temperatures but are high when
T
> 300 K.
Experimental Data:
(Notes on the Nomenclature)
Table 1. Quantitative Solubility Studies of 1, 3, 5-Cycloheptatriene (1) in Water (2)
Author
T/K
Reference
Solubility
Method
Englin
et al.
293-323
1
(2) in (1)
analytical
McAuliffe
298
2
(1) in (2)
GLC
Pierotti and Liabastre
278-318
3
(1) in (2)
GLC
Table 2. Tentative Values for the Solubility of 1, 3, 5-Cycloheptatriene (1) in Water (2)
T/K
Reference
Sol. Power
Solubility
Sol. Note
Best Sol. Power
Best Solubility
Best Sol. Note
x
1
Power
x
1
x
1
Note
278
3
2
5.80* g(1)/100g sln
a
2
5.8 g(1)/100g sln
b
4
1.1
b
288
3
2
6.64* g(1)/100g sln
a
2
6.6 g(1)/100g sln
b
4
1.3
b
298
2, 3
2
6.20, 6.69* g(1)/100g sln
a
2
6.4 ± 0.2 g(1)/100g sln
b
4
1.25
b
308
3
2
7.40* g(1)/100g sln
a
2
7.4 g(1)/100g sln
b
4
1.4
b
318
3
2
7.63* g(1)/100g sln
a
2
7.6 g(1)/100g sln
b
4
1.5
b
View Figure 1 for this Evaluation
Notes:
Table 2
a
Values marked with an asterisk ( * ) obtained by the Evaluator by graphical intrapolation of original data.
Table 2
b
"Best" values obtained by averaging where appropriate; σ
n
has no statistical significance.
References: (Click a link to see its experimental data associated with the reference)
1
Englin, B.A.; Plate, A.F.; Tugolukov, V.M. Pryanishnikova, M.A., Khim. Tekhnol. Topl. Masel 1965, 10, 42-6.
2
McAuliffe, C., J. Phys. Chem. 1966, 70, 1267-75.
3
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.