Section 06 Products of the chemical or allied 29 Organic chemicals 29 12 Aldehydes; cyclic polymers of aldehydes; paraformaldehyde 29 12 12 Ethanal (acetaldehyde) 29 12 12 00 Ethanal (acetaldehyde) Commodity Code Description 29 12 12 00 00 Ethanal (acetaldehyde)