Description
Product Name: L-Leucine
CAS Number: 61-90-5
EINECS No.: 200-522-0
Chemical Formula: C6H13NO2
Molecular Weight: 131.1742
Synonyms: 2-amino-4-methylvaleric acid;
2-Amino-4-methylpentanoic acid;
Description: Crystalline leaflets or a white crystalline powder
Melting Point: 286 ~ 288 ºC
Specification:
|
Assay: |
99.0% to 100.5% |
|
Specific rotation [α]D20: |
+14.9o to + 16.0o |
|
State of solution |
Clear and colorless 98.0% min. |
|
PH: |
5.5 to 6.5 |
|
Residue on ignition [sulfated]: |
0.3% max |
|
Chloride[Cl]: |
0.020% max. |
|
Sulphate: |
0.020% max |
|
Ammonium[NH4]: |
0.020% max |
|
Loss on drying |
0.20% max. |
|
Heavy metals [Pb]: |
10ppm max. |
|
Arsenic [As2O3]: |
1.5ppm max. |
|
Other amino acids: |
Not detected |