IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Acetonitrile with N-Phenyloctadecanamide

Components:
   (1) Acetonitrile; C2H3N; [75-05-8]  NIST Chemistry WebBook for detail
   (2) N-Phenyloctadecanamide; C24H41NO; [637-54-7]  NIST Chemistry WebBook for detail

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

Variables:
   Temperature = 283 K to 355 K

Prepared By:
   Valerii P. Sazonov and Nikolai V. Sazonov

Experimental Remarks:

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

Experimental Data:   (Notes on the Nomenclature)

Solubility of N-phenyloctadecanamide (2) in acetonitrile (1)
t/°C	T/K	g₂/100 g solution	10² * Mass Fraction w₂ (compiler)	Mole Fraction x₂ (compiler)
10.0	283.2	0.2	0.2	0.0002
30.0	303.2	0.5	0.5	0.0006
50.0	323.2	1.4	1.4	0.0016
52.9*	326.1	-	1.8	0.002
60.0	333.2	3.3	3.2	0.004
66.2*	339.4	-	6.8	0.008
70.0	343.2	13.8	12.1	0.016
70.4*	343.6	-	13.0	0.017
73.5*	346.7	-	23.0	0.033
75.0*	348.2	-	40.9	0.073
77.5*	350.7	-	67.5	0.192
78.6*	351.8	-	73.2	0.238
82.0	355.2	480	82.8	0.355

Notes:
   ^*  The compiler extracted these data from the published graphs.

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 elsewhere.^1,2

Source and Purity of Materials:
   (1) Source not specified; best grade reagent; dried and twice distilled.
   (2) Prepared by addition of aniline to stearoyl chloride at 50 °C; purified by recrystallization; freezing point = 94.9 °C.

Estimated Errors:

   Temperature: ± 0.2 K.

References:
   1. A. W. Ralston, C. W. Hoerr, and E. J. Hoffman, J. Am. Chem. Soc. 64, 1516 (1942).
   2. C. W. Hoerr and A. W. Ralston, J. Am. Chem. Soc. 64, 2824 (1942).