Subheading · Chapter 28 · Heading 2833
2833.29: Sulphates; alums; peroxosulphates (persulphates): other sulphates, other
Other sulphates
Official description Other
2833.29 is the HS subheading for other sulphates, under heading 2833 in chapter 28.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 2833 29 00 00 Other
- 2833 29 20 00 Of cadmium; of chromium; of zinc 4%+3
- 2833 29 30 00 Of cobalt; of titanium 4%+3
- 2833 29 60 00 Of lead 4%+3
- 2833 29 80 00 Other
- 2833 29 80 20 Manganese sulphate monohydrate (cas rn 10034-96-5) 4%+4
- 2833 29 80 40 Caesium sulphate (cas rn 10294-54-9) in solid form or as aqueous solution containing by weight 48% or more but not more than 52% of caesium sulphate 4%+4
- 2833 29 80 80 Other 4%+4
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 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 suspensionAutonomous tariff suspension Free
- Applies to goods from
- all countries
- In force
- until 31 December 2028
- Legal act
- 2020 No. 1435
- Documents
- 9Y12
- Tariff lines
- on 3 of 6 lines
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
- Ukraine
- Legal act
- S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
- Import controlImport control on restricted goods and technologies
- Applies to goods from
- Iran, North Korea
- Legal act
- S.I. 2019/461, S.I. 2019/411
- 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)
- Y920 Goods other than those described in the footnotes linked to the measure
- 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) | — | 4% |
| 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–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–XC agreement | XC | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–XL agreement | XL | Free |
| UK–South Africa agreement | South Africa | Free |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 Germany | £5.2m | 28.7% | +111.5% |
 China | £5m | 27.6% | -4.8% |
 Finland | £2.1m | 11.6% | +151.6% |
 Norway | £1.9m | 10.7% | -15.1% |
 India | £1.5m | 8.1% | -2.4% |
 Mexico | £806k | 4.5% | -23.4% |
 Türkiye | £493k | 2.7% | -0.7% |
 Spain | £238k | 1.3% | -24.8% |
Same subheading in other tariffs
EU 4.6% – 5.5% Third-country duty 4 tariff lines · average 5.1% Türkiye 15% – 50% Statutory rate (Law 474) 8 tariff lines · average 33.1% 
USA Free – 5.5% General (MFN) 6 tariff lines · average 2.7% The Turkish schedule prints the statutory rate set under Customs Law 474. The rate applied at import is laid down in the Import Regime Decision and can be lower, or different by country of origin.
World trade in 2024
Trade value (US$) no reported trade < US$1.4mUS$1.4m+US$9m+US$37.8m+> US$114.1m
Exports: 103
- China: US$438.7m
- Taiwan: US$117.8m
- Mexico: US$114.1m
- Germany: US$95.2m
- India: US$74.2m
- Chile: US$71m
- Finland: US$57.7m
- South Korea: US$48.5m
- Türkiye: US$38.9m
- United States: US$37.8m
- Netherlands: US$30.8m
- Canada: US$24.4m
- Spain: US$23.3m
- South Africa: US$23.2m
- Czechia: US$22.9m
- France: US$18.7m
- Italy: US$18.1m
- Indonesia: US$17.6m
- Poland: US$17.3m
- Norway: US$15.7m
- Belgium: US$12.8m
- Russia: US$11.4m
- Slovakia: US$9.5m
- Japan: US$9.5m
- Sweden: US$9m
- Vietnam: US$7.7m
- Colombia: US$6.8m
- Ireland: US$6.8m
- Kazakhstan: US$6.7m
- Malaysia: US$6.5m
- United Kingdom: US$5.9m
- Peru: US$5.4m
- Romania: US$5.4m
- Serbia: US$5.3m
- Cambodia: US$5m
- Brazil: US$4.7m
- Thailand: US$4.5m
- Laos: US$3.9m
- Uruguay: US$3.7m
- Singapore: US$3.2m
- Kyrgyzstan: US$2.5m
- Portugal: US$2.4m
- Philippines: US$2.2m
- Denmark: US$2.2m
- Austria: US$2.1m
- Switzerland: US$2m
- Hong Kong SAR China: US$1.9m
- Zambia: US$1.6m
- Uzbekistan: US$1.4m
- Ukraine: US$1.3m
- Estonia: US$1.1m
- Luxembourg: US$1.1m
- Hungary: US$984.9k
- Iran: US$656.5k
- Slovenia: US$563.8k
- Bulgaria: US$525.2k
- United Arab Emirates: US$509.3k
- Lithuania: US$500.2k
- Guatemala: US$468.6k
- Greece: US$444.9k
Trade value (US$) no reported trade < US$657.1kUS$657.1k+US$7.3m+US$15.6m+> US$50.1m
Imports: 185
- China: US$214.5m
- United States: US$182.6m
- Japan: US$126.2m
- Brazil: US$75m
- Germany: US$54.2m
- Netherlands: US$50.1m
- Italy: US$40.6m
- Canada: US$30.7m
- France: US$30.7m
- Australia: US$30.5m
- United Kingdom: US$23.6m
- South Korea: US$23.5m
- Poland: US$21.3m
- Belgium: US$19m
- Argentina: US$18.4m
- Switzerland: US$16.8m
- Bangladesh: US$16m
- Vietnam: US$15.7m
- Peru: US$15.6m
- Malaysia: US$15.6m
- Denmark: US$15.1m
- Mexico: US$14.9m
- Indonesia: US$14.5m
- Thailand: US$14.3m
- Sweden: US$14.2m
- Austria: US$13.9m
- Russia: US$13.9m
- Pakistan: US$13.5m
- Türkiye: US$13.5m
- Taiwan: US$13m
- South Africa: US$12.6m
- Spain: US$12.5m
- Greece: US$12.1m
- Egypt: US$12.1m
- Colombia: US$10.9m
- Romania: US$10.6m
- Chile: US$10.4m
- Singapore: US$9.3m
- Kazakhstan: US$9.2m
- Philippines: US$8.4m
- Saudi Arabia: US$8.3m
- Slovakia: US$8.2m
- India: US$8m
- New Zealand: US$7.8m
- Ecuador: US$7.6m
- Ukraine: US$7.3m
- Cuba: US$7.2m
- Hungary: US$7.1m
- Israel: US$6.9m
- Lithuania: US$6.9m
- Morocco: US$6.4m
- United Arab Emirates: US$6.3m
- Norway: US$5.9m
- Ireland: US$5.1m
- Finland: US$4.9m
- Congo - Kinshasa: US$4.5m
- Bulgaria: US$4.5m
- Czechia: US$4.3m
- Costa Rica: US$4.3m
- Paraguay: US$4m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$438.7m | 29.9% |
| 2 |  Taiwan | US$117.8m | 8% |
| 3 | Mexico | US$114.1m | 7.8% |
| 4 | Germany | US$95.2m | 6.5% |
| 5 | India | US$74.2m | 5.1% |
| 6 |  Chile | US$71m | 4.8% |
| 7 | Finland | US$57.7m | 3.9% |
| 8 |  South Korea | US$48.5m | 3.3% |
| 9 | Türkiye | US$38.9m | 2.7% |
| 10 | United States | US$37.8m | 2.6% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$214.5m | 14.6% |
| 2 | United States | US$182.6m | 12.4% |
| 3 |  Japan | US$126.2m | 8.6% |
| 4 |  Brazil | US$75m | 5.1% |
| 5 | Germany | US$54.2m | 3.7% |
| 6 |  Netherlands | US$50.1m | 3.4% |
| 7 |  Italy | US$40.6m | 2.8% |
| 8 |  Canada | US$30.7m | 2.1% |
| 9 |  France | US$30.7m | 2.1% |
| 10 |  Australia | US$30.5m | 2.1% |
In the UK Global Tariff, subheading 2833.29 covers 6 tariff lines and the duty is 4%.
The EU Combined Nomenclature divides subheading 2833.29 into 4 tariff lines; the duty is between 4.6% and 5.5% (average 5.1%).
Goods from 175 countries can enter the UK at a preferential rate instead of the standard 4%; 175 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 other sulphates worth £18.1m (up 5% on the year before), at an average of £0.20 per kg; Germany supplied 29%, followed by China.
World trade in other sulphates reached US$1.5bn in 2024, down 29.1% on 2023.
China was the largest exporter with 29.9% of the total, ahead of Taiwan.
Questions and answers
What is the HS code for sulphates; alums; peroxosulphates (persulphates): other sulphates, other?
Sulphates; alums; peroxosulphates (persulphates): other sulphates, other fall under HS subheading 2833.29, part of heading 2833, in section VI of the Harmonized System.
What is the import duty on sulphates; alums; peroxosulphates (persulphates)… in the UK?
Under the UK Global Tariff, imports under 2833.29 from countries without a preferential agreement are charged at 4%. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on sulphates; alums; peroxosulphates (persulphates)… in the EU?
Under the EU Combined Nomenclature, imports under 2833.29 from countries without a preferential agreement are charged at 4.6% to 5.5%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most sulphates; alums; peroxosulphates (persulphates)…?
China, with US$438.7m in 2024 (29.9% of world exports).
Which countries can export other sulphates to the UK duty-free?
175 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 4% applies. Pick a country above to see its rate.
Is there anti-dumping duty on other sulphates?
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 other sulphates from?
In the 12 months to August 2026, the largest suppliers were Germany (29%), China (28%) and Finland (12%), out of total imports of £18.1m.