Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 10 Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. 29 10 20 Methyloxirane (propylene oxide) Commodity Code Description 29 10 20 00 Methyloxirane (propylene oxide)