A major use of butyraldehyde is in the production of butyl acetate, dibutyl phthalate and phosphate plasticizer, major plasticizers;Also used in the production of melamine resin, acrylic acid, epoxy varnish, etc.Used as chromatographic reagent and organic synthesis etc.It is used in the production of food addictives for making banana, cream, whisky and cheese type edible essence, and is also used for oil, medicine (such as antibiotic, hormone and vitamin) and spices extraction agent, alkyd resin coating additive, and can also be used as solvent of organic dye and printing ink, dewaxing agent.