Chapter 29 — Organic chemicals

Heading 2916 — Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives.

National subdivision 2916.3 — Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:

Subheading 2916.31 — Benzoic acid, its salts and esters