Descripción
Product Name: L-Proline
CAS No.: 147-85-3
EINECS No.: 205-702-2
Chemical Formula: C5H9NO2
Molecular Weight: 115.1316
Synonyms: 2-Pyrrolidinecarboxylic acid
Standard: AJI97 and USP24
Melting Point: 228~ 233ºC
Specification:
|
Appearance: |
White Crystals or crystalline powder |
|
Assay: |
98.5% min. |
|
Specific rotation [α]D20: |
-84.5o to -86.0o |
|
State of solution: |
Clear and colorless |
|
Transmittance: |
98.0% min. |
|
Heavy metals [Pb]: |
10ppm max. |
|
PH: |
5.9 to 6.9 |
|
Residue on ignition [sulfated]: |
0.1% max |
|
Loss on drying |
0.30% max. |
|
Chloride [Cl]: |
0.02% max. |
|
Ammonium [NH4+]: |
0.02% max. |
|
Sulfate [SO4]: |
0.02% max. |
|
Iron [Fe]: |
10ppm max |
|
Arsenic [As2O3]: |
1ppm max. |
|
Other amino acids: |
0.5% max |