IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Benzene with Water

Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) Benzene; C6H6; [71-43-2]  NIST Chemistry WebBook for detail

Original Measurements:
   Rebert, C.J.; Kay, W.B., A. I. Ch. E. J. 1959, 5, 285-9.

Variables:
   Temperature = 282.8-306.4 °C
   Pressure = 11.51-15.87 Mpa

Prepared By:
   A. Maczynski, Z. Maczynska, and A. Szafranski

Experimental Data:   (Notes on the Nomenclature)

Solubility of benzene in water
t/°C	Pressure [psia]	Pressure (compiler) [MPa]	g₁/100 g solution	Mole Fraction x₁ (compiler)
287.5	1763	12.16	11.7	0.030
301.7	2118	14.60	22	0.061
306.4	2301	15.86	35.1	0.111
306.4*	2302	15.87	41	0.138

Solubility of water in benzene
t/°C	Pressure [psia]	Pressure (compiler) [MPa]	g₂/100 g solution	Mole Fraction x₂ (compiler)
282.8	1670	11.51	29.9	0.649
297.5	1992	13.73	31.6	0.667
306	2302	15.87	50.9	0.818
306.4*	2302	15.87	59	0.862

Notes:
   Table 1  ^*  upper critical solution temperature

Method/Apparatus/Procedure:
   The apparatus employed was a modification of that described in refs 1 and 2 for P-T-x studies.
A schematic diagram and construction details amply reported.

Source and Purity of Materials:
   (1) source not specified, reagent grade; dried over P₂O₅ and distilled; purity not specified.
   (2) freshly prepared, conductivity grade.

Estimated Errors:
   Solubility: ± 0.05 K
   Temperature: ± 0.022 wt. Fraction
   Pressure: ± 1 lb/sq.in.

References:
   ¹Young, S. Stoichiometry Longmans, Green, New York, 1918, p. 122.
   ²Kay, W.B. Ind. Eng. Chem. 1938, 30, 450.