| 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% |