【Chemical formula】C5H10N2O3
【Molecular weight】146.15
【CAS】56-85-9
【Appearance】white crystal or crystalline powder
【Solubility】soluble in water, almost insoluble in methanol, ethanol, ether, benzene, odorless, slightly sweet, stable in neutral solution.
| ITEM | STANDARD |
| Appearance | Crystalline Powder |
| Color | Whitish |
| Aroma | None |
| Flavor | Slightly Sweet |
| Assay` | 98.5-101.5% |
| PH | 4.5-6.0 |
| Specific rotation | +6.3~-+7.3掳 |
| Loss on Drying | =<0.20% |
| Heavy Metals (Lead) | =< 5ppm |
| Arsenic(As2SO3) | =<1ppm |
| Ignited Residue | =< 0.1% |
| Identification | USP Glutamine RS |