| ≥1 piece |
| ITEM | STANDARD |
| Appearance | White to pale yellow crystal like Powder |
| Odor | Has a sweet, milk and Vanilla aroma |
| Solubility (25 ℃) | 1 gram completely dissolves in 3ml 70% or 2ml 95% ethanol, and makes clear solution |
| Purity (GC) | 99.5% Min |
| Loss on Drying | 0.5% Max |
| Melting Point (℃) | 81- 83 |
| Arsenic (As) | ≤ 3 mg/kg |
| Mercury (Hg) | ≤ 1 mg/kg |
| Total Heavy Metals (as Pb) | ≤ 10 mg/kg |
| Residue of Ignition | ≤ 0.05% |