SDS Volume

Volume 78. Acetonitrile Binary Systems, p 1073

Source Publication

Garland, F. M.; Hoerr, C. W.; Pool, W. O.; Ralston, A. W.; J. Org. Chem. 8, 344-57 (1943).

Conditions:

Room Temp: 303 - 355 $\pu{K}$

Compiler:

V.P. Sazonov

Methodology:

The synthetic method was used. The solubilities of (2) in (1) were determined in sealed tubes by the method and apparatus described elsewhere [1,2].

Sample Information:
  1. Source not specified; best grade reagent; dried and twice distilled.
  2. Obtained from the ketoesters by hydrolyzing with 5% alcoholic potassium hydroxide; purified by several crystallizations from ethanol; FP = 77.2°C.
Measurement Errors:

Ambient temperature: ±0.2 K.

Methodology Citations

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).

System Components:
  1. Acetonitrile, $\ce{ C2H3N }$; [75-05-8] NIST WebBook
  2. 14-Heptacosanone, $\ce{ C27H54O }$; [542-50-7] NIST WebBook
Experimental Data

The solubilities of 14-heptacosanone (2) in acetonitrile (1) in mass percent including the region of immisciblity over the indicated temperature range were reported in graphical form and in a table. Monotectic equilibrium is realized at 71.8°C (345.0 K, compiler). The upper critical solution temperature was reported to be above 82°C.

$T$ (°C) $T$ ($\pu{K}$) MR2 (g1/100 g2) 100w2 $x_{2}$
30.0303.2 0.1 ≈0.11 x 10-4
50.0323.2 0.2 2 x 10-3a2 x 10-4
55.6c328.8 - 3 x 10-3a3 x 10-4
62.1c335.3 - 0.010a1 x 10-3
68.2c341.4 - 0.027a3 x 10-3
70.0343.2 4.1 0.039a4 x 10-3
70.9c344.1 - 0.045a5 x 10-3
72.0c345.2 - 0.859b0.388
72.2c345.4 - 0.882a0.437
72.5c345.7 - 0.918a0.538
74.5c347.7 - 0.964a0.736
77.3c350.5 - 0.064b7 x 10-3
77.3c350.5 - 0.848b0.367
82.0355.2 8.1 0.075b8 x 10-3
82.0c355.2 - 0.836b0.347

(a) Solid-liquid equilibrium.

(b) Liquid-liquid equilibrium.

(c) Data extracted from the published graphs by the compiler.

(d) These values were calculated by the compiler.

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