Appearance: White to pale yellow crystalline powder
Odder: Similar to Vanillin
Purity (by GC): ≥99.5%
Melting Point: 81.0~83.0°C
Solubility: 1g sample can completely soluble in 2ml 95% ethanol makes transparent solution
Loss on drying:≤0.5%
Arsenic content: ≤3 mg/kg
Heavy Metal(Pb): ≤10 mg/kg