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

Solid Liquid Equilibria for Six Binary Mixtures Involving Heptanedioic Acid, Pentanedioic Acid, Hexanedioic Acid, 2,3-Dimethylbutanedioic Acid, 2,2-Dimethylbutanedioic Acid, and 3-Methylheptanedioic Acid

Wang, T.-C.[Tzu-Chi], Li, Y.-J.[Yi-Ju], Chen, Y.-P.[Yan-Ping]
J. Chem. Eng. Data 2012, 57, 12, 3519-3524
ABSTRACT
Solid liquid equilibrium data for six organic binary mixtures of heptanedioic acid (1) + pentanedioic acid (2) (eutectic temperature TE = 341.9 K, eutectic composition x1E = 0.391), hexanedioic acid (1) + heptanedioic acid (2) (TE = 365.4 K, x1E = 0.239), heptanedioic acid (1) + 2,3-dimethylbutanedioic acid (2) (TE = 348.9 K, x1E = 0.443), heptanedioic acid (1) + 2,2-dimethylbutanedioic acid (2) (TE = 358.8 K, x1E = 0.667), heptanedioic acid (1) + 3-methylpenetandioic acid (2) (TE = 338.8 K, x1E = 0.357), and 2,2-dimethylbutanedioic acid (1) + 3-methylpenetandioic acid (2) (TE = 348.3 K, x1E = 0.212) were measured in this study using differential scanning calorimetry (DSC). All six systems show simple eutectic behavior. The experimental data were correlated using the Wilson and nonrandom two-liquid (NRTL) activity coefficient models, and satisfactory results are presented.
Compounds
# Formula Name
1 C7H12O4 1,7-heptanedioic acid
2 C6H10O4 2,2-dimethyl-1,4-butanedioic acid
3 C6H10O4 3-methylpentanedioic acid
4 C6H10O4 1,6-hexanedioic acid
5 C5H8O4 1,5-pentanedioic acid
6 C6H10O4 2,3-dimethyl-1,4-butanedioic 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
  • 1
  • Molar enthalpy of transition or fusion, kJ/mol ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DSC
  • 1
  • POMD
  • 1
  • Normal melting temperature, K ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 2
  • Molar enthalpy of transition or fusion, kJ/mol ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DSC
  • 1
  • POMD
  • 2
  • Normal melting temperature, K ; Crystal 1
  • Crystal 1
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 3
  • Molar enthalpy of transition or fusion, kJ/mol ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DSC
  • 1
  • POMD
  • 3
  • Normal melting temperature, K ; Crystal 1
  • Crystal 1
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 4
  • Molar enthalpy of transition or fusion, kJ/mol ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DSC
  • 1
  • POMD
  • 4
  • Normal melting temperature, K ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 5
  • Molar enthalpy of transition or fusion, kJ/mol ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DSC
  • 1
  • POMD
  • 5
  • Normal melting temperature, K ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 6
  • Molar enthalpy of transition or fusion, kJ/mol ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DSC
  • 1
  • POMD
  • 6
  • Normal melting temperature, K ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 1
  • 2
  • Eutectic temperature, K ; Crystal - 1
  • Crystal - 1
  • Crystal - 2
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 1
  • 2
  • Eutectic composition: mole fraction - 1 ; Crystal - 1
  • Crystal - 1
  • Crystal - 2
  • Liquid
  • Air at 1 atmosphere
  • Derived from phase diagram analysis
  • 1
  • POMD
  • 1
  • 2
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal 1 - 2
  • DTA
  • 13
  • POMD
  • 1
  • 2
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal 1 - 1
  • DTA
  • 5
  • POMD
  • 1
  • 3
  • Eutectic temperature, K ; Crystal - 1
  • Crystal - 1
  • Crystal - 3
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 1
  • 3
  • Eutectic composition: mole fraction - 1 ; Crystal - 1
  • Crystal - 1
  • Crystal - 3
  • Liquid
  • Air at 1 atmosphere
  • Derived from phase diagram analysis
  • 1
  • POMD
  • 1
  • 3
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal 1 - 3
  • DTA
  • 7
  • POMD
  • 1
  • 3
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal 1 - 1
  • DTA
  • 10
  • POMD
  • 2
  • 3
  • Eutectic temperature, K ; Crystal - 2
  • Crystal - 2
  • Crystal - 3
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 2
  • 3
  • Eutectic composition: mole fraction - 2 ; Crystal - 2
  • Crystal - 2
  • Crystal - 3
  • Liquid
  • Air at 1 atmosphere
  • Derived from phase diagram analysis
  • 1
  • POMD
  • 2
  • 3
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 2; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal 1 - 3
  • DTA
  • 3
  • POMD
  • 2
  • 3
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 2; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal 1 - 2
  • DTA
  • 14
  • POMD
  • 5
  • 1
  • Eutectic temperature, K ; Crystal - 5
  • Crystal - 5
  • Crystal - 1
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 5
  • 1
  • Eutectic composition: mole fraction - 1 ; Crystal - 5
  • Crystal - 5
  • Crystal - 1
  • Liquid
  • Air at 1 atmosphere
  • Derived from phase diagram analysis
  • 1
  • POMD
  • 5
  • 1
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 5
  • DTA
  • 7
  • POMD
  • 5
  • 1
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 1
  • DTA
  • 12
  • POMD
  • 1
  • 4
  • Eutectic temperature, K ; Crystal - 1
  • Crystal - 1
  • Crystal - 4
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 1
  • 4
  • Eutectic composition: mole fraction - 1 ; Crystal - 1
  • Crystal - 1
  • Crystal - 4
  • Liquid
  • Air at 1 atmosphere
  • Derived from phase diagram analysis
  • 1
  • POMD
  • 1
  • 4
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 4; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 1
  • DTA
  • 4
  • POMD
  • 1
  • 4
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 4; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 4
  • DTA
  • 15
  • POMD
  • 1
  • 6
  • Eutectic temperature, K ; Crystal - 1
  • Crystal - 1
  • Crystal - 6
  • Liquid
  • Air at 1 atmosphere
  • DTA
  • 1
  • POMD
  • 1
  • 6
  • Eutectic composition: mole fraction - 1 ; Crystal - 1
  • Crystal - 1
  • Crystal - 6
  • Liquid
  • Air at 1 atmosphere
  • Derived from phase diagram analysis
  • 1
  • POMD
  • 1
  • 6
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 6
  • DTA
  • 8
  • POMD
  • 1
  • 6
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 1
  • DTA
  • 10