Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 10 Epoxides... with a three-membered ring and halogenated... derivatives 29 10 20 Methyloxirane (propylene oxide) 29 10 20 00 Methyloxirane (propylene oxide) Commodity Code Description 29 10 20 00 000 Methyloxirane (propylene oxide)