Solubility System: Nitroethane with 2,2,4-Trimethylpentane (Original Report)

Temperature: 298 K - 303 K
Experimental Remarks:
The mutual solubility of nitromethane (1) and 2,2,4-trimethytlpentane (2) in mass fractions were reported over the temperature range in graphical form. The compilers extracted the data presented in this table from the published graphs.
Experimental Data:
Table 1
T (°C)T (K)w1 x1
25.0298.222.0 x 10-20.3
29.5302.726.4 x 10-20.353
29.7302.937.9 x 10-20.482
29.8303.038.8 x 10-20.491
Table 2
T (°C)T (K)w1 x1
25.0298.268.9 x 10-20.771
28.2301.460.4 x 10-20.699
29.7302.943.3 x 10-20.538
29.8303.038.8 x 10-20.491 (UCST)

The synthetic method was used. The solutions of known composition were heated above the critical solution temperature and placed in a bath, which was cooled at the rate of 0.01 K per minute. The solutions were agitated and the temperature at which phase separation occurred was observed.

Source and Purity of Materials:

(1) Matheson, Chemical Co; research grade; distilled through a Todd column; b. p. = 114.7 to 114.8°C.
(2) Phillips Petroleum Co.; 99 mole% purity; p(25°C) = 687.74 g L-1.

Estimated Errors

Temperature: control to ±0.02 K
Solubility: 1%


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