ABSTRACT

Using a laser monitoring observation technique, the solubilities of benzoic acid, p-methylbenzoic acid, m-methylbenzoic acid, o-methylbenzoic acid, p-hydroxybenzoic acid, and o-nitrobenzoic acid in 1-octanol were measured by the polythermal method in the temperature range of (293.15 to 323.15) K. The experimental data were regressed with the Wilson equation and the eH equation. The experimental results showed that the solubility of the six chemicals in 1-octanol increased significantly with temperature. The results indicate that the molecular structure and interactions affect the solubility significantly. Both the Wilson equation and the eH equation correlate the experimental data well.

Compounds

#	Formula	Name
1	C8H18O	octan-1-ol
2	C7H6O2	benzoic acid
3	C8H8O2	4-methylbenzoic acid
4	C8H8O2	3-methylbenzoic acid
5	C8H8O2	2-methylbenzoic acid
6	C7H6O3	4-hydroxybenzoic acid
7	C7H5NO4	2-nitrobenzoic acid

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	2 1	Solid-liquid equilibrium temperature, K ; Liquid	Mole fraction - 2; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 2	laser monitoring	13
POMD	3 1	Solid-liquid equilibrium temperature, K ; Liquid	Mole fraction - 3; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 3	laser monitoring	15
POMD	4 1	Solid-liquid equilibrium temperature, K ; Liquid	Mole fraction - 4; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 4	laser monitoring	13
POMD	1 5	Solid-liquid equilibrium temperature, K ; Liquid	Mole fraction - 5; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 5	laser monitoring	17
POMD	6 1	Solid-liquid equilibrium temperature, K ; Liquid	Mole fraction - 6; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 6	laser monitoring	16
POMD	1 7	Solid-liquid equilibrium temperature, K ; Liquid	Mole fraction - 7; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 7	laser monitoring	17

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Solubilities of Benzoic Acid, p-Methylbenzoic Acid, m-Methylbenzoic Acid, o-Methylbenzoic Acid, p-Hydroxybenzoic Acid, and o-Nitrobenzoic Acid in 1-Octanol

Qingzhu, J.[Jia], Peisheng, M.[Ma], Shouzhi, Y.[Yi], Qiang, W.[Wang], Chang, W.[Wang], Guiju, L.[Li]

ABSTRACT