【CAS NO】72-18-4
【Molecular formula】C5H11NO2
【Molecular weight】117.15
【Appearance】White crystal or crystalline powder, odorless, bitter taste
【Density (g/mL, 25/4℃)】1.23
【Melting point】295-300℃
【Solubility】Easily soluble in water, slightly soluble in ethanol, insoluble in ether
【Storage】This product should be sealed away from light and stored in a cool, dry and ventilated place
| Testing Item | Standard | Result |
| Appearance | White crystals or crystalline powder | conforms |
| Assay/% | ≥98.50 | 99.6 |
| Specific Rotation | +26.6°~+28.8° | +27.4° |
| Light Transmittance | ≥94 | 97.1 |
| Residue on Ignition/% | ≤0.10 | 0.08 |
| Chloride (Cl)/% | ≤0.05 | 0.018 |
| Iron (Fe)/% | ≤0.0030 | 0.0008 |
| Sulfate ( SO4)/% | ≤0.03 | 0.015 |
| Heavy Metal(Pb)/% | ≤0.0015 | 0.0008 |
| Loose Bulk Density(g/ml) | / | 0.4 |
| Bulk Density(g/ml) | / | 0.69 |
| Total Plate Count(cfu/g) | ≤2000 | 170 |
| Size(80mesh pass rate)/% | / | 90 |
| Loss on Drying/% | ≤0.30 | 0.17 |
| PH | 5.5~7.0 | conforms |