Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 03 Halogenated derivatives of hydrocarbons 29 03 91 Chlorobenzene,o-di-chlorobenzene,and p-dichlorobenzene. 29 03 91 00 Chlorobenzene,o-di-chlorobenzene,and p-dichlorobenzene. Commodity Code Description 29 03 91 00 000 Chlorobenzene,o-di-chlorobenzene,and p-dichlorobenzene.