Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Solubility of salicylic acid in pure alcohols at different temperatures

Lim, J.[Junhyuk], Jang, S.[Sunghyun], Cho, K.[Kyoung], Shin, M. S.[Moon Sam], Kim, H.[Hwayong]
J. Chem. Thermodyn. 2013, 57, 295-300
ABSTRACT
This work focused on the experimental measurements and the numerical calculations of the solubility of salicylic acid in various alcohols. The solubility of salicylic acid in pure alcohols was determined using a (solid + liquid) equilibrium measurement apparatus at temperatures ranging from (278.15 to 318.15) K. Also, the melting temperature and fusion enthalpy of salicylic acid were determined by a differential scanning calorimeter (TA instrument Q100). The experimental results were correlated with the equation for solubility of a solid in a liquid with the nonrandom two liquid (NRTL), universal quasi-chemical (UNIQUAC) and Wilson models for liquid phase activity coefficients to validate the quality of the data taken. Adjustable interaction parameters were also provided. The experimental data fit appropriately with all three models for the pure alcohols studied.
Compounds
# Formula Name
1 C2H6O ethanol
2 C3H8O propan-1-ol
3 C4H10O butan-1-ol
4 C5H12O pentan-1-ol
5 C6H14O hexan-1-ol
6 C7H16O heptan-1-ol
7 C7H6O3 2-hydroxybenzoic acid
8 C3H7NO2 DL-2-aminopropanoic acid
9 H2O water
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
  • 7
  • Molar enthalpy of transition or fusion, kJ/mol ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DSC
  • 1
  • POMD
  • 7
  • Normal melting temperature, K ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 1
  • 7
  • Mole fraction - 7 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 7
  • Gravimetric
  • 9
  • POMD
  • 7
  • 2
  • Mole fraction - 7 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 7
  • Gravimetric
  • 9
  • POMD
  • 7
  • 3
  • Mole fraction - 7 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 7
  • Gravimetric
  • 9
  • POMD
  • 7
  • 4
  • Mole fraction - 7 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 7
  • Gravimetric
  • 9
  • POMD
  • 7
  • 5
  • Mole fraction - 7 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 7
  • Gravimetric
  • 9
  • POMD
  • 7
  • 6
  • Mole fraction - 7 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 7
  • Gravimetric
  • 9
  • POMD
  • 8
  • 9
  • Mole fraction - 8 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 8
  • Gravimetric
  • 6