UK Global Tariff · commodity code · HS 2917.39
2917 39 85 50: Other aromatic polycarboxylic acids: 1.4,5.8-naphthalenetetracarboxylic acid-1.8-monoanhydride (cas rn 52671-72-4)
Other aromatic polycarboxylic acids
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 2917 Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
- Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
- 2917 39 00 00 Other
- 2917 39 85 00 Other
- 2917 39 85 50 1.4,5.8-naphthalenetetracarboxylic acid-1.8-monoanhydride (cas rn 52671-72-4)
What you pay
Importing into UK
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 3
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 833
- Documents
- 9018
- Duty suspensionAutonomous tariff suspension Free
- Applies to goods from
- all countries
- In force
- until 31 December 2028
- Legal act
- 2020 No. 1435
- Duty suspensionSuspension - goods for certain categories of ships, boats and other vessels and for drilling or production platforms Free
- Applies to goods from
- all countries
- Legal act
- 2020 No. 1431
- Documents
- C990 End use authorisation ships and platforms (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
Import requirements 1
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Russia, Ukraine
- Legal act
- 2023 No. 440, S.I. 2022/395
- Documents
- 9011
- 9022
- 9038
- 9009
- 9010
- 9017
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | 6% |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 38 moreAfghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia | Free |
| European Union (including code " EU") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu | Free |
| CARIFORUM | Antigua & Barbuda, Bahamas, Barbados, Belize and 10 moreAntigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago | Free |
| OCTs (Overseas Countries and Territories) | Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 moreAnguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands | Free |
| Central America | Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama | Free |
| SADC EPA | Botswana, Eswatini, Lesotho, Mozambique, Namibia | Free |
| Eastern and Southern Africa States | Madagascar, Mauritius, Seychelles, Zimbabwe | Free |
| CPTPP | Brunei, Malaysia | Free |
| UK–Andorra agreement | Andorra | Free |
| UK–Albania agreement | Albania | Free |
| UK–Australia agreement | Australia | Free |
| UK–Canada agreement | Canada | Free |
| UK–Switzerland agreement | Switzerland | Free |
| UK–Côte d’Ivoire agreement | Côte d’Ivoire | Free |
| UK–Chile agreement | Chile | Free |
| UK–Cameroon agreement | Cameroon | Free |
| UK–Colombia agreement | Colombia | Free |
| UK–Ceuta & Melilla agreement | Ceuta & Melilla | Free |
| UK–Ecuador agreement | Ecuador | Free |
| UK–Egypt agreement | Egypt | Free |
| UK–Fiji agreement | Fiji | Free |
| UK–Faroe Islands agreement | Faroe Islands | Free |
| UK–Georgia agreement | Georgia | Free |
| UK–Ghana agreement | Ghana | Free |
| DCTS Standard | Indonesia | Free |
| UK–Israel agreement | Israel | Free |
| UK–India agreement | India | Free |
| UK–Iceland agreement | Iceland | Free |
| UK–Jordan agreement | Jordan | Free |
| UK–Japan agreement | Japan | Free |
| UK–Kenya agreement | Kenya | Free |
| UK–South Korea agreement | South Korea | Free |
| UK–Lebanon agreement | Lebanon | Free |
| UK–Liechtenstein agreement | Liechtenstein | Free |
| UK–Morocco agreement | Morocco | Free |
| UK–Moldova agreement | Moldova | Free |
| UK–North Macedonia agreement | North Macedonia | Free |
| UK–Mexico agreement | Mexico | Free |
| UK–Norway agreement | Norway | Free |
| UK–New Zealand agreement | New Zealand | Free |
| UK–Peru agreement | Peru | Free |
| UK–Papua New Guinea agreement | Papua New Guinea | Free |
| UK–Palestinian Territories agreement | Palestinian Territories | Free |
| UK–Serbia agreement | Serbia | Free |
| UK–Solomon Islands agreement | Solomon Islands | Free |
| UK–Singapore agreement | Singapore | Free |
| UK–San Marino agreement | San Marino | Free |
| UK–Tunisia agreement | Tunisia | Free |
| UK–Türkiye agreement | Türkiye | Free |
| UK–Ukraine agreement | Ukraine | Free |
| UK–Vietnam agreement | Vietnam | Free |
| UK–Samoa agreement | Samoa | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–South Africa agreement | South Africa | Free |
Footnotes
TN701 According to the Council Regulation (EU) No 692/2014 (OJ L183, p. 9), as retained in UK La…
The prohibition shall not apply in respect of:
(a) the execution until 26 September 2014, of trade contracts concluded before 25 June 2014, or of ancillary contracts necessary for the execution of such contracts, provided that the natural or legal persons, entity or body seeking to perform the contract have notified, at least 10 working days in advance, the activity or transaction to the competent authority of the Member State in which they are established.
(b) goods originating in Crimea or Sevastopol which have been made available to the Ukrainian authorities for examination, for which compliance with the conditions conferring entitlement to preferential origin has been verified and for which a certificate of origin has been issued in accordance with Regulation (EU) No 978/2012 and Regulation (EU) No 374/2014, as retained in UK Law, or in accordance with the EU-Ukraine Association Agreement
TN702 According to the Council Regulation (EU) No 1351/2014 (OJ L365, p. 46), the export of good…
(a) to any natural or legal person, entity or body in Crimea or Sevastopol, or
(b) for use in Crimea or Sevastopol.
The prohibitions shall be without prejudice to the execution until 21 March 2015 of an obligation arising from a contract concluded before 20 December 2014, or by ancillary contracts necessary for the execution of such contracts, provided that the competent authority has been informed at least five working days in advance.
When related to the use in Crimea or Sevastopol, the prohibitions do not apply where there are no reasonable grounds to determine that the goods and technology or the services are to be used in Crimea or Sevastopol.
UK: imports by month · HS 2917.39
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 United States | £6.2m | 23.3% | +36.4% |
 Türkiye | £5.8m | 21.8% | +31.9% |
 France | £5m | 18.8% | -8.3% |
 South Korea | £2.6m | 10% | +21.1% |
 Spain | £2.1m | 7.9% | -12.8% |
 Italy | £1.7m | 6.6% | -22.1% |
 Poland | £1.1m | 4.1% | +9.8% |
 China | £1m | 3.9% | -27.3% |
Same subheading in other tariffs
2917.39 Aromatic polycarboxylic acids, their anhydrides, halides: other
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% 
Canada Free Third-country duty 3 tariff lines 
Mexico Free – 35% Third-country duty 7 tariff lines · average 6% 
Brazil Free – 10.8% Third-country duty 8 tariff lines · average 3.4% 
Argentina Free – 10.8% Third-country duty 11 tariff lines · average 2.5% 
Peru Free Third-country duty 4 tariff lines 
New Zealand Free Third-country duty 1 tariff line 
Japan Free – 3.1% Third-country duty 4 tariff lines · average 1.6% 
Taiwan Free – 2.5% Third-country duty 4 tariff lines · average 1.8% 
GCC 5% Third-country duty 4 tariff lines 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 2 tariff lines 
North Macedonia Free Third-country duty 3 tariff lines 
Nigeria 5% Third-country duty 1 tariff line UK lines: 2917.39
- 2917 39 20 00Ester or anhydride of tetrabromophthalic acid; benzene-1.2,4-tricarboxylic acid; isophthaloyl dichloride, containing by weight 0.8% or less of terephthaloyl dichloride; naphthalene-1.4,5.8-tetracarboxylic acid; tetrachlorophthalic anhydride; sodium 3.5-bis(methoxycarbonyl)benzenesulphonate
- 2917 39 35 00Aromatic polycarboxylic acids, their anhydrides, halides: other, bis(2-ethylhexyl) benzene-1.4-dicarboxylate (dotp)
- 2917 39 85 20Dibutyl-1.4-benzenedicarboxylate (cas rn 1962-75-0)
- 2917 39 85 25Naphthalene-1.8-dicarboxylic anhydride (cas rn 81-84-5)
- 2917 39 85 30Benzene-1.2:4.5-tetracarboxylic dianhydride (cas rn 89-32-7)
- 2917 39 85 453-(4-chlorophenyl)glutaric acid (cas rn 35271-74-0) with a purity by weight of 98% or more
- 2917 39 85 501.4,5.8-naphthalenetetracarboxylic acid-1.8-monoanhydride (cas rn 52671-72-4)
- 2917 39 85 553-nitrophthalic acid (cas rn 603-11-2) with a purity by weight of 98% or more
- 2917 39 85 60Perylene-3.4:9.10-tetracarboxylic dianhydride(cas rn 128-69-8)
- 2917 39 85 90Aromatic polycarboxylic acids, their anhydrides, halides: other, other, other
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
Commodity code 2917 39 85 50 is a line of the UK Global Tariff under HS subheading 2917.39 (aromatic polycarboxylic acids, their anhydrides, halides: other).
The third-country duty is 6%.
174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of 6%.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of other aromatic polycarboxylic acids (HS 2917.39) into the UK came to £26.5m between September 2025 and August 2026 (up 10% on the year before); United States supplied 23%, followed by Türkiye.
For the same subheading, the EU duty is 0%–6.5%, the Türkiye duty is 0%–6.5%, the US duty is 0%–6.5%, the Canada duty is free, 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%.
The UK imported goods of subheading 2917.39 worth US$36m in 2024; the largest supplier was South Korea.
Questions and answers
What is the UK import duty for commodity code 2917 39 85 50?
The third-country duty in the UK Global Tariff is 6%. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Which countries get a lower rate on 2917 39 85 50?
174 countries have a preferential rate on this line, 174 of them at 0%, under DCTS Comprehensive, European Union and DCTS Enhanced and other arrangements. The rate applies only to goods that meet the rules of origin of the agreement, with proof of origin. Choose the country of origin on this page to see its rate.
Do anti-dumping or other extra duties apply to 2917 39 85 50?
Additional duty of 35% on goods from Belarus and Russia. These are charged on top of the customs duty.
Where does the UK import these goods from?
For subheading 2917.39 as a whole, the largest supplier in 2024 was South Korea (US$7m), followed by Türkiye.