SDS Volume (4946)

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 octanoic acid at (190 to 210)°C for 10 to 14 hrs; purified by recrystallization; FP = 105.9°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. Octanamide, $\ce{ C8H17NO }$; [629-01-6] NIST WebBook
Experimental Data

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

Solubility of octanamide (2) in nitroethane (1)
$T$ (°C) $T$ ($\pu{K}$) MR2 (g2/100 g1) 100w2 $x_{2}$
10.0283.2 1.0 1.05 x 10-3
16.8290.0 - 1.47 x 10-3
30.0303.2 2.1 2.10.011
32.7305.9 - 2.50.013
46.4319.6 - 5.60.030
50.0323.2 7.5 7.00.038
60.9334.1 - 14.10.079
70.0343.2 37.5 27.30.164
73.8347.0 - 34.50.216
79.1352.3 - 47.30.320
82.7355.9 - 56.60.406
86.8360.0 - 67.10.517
90.0363.2 307 75.40.617
92.7365.9 - 81.80.702
96.4369.6 - 89.10.811
99.1372.3 - 92.50.866
100.0373.2 1.6 x 103 94.10.894

(*) These data are extracted by compilers from the published graphs.

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