O-vanillin Product Name: 2 - hydroxy-3 - methoxybenzaldehyde CA registration number: 148-53-8 Name: 2-Hydroxy-3-methoxybenzaldehyde; o-Vanillin alias: o-vanillin; neighbor Pandan Su Formula: C8H8O3 Usage: for pharmaceutical intermediates, is the appearance of an important starting material for the synthesis of a variety of bulk drugs and the spices: light yellow to brown low melting point the solid infrared spectroscopy identification: matching and reference Melting point:> 42.5 ° C Purity:> 99% alcohol-soluble experiment: the solution transparent water: <0.1% boiling point :265-266 ℃