IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Acetonitrile with Tetradecanamine

Components:
   (1) Acetonitrile; C2H3N; [75-05-8]  NIST Chemistry WebBook for detail
   (2) Tetradecanamide; C14H29NO; [638-58-4]  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 tetradecanamide (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 tetradecanamide (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	0.0004
30.0	303.2	0.6	0.6	0.001
35.0*	308.2	-	0.9	0.002
50.0	323.2	1.1	1.1	0.002
60.0	333.2	2.9	2.8	0.005
60.9*	334.1	-	3.0	0.006
70.0	343.2	7.8	7.2	0.014
73.4*	346.6	-	10.2	0.020
81.8*	355.0	-	30.0	0.072
82.0	355.2	43.3	30.2	0.072

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 passing of ammonia through tetradecanoic acid at 190 °C to 210 °C for 10 hours to 14 hours; purified by recrystallization; freezing point = 105.1 °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).