White crystals or crystalline powder
Molecular Formula: C5N11NO2S
Molecular Mass: 149.1 g/mol
CAS: 63-68-3
Specification meets or exceed the current AJI, USP, FCC spec
| ITEM | AJI | USP | FCC |
| Identification | Infrared Absorption spectrum | Meets the requirements | |
| Specific Optical Rotation | +23.0° ~ +24.0° | +22.4° ~ +24.7° | +21.0° ~ +25.0° |
| State of Solution | ≥ 98.0% | - | Soluble in water, alkali solutions and in dilute mineral acids |
| Chloride | ≤0.02% | ≤0.05% | - |
| Ammonium | ≤0.02% | - | ≤0.002% |
| Sulfate | ≤0.03% | ≤0.03% | - |
| Iron | ≤10ppm | ≤0.003% | - |
| Heavy Metals | ≤10ppm | ≤0.0015% | ≤10ppm |
| Lead | - | - | ≤ 10mg/kg |
| Arsenic | ≤ 1ppm | - | - |
| Other Amino Acid | Conforms | - | - |
| Loss on Drying | ≤0.2% | ≤0.3% | ≤0.5% |
| Residue on Ignition | ≤0.1% | ≤0.4% | ≤0.1% |
| Assay | 99.0~101.0% | 98.5~101.5% | 98.5 ~ 101.5% |
| pH | 5.6 ~ 6.1 | 5.6 ~ 6.1 | - |
| Organic Volatile Impurities | - | Meet the requirements | - |
In 25kgs fiber drum double polyethylene bags inside. Preserve in well-closed containers at controlled room temperature
Shelf Life : 1 year