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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
2-Methylbutane with Water
Components:
(1) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
(2) 2-Methylbutane; C5H12; [78-78-4]
NIST Chemistry WebBook
for detail
Original Measurements:
McAuliffe, C., J. Phys. Chem. 1966, 70, 1267-75.
Variables:
Temperature = One temperature: 25 °C
Prepared By:
M.C. Haulait-Pirson
Experimental Remarks:
The solubility of 2-methylbutane in water at 25 °C was reported to be 47.8 mg (1)/kg sln, (0.0478 g(1)/100 g sln).
The corresponding mole fraction,
x
1
, calculated by the compiler, is 1.19 x 10
-5
.
The same value is also reported in refs 1 and 2.
Experimental Data:
(Notes on the Nomenclature)
Method/Apparatus/Procedure:
In a 250 mL glass bottle, 10-20 mL of (1) was vigorously shaken for 1 hr or magnetically stirred for 1 day, with 200 mL of (2) at 25 °C. In the case of shaking, the solution was allowed to stand for 2 days to permit separation of small (1) droplets. Absence of emulsion was checked microscopically. A 50 microliter sample of the (1) saturated water was withdrawn with a Hamilton Syringe and injected into the fractionator of the gas chromatograph. A hydrogen-flame ionization detector was used. Many details are given in the paper.
Source and Purity of Materials:
(1) Phillips Petroleum Co.; 99+%; used as received.
(2) distilled.
Estimated Errors:
Solubility: 1.6 mg (1)/kg sln (standard deviation of mean)
Temperature: ± 1.5 K
References:
1
McAuliffe, C. Nature (London) 1963, 200, 1092.
2
McAuliffe, C. Am. Chem. Soc. Div. Petrol. Chem. 1964, 9, 275.