... 3.Molecular formula:C2H4O 4.molecular weight:44.05Physical and Chemical Indicators: Characters:colorless,flammable,volatile,mobile liquid ... :miscible with water, ethanol, ether, benzene, gasoline,toluene, xylene and acetone. Main application:The acetaldehyde is mainly used ... ,acetic anhydride,butyraldehyde,octanol,pentaerythritol,paraldehyde and other important chemical raw material. Acetaldehyde