SDS Volume (4979)

Volume 77. Nitroalkanes with Water or Organic Solvents: Binary and Multicomponent Systems, p None

Original Measurements

Ralston, A. W.; Hoerr, C. W.; Pool, W. O.; J. Org. Chem. 8, 473-88 (1943).

Variables:

Room Temp: 283 - 373 $\pu{K}$

Prepared by:

N.I. Lisov, N.V. Sazonov, V.P. Sazonov

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 Ralston [2].

Source and Purity of Materials:
  1. Source not specified; best grade reagent; dried and twice distilled.
  2. Prepared by passing of ammonia through the dodecanoic acid at 190°C - 210°C for 10 to 14 hrs; purified by recrystallization; FP = 102.4°C.
Estimated Errors:

Ambient 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).

Components:
  1. Nitroethane, $\ce{ C2H5NO2 }$; [79-24-3] NIST WebBook
  2. Dodecanamide, $\ce{ C12H25NO }$; [1120-16-7] NIST WebBook
Experimental Data

The solubilities of dodecanamide (2) in nitroethane (1) in mass percent over the temperature range were presented in graphical form and in a table.

Solubility of dodecanamide (2) in nitroethane (1)
$T$ (°C) $T$ ($\pu{K}$) MR2 (g2/100 g1) 100w2 $x_{2}$
10.0283.2 0.8 8 x 10-33 x 10-3
30.0303.2 1.1 0.0114 x 10-3
45.5318.7 - 0.0290.011
50.0323.2 3.9 0.0380.015
64.4337.6 - 0.1090.044
70.0343.2 24.2 0.1950.084
70.9344.1 - 0.2110.092
74.1347.3 - 0.2820.129
77.6350.8 - 0.3940.197
82.9356.1 - 0.5850.347
89.4362.6 - 0.8090.615
90.0363.2 495 0.8320.651
93.9367.1 - 0.9090.790
100.0373.2 5.1 x 103 0.9810.951

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

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