diacetyl butanedione molecule. responsible for taste of butter. used for butter flavouring. causes popcorn worker’s lung .

diacetyl butanedione molecule responsible taste butter used flavouring causes popcorn workers lung fermentation diketone ketone alcoholic beverage buttery flavor margarine butterscotch biacetyl dimethyl microwave bronchiolitis obliterans oxygen carbon hydrogen atoms atomic molecular compound composition chemical chemistry structure formula line drawing skeletal flat icon