Description
Chemical Name: |
L-Alanine |
|
CAS Number: |
56-41-7 |
|
Chemical Formula: |
C3H7NO2 |
|
Molecular Weight: |
89.0938 |
|
Synonyms: |
L-2-Aminopropionic Acid; 2-Aminopropanoic acid; |
|
Description: |
White Crystals or crystalline powder |
|
* Melting Point: |
314.5℃ - 316.5 ℃ |
|
|
||
Analytical Procedure |
Specification |
|
Assay: |
98.5%~101.5% |
|
Specific rotation [α]D20: |
+14.3o to +15.2o |
|
State of solution: |
Clear and colorless |
|
Transmittance: |
98.0% min. |
|
Loss on drying |
0.20% max. |
|
PH: |
5.7 to 6.7 |
|
Residue on ignition [sulfated]: |
0.1% max |
|
Chloride [Cl]: |
0.02% max. |
|
Ammonium [NH4+]: |
0.02% max. |
|
Sulfate [SO4]: |
0.02% max. |
|
Iron [Fe]: |
10ppm max |
|
Heavy metals [Pb]: |
10ppm max. |
|
Arsenic [As2O3]: |
1ppm max. |
|
Other amino acids: |
None |