


Appearance  | White to pale yellow crystalline powder  | 
Odder  | Similar to Vanillin  | 
Purity (by GC)  | ≥99.5%  | 
Melting Point  | 81.0~83.0℃  | 
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  |