SDS Volume

Volume 78. Acetonitrile Binary Systems, p 1065

Source Publication

Hoerr, C. W.; Harwood, H. J.; Ralston, A. W.; J. Org. Chem. 9, 267-80 (1944).

Conditions:

Room Temp: 273 - 309 $\pu{K}$

Compilers:

N.V. Sazonov, V.P. Sazonov

Methodology:

The solubility measurements were made with the equipment and in the manner described elsewhere [1,2].

Sample Information:
  1. Source not specified; purity not specified.
  2. Source not specified; commercial product; purified by vacuum distillation in a Stedman packed column; FP = 23.95°C.
Measurement Errors:

Ambient temperature: Not specified.
Mass concentration (m/v) (1): Not specified.

Methodology Citations

1 Hoerr, C. W.; Binkerd, E. F.; Pool, W. O.; Ralston, A. W.; J. Org. Chem. 9, 68-80 (1944).
2 Ralston, A. W.; Hoerr, C. W.; Pool, W. O.; Harwood, H. J.; J. Org. Chem. 9, 102-112 (1944).

System Components:
  1. Acetonitrile, $\ce{ C2H3N }$; [75-05-8] NIST WebBook
  2. 1-Dodecanol, $\ce{ C12H26O }$; [112-53-8] NIST WebBook
Experimental Data

The solubilities of acetonitrile (1) and 1-dodecanol (2) in mass percent including the region of immisciblity over the indicated temperature range were reported in graphical and tabular form. Monotectic equilibrium occurs at 20.0°C (293.2 K, compilers). The upper critical solution temperature was extracted from the reported graphs by the compilers and found to be 35.7°C (308.9 K).

$T$ (°C) $T$ ($\pu{K}$) w1 MR2 (g1/100 g2) $x_{1}$
0.0273.2 -1.0 -
0.2c273.4 -- -
6.2c279.4 -- -
10.0283.2 -3.9 -
12.8c286.0 -- -
15.5c288.7 -- -
19.0c292.2 -- -
20.0293.2 -16.7 -
20.2c293.4 10.5a- 0.348
21.5c294.7 5.0a- 0.193
24.1c297.3 15.5b- 0.454
24.8c298.0 -- -
30.0303.2 -29.9 -
30.5c303.7 24.3b- 0.593
31.5c304.7 -- -
34.2c307.4 -- -
34.4c307.6 35.6b- 0.715
35.5c308.7 -- -
35.6c308.8 47.0b- 0.801
0.0273.2 99.0a1.0 0.998
0.2c273.4 98.9a- 0.998
6.2c279.4 97.8a- 0.995
10.0283.2 96.2a3.9 0.991
12.8c286.0 94.5a- 0.987
15.5c288.7 92.7a- 0.983
19.0c292.2 88.6a- 0.972
20.0293.2 85.7a16.7 0.965
20.2c293.4 -- -
21.5c294.7 -- -
24.1c297.3 -- -
24.8c298.0 83.4b- 0.958
30.0303.2 76.9b29.9 0.938
30.5c303.7 -- -
31.5c304.7 73.9b- 0.928
34.2c307.4 65.0b- 0.894
34.4c307.6 -- -
35.5c308.7 53.8b- 0.841
35.6c308.8 -- -

(a) Solid-liquid equilibrium.

(b) Liquid-liquid equilibrium.

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

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