Subheading · Chapter 38 · Heading 3825
3825.90: Residual products of the chemical or allied industries: other
Official description Other
3825.90 is a six-digit subheading of heading 3825, residual products of the chemical or allied industries, chapter 38.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 3825 90 00 00 Other
- 3825 90 10 00 Alkaline iron oxide for the purification of gas Free
- 3825 90 90 00 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 1
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2023 No. 1203
- Documents
- 9062
Import requirements 2
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Ukraine
- Legal act
- S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
- Import controlImport control - Waste
- Applies to goods from
- all countries
- Legal act
- S.I. 2019/590
- Documents
- C672 Information document accompanying shipments of waste as mentioned in Regulation (EU) 2024/1157 – Article 18 and Annex VII
- C669 Notification document as mentioned in Regulation (EU) 2024/1157 - Article 5 and Annex IA
- Y923 Product not subjected to the provisions of Regulation (EU) 2024/1157
- C670 Movement document as mentioned in Regulation (EU) 2024/1157 – Article 5 and Annex IB
- Tariff lines
- on 1 of 2 lines
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| 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 | £177k | 63.7% | +8% |
 United States | £44k | 15.9% | +428.2% |
 Ireland | £22k | 7.9% | +495.2% |
 Austria | £21k | 7.4% | — |
 France | £6k | 2.3% | +598.8% |
 Netherlands | £4k | 1.5% | — |
 Belgium | £1k | 0.5% | — |
 Czechia | £1k | 0.5% | — |
Same subheading in other tariffs
EU
TürkiyeWorld trade in 2024
Trade value (US$) no reported trade < US$46.9kUS$46.9k+US$824.3k+US$2.2m+> US$11.5m
Exports: 102
- India: US$16m
- China: US$12.4m
- Latvia: US$11.5m
- Poland: US$6.4m
- Netherlands: US$5.5m
- United Kingdom: US$3.6m
- Vietnam: US$3.5m
- Thailand: US$2.2m
- Canada: US$2.2m
- Taiwan: US$1.8m
- United States: US$1.8m
- Mexico: US$1.8m
- Italy: US$1.6m
- Slovakia: US$1.3m
- Indonesia: US$1.2m
- France: US$1.2m
- Sweden: US$1.1m
- Germany: US$1.1m
- Belgium: US$926.1k
- Switzerland: US$882.7k
- Austria: US$875.5k
- Czechia: US$824.3k
- Spain: US$714.4k
- Japan: US$552.4k
- Denmark: US$471.9k
- Israel: US$224.2k
- Lithuania: US$208.5k
- Argentina: US$191k
- Estonia: US$190.3k
- Algeria: US$175.1k
- Panama: US$169.5k
- Ireland: US$167.3k
- Australia: US$162.8k
- Malaysia: US$153.6k
- South Africa: US$143.6k
- Türkiye: US$127.5k
- Brazil: US$113k
- Tunisia: US$80.4k
- Singapore: US$70.9k
- Norway: US$64.3k
- Romania: US$62.8k
- Russia: US$57.9k
- Saudi Arabia: US$51.9k
- Mauritius: US$46.9k
- Kazakhstan: US$39.2k
- Peru: US$31.5k
- Portugal: US$28.6k
- Bermuda: US$26.6k
- Greece: US$24.5k
- North Macedonia: US$24.3k
- South Korea: US$22.2k
- Hong Kong SAR China: US$22k
- Croatia: US$18.4k
- Marshall Islands: US$12.6k
- New Zealand: US$12.4k
- Barbados: US$11.5k
- Albania: US$10.7k
- Slovenia: US$10.6k
- Tuvalu: US$9.7k
- Belarus: US$9.5k
Trade value (US$) no reported trade < US$29.2kUS$29.2k+US$297.7k+US$1.5m+> US$5.7m
Imports: 124
- United States: US$25.3m
- Germany: US$7.6m
- Ukraine: US$6.2m
- Spain: US$5.7m
- Japan: US$4.8m
- Thailand: US$3.8m
- Italy: US$3.7m
- China: US$3.5m
- South Korea: US$2.8m
- Netherlands: US$2m
- Belgium: US$1.6m
- Austria: US$1.5m
- France: US$1.4m
- Portugal: US$1.3m
- Latvia: US$1.1m
- Türkiye: US$1m
- Sweden: US$980.8k
- Switzerland: US$882.8k
- Canada: US$636.7k
- Lithuania: US$631.6k
- Vietnam: US$487.6k
- Hong Kong SAR China: US$486.1k
- Norway: US$479.6k
- Tanzania: US$463k
- Taiwan: US$409.4k
- Poland: US$371.2k
- Czechia: US$348.4k
- Zimbabwe: US$335.7k
- Australia: US$304.4k
- Pakistan: US$297.7k
- Bulgaria: US$285.8k
- United Kingdom: US$279.2k
- India: US$261.3k
- Singapore: US$196.6k
- United Arab Emirates: US$187.8k
- Hungary: US$174.4k
- Denmark: US$164.6k
- Malaysia: US$164k
- Israel: US$147.5k
- Ireland: US$123.4k
- Russia: US$113.4k
- Philippines: US$108.6k
- Cambodia: US$108.2k
- Bahamas: US$89k
- Botswana: US$70.7k
- New Zealand: US$69.6k
- Guyana: US$65.6k
- Kazakhstan: US$64.6k
- Greece: US$64.3k
- Qatar: US$61.4k
- North Macedonia: US$54k
- Finland: US$53.2k
- Fiji: US$51.3k
- Senegal: US$50.2k
- Mexico: US$44k
- Tunisia: US$42.2k
- Panama: US$33.3k
- Iceland: US$30.9k
- Colombia: US$30.1k
- Morocco: US$29.2k
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  India | US$16m | 19% |
| 2 | China | US$12.4m | 14.7% |
| 3 |  Latvia | US$11.5m | 13.6% |
| 4 |  Poland | US$6.4m | 7.6% |
| 5 | Netherlands | US$5.5m | 6.6% |
| 6 | United Kingdom | US$3.6m | 4.3% |
| 7 |  Vietnam | US$3.5m | 4.1% |
| 8 |  Thailand | US$2.2m | 2.6% |
| 9 |  Canada | US$2.2m | 2.6% |
| 10 |  Taiwan | US$1.8m | 2.2% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$25.3m | 30.1% |
| 2 |  Germany | US$7.6m | 9% |
| 3 |  Ukraine | US$6.2m | 7.4% |
| 4 |  Spain | US$5.7m | 6.8% |
| 5 |  Japan | US$4.8m | 5.7% |
| 6 | Thailand | US$3.8m | 4.5% |
| 7 |  Italy | US$3.7m | 4.4% |
| 8 | China | US$3.5m | 4.2% |
| 9 |  South Korea | US$2.8m | 3.4% |
| 10 | Netherlands | US$2m | 2.4% |
Binding rulings for similar goods 1
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.
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The Tariff Classification of Urine Samples from Brazil
In the UK Global Tariff, subheading 3825.90 covers 2 tariff lines and the duty is duty-free.
The EU Combined Nomenclature divides subheading 3825.90 into 2 tariff lines; the duty is between 5% and 6.5% (average 5.8%).
Goods from 174 countries can enter the UK at a preferential rate instead of the standard Free; 174 of them pay no duty at all, for example under DCTS Comprehensive or European Union.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
In the 12 months to August 2026, the UK imported these goods worth £277.8k (up 3% on the year before), at an average of £1.41 per kg; China supplied 64%, followed by United States.
World trade in these goods reached US$84.2m in 2024, down 10.7% on 2023.
India was the largest exporter with 19% of the total, ahead of China.
Products classified here
Questions and answers
What is the HS code for residual products of the chemical or allied industries: other?
Residual products of the chemical or allied industries: other fall under HS subheading 3825.90, part of heading 3825, in section VI of the Harmonized System.
What is the import duty on residual products of the chemical or allied… in the UK?
Under the UK Global Tariff, imports under 3825.90 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on residual products of the chemical or allied… in the EU?
Under the EU Combined Nomenclature, imports under 3825.90 from countries without a preferential agreement are charged at 5% to 6.5%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most residual products of the chemical or allied…?
India, with US$16m in 2024 (19% 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 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 (64%), United States (16%) and Ireland (8%), out of total imports of £277.8k.