Customs Tariff of Canada · tariff item · HS 2917.39
2917.39.00.10: Aromatic polycarboxylic acids, their anhydrides, halides: other, trimellitic anhydride
Other aromatic polycarboxylic acids
✓ Can be used in a customs declaration Data: Customs Tariff of Canada, in force from 11 September 2026 · checked on 24 October 2026
- 2917 Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives.
- 29173 Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
- 2917.39.00 Other
- 2917.39.00.10 Trimellitic anhydride
What you pay
Importing into Canada
Customs duty only: import VAT, other taxes and trade defence duties of this country are not covered here, and the duty calculator works only with the EU, Türkiye, US and UK tariffs.
Same subheading in other tariffs
2917.39 Aromatic polycarboxylic acids, their anhydrides, halides: other
UK Free – 6% Third-country duty 10 tariff lines · average 5.4% 
EU Free – 6.5% Third-country duty 3 tariff lines · average 4.3% 
Türkiye Free – 6.5% Third-country duty 6 tariff lines · average 5.4% 
USA Free – 6.5% General (MFN) 8 tariff lines · average 4.9% 
Mexico Free – 35% General (MFN) 7 tariff lines · average 6% 
Brazil Free – 10.8% General (MFN) 8 tariff lines · average 3.4% 
Argentina Free – 10.8% General (MFN) 11 tariff lines · average 2.5% 
Peru Free General (MFN) 4 tariff lines 
New Zealand Free General (MFN) 1 tariff line 
Japan Free – 3.1% General (MFN) 4 tariff lines · average 1.6% 
Taiwan Free – 2.5% General (MFN) 4 tariff lines · average 1.8% 
GCC 5% General (MFN) 4 tariff lines 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 2 tariff lines 
North Macedonia Free General (MFN) 3 tariff lines 
Nigeria 5% General (MFN) 1 tariff line Canada lines: 2917.39
Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N347708 U.S. CBP
The tariff classification of 3,3,4,4-Biphenyltetracarboxylic dianhydride, CAS No. 2420-87-3, imported in bulk form, from China
- N335082 U.S. CBP
The tariff classification of three chemical substances from China
- 600011703 HMRC
Pyromellitic dianhydride Benzene-1.2:4.5-tetracarboxylic dianhydride (cas rn 89-32-7)
Legal notes
Tariff item 2917.39.00.10 is a line of the Customs Tariff of Canada under HS subheading 2917.39 (aromatic polycarboxylic acids, their anhydrides, halides: other).
The MFN tariff rate is free, and quantities are declared in KGM.
For the same subheading, the UK duty is 0%–6%, the EU duty is 0%–6.5%, the Türkiye duty is 0%–6.5%, the US duty is 0%–6.5%, the Mexico duty is 0%–35%, the Brazil duty is 0%–10.8%, the Argentina duty is 0%–10.8%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 0%–3.1%, the Taiwan duty is 0%–2.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 5%.
Canada imported goods of subheading 2917.39 worth US$43m in 2024; the largest supplier was China.
Questions and answers
What is the Canada import duty for tariff item 2917.39.00.10?
The MFN tariff rate in the Customs Tariff of Canada is free; the supplementary unit is KGM. This page shows the rate as published by the national source and, where the source publishes them, preferential rates: choose the country of origin to see them. Trade defence duties and VAT are not covered.
Where does Canada import these goods from?
For subheading 2917.39 as a whole, the largest supplier in 2024 was China (US$20m), followed by the United States.