Solubility of caprolactam in different organic solvents

The solubility of caprolactam in methyl tert-butyl ether, isopropyl ether, 1-propanol, 2-propanol, and 1-butanol was measured at the temperature range from 278.15 K to 313.15 K under atmospheric pressure. The experimental data were correlated by the modified Apelblat equation which fits well with the experimental data. The dissolution enthalpy and entropy were predicted. Moreover, the solubility data were correlated using two local composition models: NRTL 1 and UNIQUAC.

► Solubility of caprolactam in five organic solvents at various temperatures.
► The dissolution enthalpy and entropy of caprolactam were predicted.
► The solubility data were correlated by two local composition models.