L-亮氨酸
L-亮氨酸
CAS NO：61-90-5
| Chemical Name | L-亮氨酸 |
| Molecular Structure |  |
| Molecular Formula | C6H13NO2 |
| Molecular Weight | 131.17 |
| Characteristics | White crystalling powder or white crystals.Odorless,slightly bitter taste.Freely soluble in formic acid,sparingly soluble in water,very slightly soluble in ethanol or in ether, dissoves in dilute hydrochloric acid. |
| Packing | 25㎏/drum，25㎏/carton |
| Quality Standard | AJI92/USP28/EP5/FCCIV |
| Specification | |
| Specific rotation[a]D20° | +14.9～+16.0° |
| State of solution | ≥98.0% |
| Heavy metals(Pb) | ≤10PPm |
| Residue on ignition | ≤0.1% |
| Iron(Fe) | ≤10PPm |
| Loss on drying | ≤0.02% |
| Other amino acids | Conforms |
| Arsenic(As2O3) | ≤1PPm |
| Chloride(CI) | ≤0.02% |
| Ammonium(NH4) | ≤0.02% |
| Sulfate(SO4) | ≤0.02% |
| Assay | 99.0～100.5% |
| PH | 5.5～6.5 |
