L-Proline 99% For Biochemistry
(S)-Pyrrolidine-2-carboxylic acid
Product Code. |
02191 |
Grade |
|
Purity |
99% |
CAS No. |
147-85-3 |
Molecular Formula |
C5H9NO2 |
Molecular Weight |
115.13 |
H.S.Code |
2933.99000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
pH value |
6 - 7 at 115 g/l at 25 °C |
| Melting point/ Freezing point [°C] |
228 °C |
Decomposition point [°C] |
233 °C |
Solubility in water [% weight] |
115 g/l at 20 °C - completely soluble |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (by HClO4 titration) | Min 99% |
| Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.01% |
| Foreign amino acids | Max 0.3% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
Safety Information and Hazard Symbols