Acetaldehyde imatchedwanso ethanal, ndi mankhwala achilengedwe okhala ndi formula CH3CHO, nthawi zina amafupikitsidwa ndi akatswiri a zamankhwala monga MeCHO (Me = methyl).Ndi madzi kapena gasi wopanda mtundu, wowira pafupi ndi kutentha kwa chipinda.Ndi imodzi mwazofunikira kwambiri za aldehyde, zomwe zimachitika kwambiri m'chilengedwe ndipo zimapangidwa pamlingo waukulu m'makampani.