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| PROPERTIES | |
| Properties | |
| Chemical formula | C14H18N2O5 |
| Boiling point | decomposes |
| Density | 1.347 g/cm3 |
| Melting point | 246 to 247 °C (475 to 477 °F; 519 to 520 K) |
| SPECIFICATION | ||
| Specification | granular&powder | |
| Appearance | : | white granular or powder |
| Assay | : | 98.00-102.00% |
| Taste | : | pure |
| Specific rotation (α)20D | : | +14.50o- +16.50 o |
| Transmittance | : | ≥95.0% |
| Loss on drying | : | ≤4.5% |
| Ignition residue | : | ≤0.20% |
| PH value | : | 4.50-6.00 |
| L-α-Aspartyl-L-Phenylalanine | : | ≤0.25% |
| L-Phenylalanine | : | ≤0.50% |
| 5-benzyl-3,6-dioxo-2-piperazineacetic acid | : | ≤1.5% |
| Other related impurities | : | ≤2.0% |
| Heavy Metals (as Pb) | : | ≤10ppm |
| Arsenic | : | ≤3ppm |
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