Characteristics: Fine, white, to slightly yellow crystals, usually needle-like; affected by light.
Odor: Odor and taste of Vanilla.
Solubility: Soluble in alcohol, chloroform, ether, 1g of vanillin soluble in 100 ml water at 25oC, in 20 ml glycerin, in 20 ml water at 80 oC.
Melting range: 81-83 oC
Content: 97.0% min.
Loss on drying: 0.5% max
As: 0.0003% max
Heavy metal (based on Pb) : 0.001% max
Residue on ignition: 0.05% max