UK Global Tariff · commodity code · HS 2825.90
2825 90 11 00: Calcium hydroxide of a purity of 98% or more calculated on the dry weight, in the form of particles of which: - not more than 1% by weight have a particle-size exceeding 75 micrometres and - not more than 4% by weight have a particle-size of less than 1.3 micrometres
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 2825 Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides
- 2825 90 00 00 Other
- Calcium oxide, hydroxide and peroxide
- 2825 90 11 00 Calcium hydroxide of a purity of 98% or more calculated on the dry weight, in the form of particles of which: - not more than 1% by weight have a particle-size exceeding 75 micrometres and - not more than 4% by weight have a particle-size of less than 1.3 micrometres
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 1
- 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 4
- Prohibition or restrictionImport prohibition
- Applies to goods from
- North Korea
- Legal act
- S.I. 2019/411
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Russia, Ukraine
- Legal act
- 2022 No.998, S.I. 2022/395
- Documents
- 9015
- 9016
- 9009
- 9010
- 9017
- Import controlImport control on restricted goods and technologies
- Applies to goods from
- Iran
- Legal act
- S.I. 2019/461
- Documents
- Y966 Goods other than those described in the MG footnotes linked to the measure (Missile Technology Control Regime list - Annex III of Reg. (EU) 267/2012)
- 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
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 |
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 2825.90
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 United States | £1.8m | 36.2% | +45.9% |
 Germany | £581k | 11.7% | -21.1% |
 China | £517k | 10.4% | +37.9% |
 Brazil | £383k | 7.7% | +581.4% |
| United Kingdom | £372k | 7.5% | +393.5% |
 Ireland | £363k | 7.3% | +4.8% |
 Italy | £344k | 6.9% | +67.6% |
 Hong Kong SAR China | £257k | 5.2% | +69.2% |
Same subheading in other tariffs
2825.90 Hydrazine and hydroxylamine and their inorganic salts: other
EU Free – 5.5% Third-country duty 6 tariff lines · average 3.3% 
Türkiye Free – 5.5% Third-country duty 9 tariff lines · average 3.9% USA Free – 5.5% General (MFN) 6 tariff lines · average 3.5% 
Canada Free Third-country duty 1 tariff line 
Mexico Free Third-country duty 1 tariff line Brazil Free Third-country duty 3 tariff lines 
Argentina Free Third-country duty 5 tariff lines 
Peru Free Third-country duty 4 tariff lines 
New Zealand Free Third-country duty 1 tariff line 
Japan Free – 3.3% Third-country duty 3 tariff lines · average 1.1% 
Taiwan Free – 2.5% Third-country duty 3 tariff lines · average 0.8% 
GCC 5% Third-country duty 9 tariff lines 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia Free Third-country duty 6 tariff lines 
Nigeria 5% Third-country duty 1 tariff line UK lines: 2825.90
- 2825 90 11 00Calcium hydroxide of a purity of 98% or more calculated on the dry weight, in the form of particles of which: - not more than 1% by weight have a particle-size exceeding 75 micrometres and - not more than 4% by weight have a particle-size of less than 1.3 micrometres
- 2825 90 19 00Calcium oxide, hydroxide and peroxide: other
- 2825 90 20 00Beryllium oxide and hydroxide
- 2825 90 40 30Tungsten trioxide, including blue tungsten oxide (cas rn 1314-35-8 or cas rn 39318-18-8)
- 2825 90 40 80Tungsten oxides and hydroxides: other
- 2825 90 60 00Hydrazine and hydroxylamine and their inorganic salts: other, cadmium oxide
- 2825 90 85 10Tin oxides and hydroxides
- 2825 90 85 90Hydrazine and hydroxylamine and their inorganic salts: 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.
- N321599 U.S. CBP
The tariff classification of Nickel Cobalt Manganese Hydroxide from South Korea
- N319006 U.S. CBP
The tariff classification of “Tipaque Black SG-101” and “Tipaque Black SG-103” from Japan
- N306899 U.S. CBP
The tariff classification of evaporation materials from China
- N306455 U.S. CBP
The tariff classification of Titanium Oxide, Tantalum Oxide, Hafnium Oxide, and Zirconium Oxide from China
Legal notes
In the UK Global Tariff, 2825 90 11 00 is one of 8 lines under subheading 2825.90, hydrazine and hydroxylamine and their inorganic salts: other.
The third-country duty is free.
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 12 months to August 2026, the UK imported goods of subheading 2825.90 worth £5m (up 43% on the year before), at an average of £5.80 per kg; United States supplied 36%, followed by Germany.
For the same subheading, the EU duty is 0%–5.5%, the Türkiye duty is 0%–5.5%, the US duty is 0%–5.5%, the Canada duty is free, the Mexico duty is free, the Brazil duty is free, the Argentina duty is free, the Peru duty is free, the New Zealand duty is free, the Japan duty is 0%–3.3%, 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 2825.90 worth US$4m in 2024; the largest supplier was the United States.
Questions and answers
What is the UK import duty for commodity code 2825 90 11 00?
The third-country duty in the UK Global Tariff is free. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Which countries get a lower rate on 2825 90 11 00?
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.
Where does the UK import these goods from?
For subheading 2825.90 as a whole, the largest supplier in 2024 was the United States (US$2m).