Subheading · Chapter 29 · Heading 2933
2933.21: Hydantoin and its derivatives
Subheading 2933.21 belongs to heading 2933 (heterocyclic compounds with nitrogen hetero-atom(s) only) in chapter 29.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 2933 21 00 00 Hydantoin and its derivatives
- 2933 21 00 45 Sodium (5s,8s)-8-methoxy-2.4-dioxo-1.3-diazaspiro[4.5]decan-3-ide (cas rn 1400584-86-2) with a purity by weight of 90% or more 6%
- 2933 21 00 50 1-bromo-3-chloro-5.5-dimethylhydantoin (cas rn 16079-88-2) / (cas rn 32718-18-6) 6%
- 2933 21 00 55 1-aminohydantoin hydrochloride (cas rn 2827-56-7) 6%
- 2933 21 00 60 Dl-p-hydroxyphenylhydantoin (cas rn 2420-17-9) 6%
- 2933 21 00 80 5.5-dimethylhydantoin (cas rn 77-71-4) 6%
- 2933 21 00 90 Other Free
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 4
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 833
- Documents
- 9018
- 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)
- Duty suspensionAirworthiness tariff suspension Free
- Applies to goods from
- all countries
- Legal act
- S.I. 2018/1249
- Documents
- C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate
- Duty suspensionAutonomous tariff suspension Free
- Applies to goods from
- all countries
- In force
- until 31 December 2028
- Legal act
- 2020 No. 1435
- Tariff lines
- on 4 of 6 lines
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) | — | Free – 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 |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 China | £416k | 44.5% | -13.2% |
 United States | £311k | 33.3% | +4.7% |
 Netherlands | £108k | 11.5% | +81.2% |
 Germany | £40k | 4.2% | +118.2% |
 Italy | £26k | 2.8% | +76.9% |
 Spain | £17k | 1.8% | -55.6% |
 Belgium | £8k | 0.9% | -21.9% |
 India | £4k | 0.5% | +29.2% |
Same subheading in other tariffs
EU 6.5% Third-country duty 1 tariff line 
Türkiye 6.5% Third-country duty 2 tariff lines USA 6.5% General (MFN) 1 tariff line 
Canada Free General (MFN) 1 tariff line 
Mexico Free General (MFN) 1 tariff line 
Brazil Free – 12.6% General (MFN) 4 tariff lines · average 3.2% 
Argentina Free – 12.6% General (MFN) 5 tariff lines · average 2.5% 
Peru Free General (MFN) 1 tariff line 
New Zealand Free General (MFN) 1 tariff line 
Japan Free – 3.1% General (MFN) 2 tariff lines · average 1.6% 
Taiwan 5% General (MFN) 1 tariff line 
GCC 5% General (MFN) 5 tariff lines 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia 5% General (MFN) 1 tariff line 
Nigeria 5% General (MFN) 1 tariff line World trade in 2024
Trade value (US$) no reported trade < US$43kUS$43k+US$963k+US$4m+> US$11m
Exports: 67
- China: US$41m
- United States: US$11m
- Taiwan: US$8m
- Spain: US$6m
- Netherlands: US$5m
- India: US$4m
- Italy: US$4m
- Belgium: US$3m
- Germany: US$3m
- Portugal: US$2m
- France: US$2m
- Israel: US$2m
- Finland: US$2m
- Singapore: US$2m
- Indonesia: US$1m
- Switzerland: US$963k
- United Kingdom: US$782k
- Brazil: US$669k
- Japan: US$486k
- Hong Kong SAR China: US$422k
- Austria: US$323k
- Canada: US$320k
- South Korea: US$226k
- Malaysia: US$176k
- Poland: US$123k
- Ukraine: US$107k
- Denmark: US$93k
- Türkiye: US$56k
- Thailand: US$49k
- Sweden: US$47k
- Colombia: US$43k
- Luxembourg: US$35k
- Guatemala: US$25k
- Uruguay: US$22k
- Peru: US$22k
- Mexico: US$20k
- Greece: US$20k
- Czechia: US$18k
- Lithuania: US$13k
- Nigeria: US$11k
- Bulgaria: US$10k
- Argentina: US$9k
- Dominican Republic: US$8k
- Serbia: US$7k
- Latvia: US$7k
- United Arab Emirates: US$4k
- Ireland: US$4k
- Australia: US$3k
- Croatia: US$3k
- Romania: US$3k
- South Africa: US$3k
- Senegal: US$2k
- Costa Rica: US$2k
- Slovenia: US$2k
- Russia: US$2k
- Slovakia: US$1k
- Honduras: US$800
- Hungary: US$800
- Andorra: US$600
- Belarus: US$200
Trade value (US$) no reported trade < US$78kUS$78k+US$389k+US$2m+> US$4m
Imports: 137
- United States: US$19m
- Spain: US$12m
- Japan: US$11m
- Germany: US$5m
- India: US$4m
- Belgium: US$4m
- China: US$3m
- Netherlands: US$3m
- Brazil: US$3m
- France: US$2m
- Mexico: US$2m
- South Korea: US$2m
- Italy: US$2m
- Türkiye: US$2m
- Indonesia: US$2m
- Finland: US$2m
- Colombia: US$1m
- Vietnam: US$1m
- Israel: US$1m
- Argentina: US$1m
- Thailand: US$1m
- Canada: US$1m
- United Kingdom: US$1m
- Poland: US$985k
- Taiwan: US$884k
- Malaysia: US$626k
- South Africa: US$600k
- Sweden: US$529k
- Russia: US$524k
- Austria: US$515k
- Slovenia: US$506k
- United Arab Emirates: US$449k
- Romania: US$401k
- Australia: US$389k
- Philippines: US$385k
- Peru: US$371k
- Egypt: US$356k
- Uruguay: US$345k
- Costa Rica: US$335k
- Singapore: US$303k
- Chile: US$290k
- Bangladesh: US$243k
- Denmark: US$234k
- Switzerland: US$223k
- Côte d’Ivoire: US$219k
- Paraguay: US$218k
- Nigeria: US$192k
- Hungary: US$192k
- Hong Kong SAR China: US$183k
- Ecuador: US$183k
- Pakistan: US$180k
- New Zealand: US$177k
- Ireland: US$153k
- Guatemala: US$152k
- Dominican Republic: US$149k
- Czechia: US$121k
- Sri Lanka: US$115k
- Greece: US$105k
- Tunisia: US$101k
- Portugal: US$98k
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$41m | 40.5% |
| 2 | United States | US$11m | 10.4% |
| 3 | Taiwan | US$8m | 8.1% |
| 4 | Spain | US$6m | 5.6% |
| 5 | Netherlands | US$5m | 5.2% |
| 6 | India | US$4m | 4.1% |
| 7 | Italy | US$4m | 3.8% |
| 8 | Belgium | US$3m | 3% |
| 9 | Germany | US$3m | 3% |
| 10 |  Portugal | US$2m | 2.4% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$19m | 18.9% |
| 2 | Spain | US$12m | 11.8% |
| 3 | Japan | US$11m | 10.4% |
| 4 | Germany | US$5m | 4.7% |
| 5 | India | US$4m | 3.9% |
| 6 | Belgium | US$4m | 3.8% |
| 7 | China | US$3m | 3.4% |
| 8 | Netherlands | US$3m | 3.3% |
| 9 | Brazil | US$3m | 3.2% |
| 10 |  France | US$2m | 2.3% |
Import duty on this product around the world 165
The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.
- 5%median duty
- 62number of duty-free countries (MFN)
- 45%highest: Bahamas, Bermuda, Cayman Islands
165
| Importing country | MFN duty | lines from – to | data year |
|---|---|---|---|
 Afghanistan | 5% | 2018 · HS 2012 | |
 Albania | 0% | 2023 | |
 Algeria | 15% | 2023 | |
 Angola | 0% | 2023 · HS 2017 | |
 Anguilla | 10% | 2021 · HS 2017 | |
 Antigua & Barbuda | 5% | 2021 · HS 2007 | |
| Argentina | 5% | 2% – 14% | 2023 · HS 2017 |
 Armenia | 5% | 2023 | |
 Aruba | 6% | 2021 · HS 2012 | |
 Australia | 0% | 2023 | |
 Azerbaijan | 0% | 2023 · HS 2017 | |
 Bahamas | 45% | 2022 | |
 Bahrain | 5% | 2023 | |
 Bangladesh | 5% | 2023 · HS 2017 | |
 Barbados | 5% | 2022 · HS 2017 | |
 Belarus | 5% | 2021 · HS 2017 | |
 Belize | 5% | 2023 | |
 Benin | 5% | 2023 | |
 Bermuda | 25% | 2023 | |
 Bhutan | 10% | 2022 | |
 Bolivia | 5% | 2023 · HS 2017 | |
 Bosnia & Herzegovina | 0% | 2022 | |
 Botswana | 0% | 2023 | |
| Brazil | 5% | 2% – 14% | 2023 · HS 2017 |
 Brunei | 0% | 2023 · HS 2017 | |
 Burkina Faso | 5% | 2023 | |
 Burundi | 0% | 2023 | |
 Cambodia | 7% | 2023 · HS 2017 | |
 Cameroon | 10% | 2023 | |
| Canada | 0% | 2023 | |
 Cape Verde | 0% | 2023 · HS 2017 | |
 Cayman Islands | 22% | 2021 · HS 2002 | |
 Central African Republic | 10% | 2023 | |
 Chad | 10% | 2023 | |
 Chile | 6% | 2023 · HS 2017 | |
| China | 6.5% | 2023 | |
 Colombia | 0% | 2023 · HS 2017 | |
 Comoros | 20% | 2021 · HS 2017 | |
 Congo - Brazzaville | 10% | 2023 | |
 Cook Islands | 0% | 2022 · HS 2017 | |
 Costa Rica | 0% | 2023 | |
 Côte d’Ivoire | 5% | 2023 · HS 2017 | |
 Cuba | 10% | 2023 · HS 2017 | |
 Dominica | 5% | 2023 · HS 2017 | |
 Dominican Republic | 0% | 2023 | |
 Ecuador | 0% | 2023 · HS 2017 | |
 Egypt | 2% | 2019 · HS 2017 | |
 El Salvador | 0% | 2022 | |
 Equatorial Guinea | 10% | 2023 | |
 Eswatini | 0% | 2023 | |
 Ethiopia | 10% | 2021 · HS 2017 | |
| European Union (27 countries) | 6.5% | 2023 | |
 Fiji | 5% | 2023 | |
 French Polynesia | 8% | 2023 | |
 Gabon | 10% | 2023 | |
 Gambia | 5% | 2023 | |
 Georgia | 0% | 2022 · HS 2017 | |
 Ghana | 5% | 2023 | |
 Gibraltar | 12% | 2023 · HS 2017 | |
 Grenada | 5% | 2023 · HS 2012 | |
 Guatemala | 0% | 2023 | |
 Guinea | 5% | 2023 | |
 Guinea-Bissau | 5% | 2023 | |
 Guyana | 5% | 2023 · HS 2017 | |
 Haiti | 3.5% | 2020 · HS 2017 | |
 Honduras | 0% | 2023 | |
 Hong Kong SAR China | 0% | 2023 | |
 Iceland | 0% | 2023 | |
| India | 7.5% | 2023 | |
 Indonesia | 0% | 2023 | |
 Iran | 5% | 2020 · HS 2017 | |
 Israel | 0% | 2022 · HS 2017 | |
 Jamaica | 0% | 2023 | |
| Japan | 0.8% | 0% – 1.6% | 2023 |
 Jordan | 0% | 2023 | |
 Kazakhstan | 5% | 2023 | |
 Kenya | 0% | 2023 | |
 Kiribati | 0% | 2023 · HS 2002 | |
 Kuwait | 5% | 2023 | |
 Kyrgyzstan | 5% | 2021 · HS 2017 | |
 Laos | 5% | 2023 · HS 2017 | |
 Lebanon | 0% | 2020 · HS 2017 | |
 Lesotho | 0% | 2023 | |
 Liberia | 5% | 2023 | |
 Libya | 5% | 2021 · HS 2017 | |
 Liechtenstein | 0% | 2021 · HS 2017 | |
 Macao SAR China | 0% | 2023 | |
 Madagascar | 5% | 2023 | |
 Malawi | 0% | 2021 · HS 2017 | |
 Malaysia | 0% | 2023 | |
 Maldives | 15% | 2023 | |
 Mali | 5% | 2023 | |
 Mauritania | 5% | 2023 · HS 2017 | |
 Mauritius | 0% | 2023 | |
| Mexico | 0% | 2023 · HS 2017 | |
 Micronesia | 4% | 2021 · HS 2017 | |
 Moldova | 6.5% | 2023 · HS 2017 | |
 Mongolia | 5% | 2023 | |
 Montserrat | 0% | 2023 · HS 2017 | |
 Morocco | 2.5% | 2023 | |
 Mozambique | 2.5% | 2023 | |
 Myanmar (Burma) | 3% | 2023 · HS 2017 | |
 Namibia | 0% | 2023 | |
 Nauru | 10% | 2021 · HS 2017 | |
 Nepal | 10% | 2023 | |
| New Zealand | 0% | 2023 | |
 Nicaragua | 0% | 2023 | |
 Niger | 5% | 2023 | |
| Nigeria | 5% | 2023 | |
| North Macedonia | 5% | 2023 | |
| Norway | 0% | 2023 | |
 Oman | 5% | 2023 | |
 Pakistan | 0% | 2023 | |
 Palau | 3% | 2023 · HS 2012 | |
 Palestinian Territories | 0% | 2017 · HS 2017 | |
 Panama | 0% | 2023 | |
 Papua New Guinea | 0% | 2023 | |
 Paraguay | 5% | 2% – 14% | 2023 · HS 2017 |
| Peru | 0% | 2023 · HS 2017 | |
 Philippines | 3% | 2023 | |
 Qatar | 5% | 2023 | |
 Russia | 5% | 2021 · HS 2017 | |
 Rwanda | 0% | 2023 | |
 Samoa | 8% | 2020 · HS 2017 | |
 São Tomé & Príncipe | 10% | 2019 · HS 2017 | |
 Saudi Arabia | 5% | 2023 | |
 Senegal | 5% | 2023 | |
 Seychelles | 0% | 2023 | |
 Sierra Leone | 5% | 2023 | |
 Singapore | 0% | 2023 · HS 2017 | |
 Solomon Islands | 5% | 2023 · HS 2017 | |
 Somalia | 5% | 2023 · HS 2017 | |
 South Africa | 0% | 2023 | |
 South Korea | 6.5% | 2023 | |
 Sri Lanka | 0% | 2023 | |
 St Kitts & Nevis | 0% | 2023 | |
 St Lucia | 5% | 2023 · HS 2012 | |
 St Pierre & Miquelon | 8% | 2021 · HS 2017 | |
 St Vincent & the Grenadines | 5% | 2023 | |
 Sudan | 3% | 2021 · HS 2017 | |
 Suriname | 5% | 2023 · HS 2007 | |
| Switzerland | 0% | 2023 | |
 Syria | 1% | 2020 · HS 2012 | |
 Tajikistan | 0% | 2021 · HS 2012 | |
 Tanzania | 0% | 2023 | |
 Thailand | 0% | 2023 | |
 Togo | 5% | 2023 | |
 Tonga | 15% | 2023 · HS 2017 | |
 Trinidad & Tobago | 0% | 2023 · HS 2012 | |
| Türkiye | 6.5% | 2023 | |
 Tuvalu | 0% | 2017 · HS 2017 | |
 Uganda | 0% | 2023 | |
 Ukraine | 6.5% | 2023 · HS 2017 | |
 United Arab Emirates | 5% | 2023 | |
| United Kingdom | 4.8% | 0% – 6% | 2023 |
| United States | 6.5% | 2023 | |
 Uruguay | 5% | 2% – 14% | 2023 · HS 2017 |
 Uzbekistan | 0% | 2021 · HS 2017 | |
 Vanuatu | 5% | 2023 | |
 Venezuela | 5% | 2% – 14% | 2023 · HS 2017 |
 Vietnam | 0% | 2023 | |
 Wallis & Futuna | 6% | 2021 · HS 2012 | |
 Yemen | 5% | 2017 · HS 2017 | |
 Zambia | 0% | 2023 | |
 Zimbabwe | 0.1% | 2023 |
Tariff data years 2017–2023; rates may have changed since. · UNCTAD TRAINS, accessed via WITS (World Bank)
Classifications and correspondences
Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.
- SITC Rev. 4
- 51572 Hydantoin & its derivatives
- End use (BEC Rev. 5)
- Intermediate goods · BEC 211220
- CPC 2.1 product
- 35230 Lactones n.e.c., heterocyclic compounds with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring, a pyrimidine ring, a piperazine ring, an unfused triazine ring or a phenothiazine ring system not further fused; hydantoin and its derivatives; sulphonamides
- ISIC Rev. 4 activity
- 2100 Manufacture of pharmaceuticals, medicinal chemical and botanical products
Earlier HS editions
| HS | Code | |
|---|---|---|
| 2017 | 2933.21 | unchanged |
| 2012 | 2933.21 | changed |
| 2007 | 2933.21 | changed |
| 2002 | 2933.21 | changed |
| 1996 | 2933.21 | changed |
| 1992 | 2933.21 | changed |
Correspondence tables of the United Nations Statistics Division (UNSD)
Recent rule changes mentioning this code
Acts whose text cites this code or its heading. Check the act itself: a code can be cited for reasons other than a change of its duty.
- Tariff change
FR Doc. 2026-19498 · 91 FR 60360 · Source: federalregister.gov
- Import and export controls
FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov
- Tariff change
FR Doc. 2026-11158 · 91 FR 33854 · Source: federalregister.gov
The UK Global Tariff divides subheading 2933.21 into 6 tariff lines; the duty is between 0% and 6% (average 5%). 1 of them is duty-free.
Subheading 2933.21 is a single line in the EU Combined Nomenclature, where the duty is 6.5%.
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 Free – 6%.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of these goods into the UK came to £935.1k between September 2025 and August 2026 (down 7% on the year before); China supplied 45%, followed by United States.
In 2024, countries exported these goods worth US$101m (+0.9% year on year).
The largest exporter was China (US$41m), followed by the United States.
Questions and answers
What is the HS code for hydantoin and its derivatives?
Hydantoin and its derivatives fall under HS subheading 2933.21, part of heading 2933, in section VI of the Harmonized System.
What is the import duty on hydantoin and its derivatives in the UK?
Under the UK Global Tariff, imports under 2933.21 from countries without a preferential agreement are charged at 0% to 6%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on hydantoin and its derivatives in the EU?
Under the EU Combined Nomenclature, imports under 2933.21 from countries without a preferential agreement are charged at 6.5%. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most hydantoin and its derivatives?
China, with US$41m in 2024 (40.5% of world exports).
Which countries can export these goods to the UK duty-free?
174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free – 6% applies. Pick a country above to see its rate.
Is there anti-dumping duty on these goods?
The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.
Where does the UK import these goods from?
In the 12 months to August 2026, the largest suppliers were China (45%), United States (33%) and Netherlands (12%), out of total imports of £935.1k.