Colorless transparent liquid with suffocating odor, often used as intermediates of resins, plastic plasticizers, vulcanization accelerators, insecticides, etc. Butyraldehyde (C4H8O), which is found in many essential oils of flowers, leaves, fruits, grasses, dairy products, wines, etc. in nature. Extremely diluted, Chemicalbook has an elegant fragrance. Used as an intermediate for resins, plastic plasticizers, vulcanization accelerators, pesticides, etc. N-butyraldehyde is used to prepare butyric acid, cellulose butyrate, polyvinyl butyral, etc. The products can be used as solvents, plasticizers, rubber accelerators, coatings, dispersants, insecticides, etc.