HS 2917 – Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives.

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives.

Subheadings

HS code	Description	MFN rate
2917-11 – Oxalic acid, its salts and esters		MFN Free
2917-11-00-00	Oxalic acid, its salts and esters	Free
2917-12 – Adipic acid, its salts and esters		MFN Free
2917-12-00-00	Adipic acid, its salts and esters	Free
2917-13 – Azelaic acid, sebacic acid, their salts and esters		MFN Free
2917-13-00-00	Azelaic acid, sebacic acid, their salts and esters	Free
2917-14 – Maleic anhydride		MFN Free
2917-14-00-00	Maleic anhydride	Free
2917-19 – Other		MFN Free
2917-19-00-00	Other	Free
2917-20 – Cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives		MFN Free
2917-20-00-00	Cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives	Free
2917-32 – Dioctyl orthophthalates		MFN Free
2917-32-00-00	Dioctyl orthophthalates	Free
2917-33 – Dinonyl or didecyl orthophthalates		MFN Free
2917-33-00-10	Diisononyl orthophthalate	Free
2917-33-00-90	Other	Free
2917-34 – Other esters of orthophthalic acid		MFN Free
2917-34-00-00	Other esters of orthophthalic acid	Free
2917-35 – Phthalic anhydride		MFN Free
2917-35-00-00	Phthalic anhydride	Free
2917-36 – Terephthalic acid and its salts		MFN Free
2917-36-00-00	Terephthalic acid and its salts	Free
2917-37 – Dimethyl terephthalate		MFN Free
2917-37-00-00	Dimethyl terephthalate	Free
2917-39 – Other		MFN Free
2917-39-00-10	Trimellitic anhydride	Free
2917-39-00-20	Isophthalic acid	Free
2917-39-00-90	Other	Free

49 Canadian companies imported goods under heading 29.17 according to the CBSA Canadian Importers Database, 2023 data.