Descrição
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 |