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Solubility System: Nitroethane with N-Phenyldodecanamide (Original Report)

Variables:
Temperature: 283 K - 344 K
Experimental Remarks:
The solubilities of N-phenyldodecanamide (2) in nitroethane (1) in mass percent over the temperature range were presented in graphical form and in a table.
Experimental Data:
T (°C)T (K)s2 w2 x2
10.0283.2 6.0 x 102 5.7 x 1020.016
13.8*287.0- 5.9 x 1020.017
30.0303.2 8.5 x 102 7.8 x 1020.023
31.0*304.2- 8.2 x 1020.024
45.9*319.1-14.0 x 1020.042
50.0323.2 22.3 x 10218.2 x 1020.057
53.6*326.8-26.6 x 1020.09
58.4*331.6-50.0 x 1020.214
64.5*337.7-74.1 x 1020.438
70.0343.2720 x 10287.8 x 1020.662
70.3*343.5-88.2 x 1020.671

*) The compilers extracted these data from the published graphs.

Method/Apparatus/Procedure:

The synthetic method was used. The solubilities of (2) in (1) were determined in sealed tubes by the method and apparatus described in Ralston et al.1 and Hoerr and Raltston.2

Source and Purity of Materials:

(1) Source not specified; best grade reagent; dried and twice distilled.
(2) Obtained by heating of dodecanoic acid with redistilled aniline at (150 to 170)°C for 2 to 3 hours; purified by recrystallization; f. p. = 77.2°C.

Estimated Errors

Temperature: control to ±0.2 K

References:

(1) Ralston, A. W. ; Hoerr, C. W. ; Hoffman, E. J. , J. Am. Chem. Soc. 64, 1516 (1942).
(2) Hoerr, C. W. ; Ralston, A. W. , J. Am. Chem. Soc. 64, 2824 (1942).

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