Hansen Solubility Parameters for Key Excipients, Silicone Oil, Water, and Borosilicate Glass
| δd (MPa1/2) | δp (MPa1/2) | δh (MPa1/2) | |
|---|---|---|---|
| Acetic acid | 14.5 | 8.0 | 13.5 |
| Histidine | 18.6 | 11.8 | 17.03 |
| Citric acid | 17.6 | 11.36 | 25.98 |
| Mannitol | 16.15 | 24.53 | 14.56 |
| PS80 (combined) | 16.7 | 6.5 | 9.4 |
| PS80 (hydrophobic part) | 16.3 | 0.7 | 1.7 |
| PS80 (hydrophilic part) | 16.8 | 7.3 | 10.6 |
| P188 (combined) | 17.49 | 10.23 | 8.74 |
| P188 (hydrophobic part) | 20.96 | 3.19 | 7.54 |
| P188 (hydrophilic part) | 16.61 | 16.83 | 9.17 |
| Silicone oil 1 | 14.0 | 1.0 | 1.0 |
| Silicone oil 2 | 17.0 | 4.0 | 4.0 |
| Borosilicate glass | 13.25 | 3.03 | 12.79 |
| Water | 18.1 | 17.1 | 16.9 |