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The Physical and Chemical Properties of Different Excipients
| Excipients | Chemical Structure | Molecular Weight(g/mol) | Solubility in Water | Glass Transition Temperature (°C) |
|---|---|---|---|---|
| Soluplus |  |
90,000–140,000 | Soluble | Around 70 |
| HPMC-E30 |  |
9000–12,000 | Soluble | Around 180 |
| PVP-K30 |  |
25,000–40,000 | Soluble | Around 180 |
| Pluronic-F 68 |  |
7680–9510 | Soluble | – |
| PEG-4000 |  |
3600–4400 | Soluble | Around 55 |
