Appearance: white to slightly yellow needle-like crystal or crystal powder

Odor: similar to vanillin beans, stronger than vanillin

Melting point: 76-78℃

Solubility: 1g sample dissolve into 2ml of 95% ethanol solution into transparent solution

Loss on drying: 0.5% max

Purity: 99% min

Heavy metal (as Pb):0.001%

Arsenic(AS): 0.003% max

Burning residue: 0.05% max

Shelf life: 24 months

Packing: 5/10/25/50kg drum