Abstract
Knowledge of drug solubility data in supercritical carbon dioxide (SC-CO2) is a fundamental step in producing nano and microparticles through supercritical fluid technology. In this work, for the first time, the solubility of metoclopramide hydrochloride (MCP) in SC-CO2 was measured in pressure and temperature range of 12 to 27 MPa and 308 to 338 K, respectively. The results represented a range mole fractions of 0.15 × 10-5 to 5.56 × 10-5. To expand the application of the obtained data, six semi-empirical models and three models based on the Peng-Robinson equation of state (PR + VDW, PR + WS + Wilson and PR + MHV1 + COSMOSAC) with different mixing rules and various ways to describe intermolecular interactions were investigated. Furthermore, total enthalpy, sublimation enthalpy and solvation enthalpy relevant to MCP solvating in SC-CO2 were estimated.
| Original language | English |
|---|---|
| Article number | 103876 |
| Journal | Arabian Journal of Chemistry |
| Volume | 15 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 2022 |
Keywords
- Metoclopramide hydrochloride
- Peng-Robinson equation of state
- Sodeifian model
- Solubility
- Supercritical carbon dioxide
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