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

Measurement and Correlation of the Solubility of Disodium 4,4?-Dinitrostilbene-2,2?-disulfonate in Aqueous Organic Solutions

Du, M.-X.[Ming-Xing], Zou, W.[Wei], Xia, Q.[Qing], Wang, L.-X.[Ling-Xin], Kang, J.[Jia], Zhang, F.-B.[Feng-Bao], Zhang, G.-L.[Guo-Liang]
J. Chem. Eng. Data 2013, 58, 7, 1934-1938
ABSTRACT
The solubility data of disodium 4,4?-dinitrostilbene-2,2?-disulfonate (DNSNa) in aqueous organic solutions (ethanol + water) and (ethylene diglycol + water) were investigated over the temperature range from (280 to 323) K using a dynamic method. The mole fraction of water in the two different solvent mixtures ranged from 0.2221 to 1.0000 and 0.5959 to 1.0000, respectively. The electrolyte nonrandom two-liquid (E-NRTL) model proposed by Chen was applied to model the solubility data of DNSNa in the above systems. The binary interaction parameters of the E-NRTL model were obtained via regression of the experimental solubility data. The root-mean-square deviations of determined equilibrium temperature and the calculated equilibrium temperature varied from (0.40 to 1.22) K.
Compounds
# Formula Name
1 C14H8N2Na2O10S2 sodium 6,6'-(ethene-1,2-diyl)bis(3-nitrobenzenesulfonate)
2 H2O water
3 C2H6O ethanol
4 C4H10O3 diethylene glycol
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
  • 3
  • 1
  • 2
  • Solid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Solvent: Mole fraction - 3; Liquid mixture 1
  • Mole fraction - 1; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Crystal - 1
  • VISOBS
  • 72
  • POMD
  • 4
  • 1
  • 2
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Solvent: Mole fraction - 4; Liquid
  • Mole fraction - 1; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 1
  • VISOBS
  • 62
  • POMD
  • 1
  • 2
  • Solid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 1; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Crystal - 1
  • VISOBS
  • 12