Section 06 Products of the chemical or allied 29 Organic chemicals 29 15 Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives 29 15 50 - Propionic acid, its salts and esters Commodity Code Description 29 15 50 00 - Propionic acid, its salts and esters