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

Solubility of Gallic Acid in Methanol, Ethanol, Water, and Ethyl Acetate

Daneshfar, A.[Ali], Ghaziaskar, H. S.[Hassan S.], Homayoun, N.[Nasrolah]
J. Chem. Eng. Data 2008, 53, 3, 776-778
ABSTRACT
The solubility of gallic acid in methanol, ethanol, water, and ethyl acetate was measured at a temperature range of (298.2 to 333.2) K. The gallic acid solubility in different solvents increases smoothly with temperature. The relative solubility of gallic acid in the solvents was found as: wmethanol greater than wethanol greater than wwater greater than wethyl acetate. The temperature dependence of the solubility data was correlated by the modified Apelblat model. The calculated solubilities show good agreement with the experimental data in the temperature range studied.
Compounds
# Formula Name
1 C7H6O5 3,4,5-trihydroxybenzoic acid
2 CH4O methanol
3 C2H6O ethanol
4 H2O water
5 C4H8O2 ethyl acetate
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
  • Mass fraction - 1 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 1
  • UV/vis spectrophotometry
  • 8
  • POMD
  • 3
  • 1
  • Mass fraction - 1 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 1
  • UV/vis spectrophotometry
  • 8
  • POMD
  • 1
  • 4
  • Mass fraction - 1 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 1
  • UV/vis spectrophotometry
  • 8
  • POMD
  • 5
  • 1
  • Mass fraction - 1 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 1
  • UV Spectra
  • 8