| Melting point |
228 °C (dec.) (lit.) |
| Boiling point |
215.41°C (rough estimate) |
| alpha |
-85.5 º (c=4, H2O) |
| Density |
1.35 |
| bulk density |
500kg/m3 |
| vapor pressure |
0Pa at 25℃ |
| FEMA |
3319 | L-PROLINE |
| refractive index |
-85 ° (C=4, H2O) |
| storage temp. |
2-8°C |
| solubility |
H2O: 50 mg/mL |
| form |
powder |
| pka |
1.95, 10.64(at 25℃) |
| color |
White |
| PH |
6.0-7.0 (25℃, 1M in H2O) |
| Odor |
at 100.00 %. odorless |
| Odor Type |
odorless |
| biological source |
synthetic |
| optical activity |
[α]20/D 85.0±1.0°, c = 5% in H2O |
| Water Solubility |
soluble |
| Sensitive |
Hygroscopic |
| λmax |
λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05 |
| Merck |
14,7780 |
| JECFA Number |
1425 |
| BRN |
80810 |
| Stability |
Stable. Incompatible with strong oxidizing agents. |
| Cosmetics Ingredients Functions |
SKIN CONDITIONING
HAIR CONDITIONING |
| InChI |
1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1 |
| InChIKey |
ONIBWKKTOPOVIA-UHFFFAOYSA-N |
| SMILES |
OC(=O)[C@@H]1CCCN1 |
| LogP |
-2.54 at 20℃ |
| CAS DataBase Reference |
147-85-3(CAS DataBase Reference) |
| NIST Chemistry Reference |
Proline(147-85-3) |
| EPA Substance Registry System |
L-Proline (147-85-3) |
