SDS Volume

Volume 78. Acetonitrile Binary Systems, p 1105

Source Publication

Hoerr, C. W.; Binkerd, E. F.; Pool, W. O.; Ralston, A. W.; J. Org. Chem. 9, 68-80 (1944).

Conditions:

Room Temp: 233 - 286 $\pu{K}$

Compilers:

N.V. Sazonov, V.P. Sazonov

Methodology:

The synthetic method was used. Solution temperatures were determined by cooling 3-5 g portions of solution in 1 cm x 15 cm test tubes, which were placed in an air-bath. The latter was immersed in an acetone-bath, which was cooled with solid carbon dioxide. Temperature within the samples was measured by means of a potentiometer with an iron-constantan thermocouple. As the nitrile crystallized from solution upon cooling, the temperature of the air-bath was raised gradually until the mixtures redissolved.

Sample Information:
  1. Source not specified; best grade reagent; dried and twice distilled.
  2. Prepared by passing tetradecanoic acid over aluminium oxide in the presence of ammonia at 673°C; dried and purified by vacuum distillation in a Stedman packed column; FP = 19.25°C.
Measurement Errors:

Ambient temperature: ±0.4 K (below 248 K), ±0.2 K (above 248 K).

System Components:
  1. Acetonitrile, $\ce{ C2H3N }$; [75-05-8] NIST WebBook
  2. Tetradecanenitrile, $\ce{ C14H27N }$; [629-63-0] NIST WebBook
Experimental Data

The solubilities of tetradecanenitrile (2) in acetonitrile (1) in mass percent over the indicated temperature range were reported in graphical form and in a table.

$T$ (°C) $T$ ($\pu{K}$) MR2 (g1/100 g2) 100w2 $x_{2}$
-40.0233.2 0.1 1 x 10-32 x 10-4
-20.0253.2 1.1 0.0112 x 10-3
-9.1*264.1 - 0.0275 x 10-3
-3.2*270.0 - 0.0570.012
0.0273.2 9.6 0.0880.019
2.5*275.7 - 0.1270.028
4.5*277.7 - 0.2500.061
6.4*279.6 - 0.4000.116
7.3*280.5 - 0.4730.150
8.9*282.1 - 0.6550.271
10.0283.2 258 0.7210.336
10.9*284.1 - 0.7840.416
12.7*285.9 - 0.8550.536

(*) The compiler extracted these data from the published graphs.

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