Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 05 Acyclic alcohols and their halogenated... or nitrosated derivatives 29 05 32 Propylene glycol (propane-1,2-diol) 29 05 32 00 Propylene glycol (propane-1,2-diol) Commodity Code Description 29 05 32 00 000 Propylene glycol (propane-1,2-diol)