1131-52-8

Colorless solid

3-Ethoxy-4-methoxybenzaldehyde is used as a pharmaceutical intermediate.

3-Ethoxy-4-methoxybenzaldehyde may be used to synthesize Compound of Designation red 10 binding (CDr10b) to investigate its role in neuroinflammatory diseases.

In a 3 L dry reaction flask, 157 g of sodium hydroxide was dissolved in 1500 ml of water, 500 g of isovanillin, 120 g of tetrabutylammonium fluoride, and 537 g of ethyl bromide were added, and the reaction was stirred at 25°C for 4 hours. After filtration by suction, an off-white solid powder of 3-ethoxy-4-methoxybenzaldehyde was obtained with a purity of 99.9% and a yield of 96.1%.

3-Ethoxy-4-methoxybenzaldehyde is a derivative of vanillin.