Section 06 Products of the chemical or allied 29 Organic chemicals 29 17 Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives 29 17 13 - - Azelaic acid, sebacic acid, their salts and esters Commodity Code Description 29 17 13 00 - - Azelaic acid, sebacic acid, their salts and esters