Product Information
| Product Name |
L-Proline |
| Synonyms |
Pyrrolidine-2-carboxylic acid |
| CAS Number |
147-85-3 |
| Molecular Weight |
115.13 |
| Molecular Formula |
C5H9NO2 |
Specifications
| Description |
White crystals or crystalline powder |
| Assay |
99.5 – 101.5 % |
| Specific Rotation (4% H2O, 20°C) |
-84.5 – – 86.0 ° |
| Specific Rotation (4% H2O, 25°C) |
-84.3 – – 86.3 ° |
| State of Solution |
Clear and Colorless |
| Transmittance (10%H2O) |
98.0%min |
| Sulfate |
0.02%max |
| Chloride |
0.02%max |
| Ammonium |
0.02%max |
| Iron |
0.5 ppm max |
| Sodium |
200 ppmmax |
| Loss on Drying (3h, 105°C ) |
0.2% max |
| Residue on Ignition |
0.1% max |
| HeavyMetals (as Pb) |
5 ppmmax |
| As |
1 ppm max |
| Other Amino Acids (TLC) |
Not detected |
| pH@25°C |
5.9 – 6.9 |
Packing Options
Other packing options are available upon request
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