IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Acetonitrile with N,N-Diphenyldodecanamide

Components:
   (1) Acetonitrile; C2H3N; [75-05-8]  NIST Chemistry WebBook for detail
   (2) N,N-Diphenyldodecanamide; C24H33NO; []  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 323 K

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

Experimental Remarks:

   The solubilities of N,N-diphenyldodecanamide (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,N-diphenyldodecanamide (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	12.6	11.2	0.015
15.9*	289.1	-	14.3	0.019
25.9*	299.1	-	30.4	0.049
30.0	303.2	75.0	42.9	0.081
36.4*	309.6	-	59.1	0.144
47.3*	320.5	-	85.5	0.408
50.0	323.2	1075	91.5	0.557

Notes:
   ^*  These data were extracted by the compilers 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 heating the dodecanoyl chloride with diphenylamine for 2 hours to 4 hours at 135 °C to 145 °C; purified by recrystallization; freezing point = 57 °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).