Decanal Nonanal is an organic compound with the chemical formula CH3(CH2)7CHO.

The linear nonanal is produced commercially by the hydroformylation of 1-octene.

[2] Nonanal has been identified as a compound that attracts Culex mosquitoes.

[3][4] Nonanal acts synergistically with carbon dioxide in that regard.

[5] This article about an organic compound is a stub.