| Melting point | 228 °C (dec.)(lit.) |
| alpha | -85.5 º (c=4, H2O) |
| Boiling point | 215.41°C (rough estimate) |
| density | 1.35 |
| FEMA | 3319 | L-PROLINE |
| refractive index | -85 ° (C=4, H2O) |
| storage temp. | Store at RT. |
| solubility | H 2 O: 50 mg/mL |
| pka | 1.95, 10.64(at 25ºC) |
| form | powder |
| color | White |
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