| Melting point |
160-163 °C(lit.) |
| Boiling point |
239.15°C (rough estimate) |
| alpha |
-27.5 º (c=10, 1 N NaOH) |
| Density |
1.3816 (rough estimate) |
| vapor pressure |
0.002Pa at 25℃ |
| refractive index |
-10 ° (C=5, H2O) |
| storage temp. |
2-8°C |
| solubility |
H2O: 1 M at 20 °C, clear, colorless |
| pka |
3.32(at 25℃) |
| form |
Crystalline Powder |
| color |
White to off-white |
| PH |
1.7 (50g/l, H2O, 20℃) |
| Odor |
wh. crystal, odorless, sl. acidic taste |
| optical activity |
[α]20/D 10.5±1°, c = 5% in H2O |
| Water Solubility |
10-15 g/100 mL (20 ºC) |
| Merck |
14,8001 |
| BRN |
82132 |
| Stability |
Stable. Incompatible with bases, acids, strong oxidizing agents. |
| Major Application |
peptide synthesis |
| Cosmetics Ingredients Functions |
HUMECTANT
MOISTURISING |
| InChI |
1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1 |
| InChIKey |
ODHCTXKNWHHXJC-VKHMYHEASA-N |
| SMILES |
OC(=O)[C@@H]1CCC(=O)N1 |
| LogP |
-1.233 at 20℃ |
| CAS DataBase Reference |
98-79-3(CAS DataBase Reference) |
| NIST Chemistry Reference |
Pidolic acid(98-79-3) |
| EPA Substance Registry System |
5-Oxo-L-proline (98-79-3) |
