Detailed Product Description Appearance: White or slightly yellowish spiculate crystals. Odor: Characteristic odor of Vanilla bean, fresh.Assay (GC): ≥99%Melting point (): 81 ~ 83Residue on ignition: ≤0.05%Solubility (25): 1 gram clearly soluble in 2ML of 95% (V/V) alcoholStorage: At cool place (below 25), in unopened packing.