Ethanal vel Ethylalkanal vel Ethylaldehydum vel Aethanal vel Aethylalkanal vel Aethylaldehydum vel Acetaldehydum (Nova latina) et cum altera nomina (non IUPAC): Alcoholus dehydrogenatus aceticus vel Aldehydus aceticus.

Formulae structurae sunt: C₂H₄O, CH₃CHO .

• Aldehydum