Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 14 Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. 29 14 13 4-methylpentan-2-one (methyl isobutyl ketone) Commodity Code Description 29 14 13 00 4-methylpentan-2-one (methyl isobutyl ketone)