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By certification 
Test Items Test Standards Test Results
Appearance White to light yellow crystalline powder or needle crystalline White to light yellow crystalline powder
Odor: Similar to the taste of vanilla Similar to the taste of vanilla
Solubility: 1g/2ml 95% ethanol CONFORMS
Asaay 99.0%min 99.20%
Molecular Weight 0.8x106min 1.11x106
Melting Point: 81.0 to 83.0 82.0
Loss on Drying 0.50%max 0.18%
Heavy Metal (as Pb) 10ppm max 7ppm
Arsenic 3ppm max 0.9ppm
Residue on Ignition: 0.1% max 0.04
Staphylococcus aureus Negative Negative
Appearance White to light yellow crystalline powder or needle crystalline White to light yellow crystalline powder
Odor: Similar to the taste of vanilla Similar to the taste of vanilla
Solubility: 1g/2ml 95% ethanol CONFORMS
Asaay 99.0%min 99.20%
Molecular Weight 0.8x106min 1.11x106
Melting Point: 81.0 to 83.0 82.0
Loss on Drying 0.50%max 0.18%
Heavy Metal (as Pb) 10ppm max 7ppm
Arsenic 3ppm max 0.9ppm
Residue on Ignition: 0.1% max 0.04
Staphylococcus aureus Negative Negative
