Section 06 Products of the chemical or allied 29 Organic chemicals 29 12 Aldehydes; cyclic polymers of aldehydes; paraformaldehyde 29 12 13 Butanal (butyaldehyde, normal isomer) 29 12 13 00 Butanal (butyaldehyde, normal isomer) Commodity Code Description 29 12 13 00 00 Butanal (butyaldehyde, normal isomer)
