| Melting point |
273 °C (dec.)(lit.) |
| alpha |
-75.5 º (c=5, H2O) |
| Boiling point |
242.42°C (rough estimate) |
| Density |
1.3121 (rough estimate) |
| bulk density |
610kg/m3 |
| vapor density |
4.5 (vs air) |
| refractive index |
-75.5 ° (C=4, H2O) |
| storage temp. |
Store below +30°C. |
| solubility |
H2O: 50 mg/mL |
| form |
Crystals or Crystalline Powder |
| pka |
1.82, 9.66(at 25℃) |
| color |
White |
| Odor |
Odorless |
| PH |
5.5-6.5 (50g/l, H2O, 20℃) |
| optical activity |
[α]25/D 75.6°, c = 1 in H2O |
| Water Solubility |
357.8 g/L (20 º C) |
| Merck |
14,4840 |
| BRN |
471933 |
| Cosmetics Ingredients Functions |
HAIR CONDITIONING ANTISTATIC SURFACTANT - CLEANSING SKIN CONDITIONING |
| InChI |
1S/C5H9NO3/c7-3-1-4(5(8)9)6-2-3/h3-4,6-7H,1-2H2,(H,8,9)/t3-,4+/m1/s1 |
| InChIKey |
PMMYEEVYMWASQN-DMTCNVIQSA-N |
| SMILES |
O[C@H]1CN[C@@H](C1)C(O)=O |
| LogP |
-0.350 (est) |
| CAS DataBase Reference |
51-35-4(CAS DataBase Reference) |
| NIST Chemistry Reference |
Hydroxyproline(51-35-4) |
| EPA Substance Registry System |
trans-4-Hydroxy-L-proline (51-35-4) |