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% |
Loss on Drying | ≤ 0.5% |
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% |