Subheading · Chapter 28 · Heading 2815
2815.12: In aqueous solution (soda lye or liquid soda)
Caustic soda solution (soda lye)
2815.12 is the HS subheading for caustic soda solution (soda lye), under heading 2815 in chapter 28.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 2815 12 00 00 In aqueous solution (soda lye or liquid soda) 4%kg NaOH
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 2
- 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)
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
- 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) | — | 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–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 |
|---|---|---|---|
 France | £10.4m | 23.4% | +66.2% |
 Germany | £9m | 20.3% | -18.9% |
 Netherlands | £8.8m | 19.8% | +88.5% |
 United States | £8.6m | 19.4% | +194% |
 Belgium | £5.7m | 13% | -75.6% |
 Ireland | £806k | 1.8% | -42.6% |
 Poland | £613k | 1.4% | +62.7% |
 Switzerland | £98k | 0.2% | +95.1% |
Same subheading in other tariffs
EU 5.5% Third-country duty 1 tariff line 
Türkiye 5.5% Third-country duty 1 tariff line USA Free General (MFN) 1 tariff line 
Canada Free Third-country duty 1 tariff line 
Mexico Free Third-country duty 1 tariff line 
Brazil 7.2% Third-country duty 1 tariff line 
Argentina 7.2% Third-country duty 2 tariff lines 
Peru Free Third-country duty 1 tariff line 
New Zealand Free Third-country duty 1 tariff line 
Japan 5.3% Third-country duty 1 tariff line 
Taiwan 2.5% Third-country duty 1 tariff line 
GCC 5% Third-country duty 1 tariff line Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia 5% Third-country duty 1 tariff line 
Nigeria 5% Third-country duty 1 tariff line World trade in 2024
Trade value (US$) no reported trade < US$2mUS$2m+US$15m+US$108m+> US$434m
Exports: 109
- United States: US$1bn
- China: US$901m
- Germany: US$488m
- Japan: US$434m
- Netherlands: US$339m
- Belgium: US$301m
- Taiwan: US$295m
- South Korea: US$216m
- France: US$166m
- Norway: US$164m
- Qatar: US$108m
- Saudi Arabia: US$105m
- Hungary: US$103m
- Egypt: US$87m
- India: US$85m
- Romania: US$81m
- Poland: US$77m
- Italy: US$76m
- Spain: US$51m
- Russia: US$39m
- Peru: US$38m
- Canada: US$37m
- Iran: US$28m
- Indonesia: US$25m
- Thailand: US$18m
- Slovakia: US$18m
- Pakistan: US$15m
- Austria: US$14m
- Portugal: US$14m
- Sweden: US$14m
- Switzerland: US$13m
- United Arab Emirates: US$13m
- Oman: US$12m
- Argentina: US$11m
- United Kingdom: US$9m
- Malaysia: US$8m
- Czechia: US$7m
- Jordan: US$7m
- Singapore: US$6m
- Greece: US$6m
- Ireland: US$6m
- Latvia: US$5m
- Lithuania: US$4m
- Mexico: US$4m
- Guatemala: US$3m
- Estonia: US$3m
- Colombia: US$3m
- Denmark: US$3m
- Bulgaria: US$3m
- Slovenia: US$3m
- Finland: US$2m
- Türkiye: US$2m
- Kuwait: US$2m
- South Africa: US$2m
- Brazil: US$2m
- Israel: US$1m
- Australia: US$938k
- Dominican Republic: US$654k
- Serbia: US$438k
- Costa Rica: US$348k
Trade value (US$) no reported trade < US$390kUS$390k+US$9m+US$64m+> US$216m
Imports: 208
- Australia: US$1bn
- Brazil: US$612m
- Indonesia: US$473m
- United States: US$281m
- Canada: US$227m
- Finland: US$221m
- Netherlands: US$216m
- Austria: US$206m
- Sweden: US$199m
- Italy: US$190m
- France: US$175m
- Germany: US$137m
- Türkiye: US$131m
- Chile: US$103m
- Belgium: US$101m
- Spain: US$87m
- Jamaica: US$79m
- Ireland: US$74m
- Taiwan: US$71m
- South Africa: US$65m
- United Kingdom: US$64m
- Czechia: US$62m
- Saudi Arabia: US$60m
- India: US$59m
- Uruguay: US$54m
- Switzerland: US$49m
- Mexico: US$45m
- Vietnam: US$43m
- Portugal: US$42m
- Malaysia: US$40m
- Greece: US$37m
- Singapore: US$37m
- Poland: US$36m
- Philippines: US$32m
- Denmark: US$32m
- Papua New Guinea: US$22m
- Guinea: US$21m
- Kenya: US$20m
- Colombia: US$19m
- New Zealand: US$18m
- Guatemala: US$16m
- Hungary: US$14m
- Norway: US$14m
- Israel: US$13m
- Bulgaria: US$13m
- Bosnia & Herzegovina: US$12m
- Thailand: US$12m
- Slovakia: US$12m
- Estonia: US$11m
- Slovenia: US$10m
- Dominican Republic: US$10m
- Honduras: US$9m
- Ukraine: US$8m
- Serbia: US$8m
- Lithuania: US$8m
- Latvia: US$8m
- Morocco: US$8m
- Côte d’Ivoire: US$7m
- South Korea: US$6m
- Nicaragua: US$6m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$1bn | 23.1% |
| 2 |  China | US$901m | 15.4% |
| 3 | Germany | US$488m | 8.4% |
| 4 | Japan | US$434m | 7.4% |
| 5 | Netherlands | US$339m | 5.8% |
| 6 | Belgium | US$301m | 5.2% |
| 7 | Taiwan | US$295m | 5.1% |
| 8 |  South Korea | US$216m | 3.7% |
| 9 | France | US$166m | 2.8% |
| 10 | Norway | US$164m | 2.8% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Australia | US$1bn | 18.7% |
| 2 | Brazil | US$612m | 10.5% |
| 3 |  Indonesia | US$473m | 8.1% |
| 4 | United States | US$281m | 4.8% |
| 5 | Canada | US$227m | 3.9% |
| 6 |  Finland | US$221m | 3.8% |
| 7 | Netherlands | US$216m | 3.7% |
| 8 |  Austria | US$206m | 3.5% |
| 9 |  Sweden | US$199m | 3.4% |
| 10 |  Italy | US$190m | 3.3% |
Import duty on this product around the world 163
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
- 45number of duty-free countries (MFN)
- 45%highest: Bahamas, Angola, Bangladesh
163
| Importing country | MFN duty | lines from – to | data year |
|---|---|---|---|
 Albania | 0% | 2023 | |
 Algeria | 15% | 2023 | |
 Angola | 30% | 2023 · HS 2017 | |
 Anguilla | 10% | 2021 · HS 2017 | |
 Antigua & Barbuda | 5% | 2021 · HS 2007 | |
| Argentina | 8% | 2023 · HS 2017 | |
 Armenia | 5.5% | 2023 | |
 Aruba | 12% | 2021 · HS 2012 | |
| Australia | 0% | 2023 | |
 Azerbaijan | 0% | 2023 · HS 2017 | |
 Bahamas | 45% | 2022 | |
 Bahrain | 5% | 2023 | |
 Bangladesh | 25% | 2023 · HS 2017 | |
 Barbados | 5% | 2022 · HS 2017 | |
 Belarus | 5.5% | 2021 · HS 2017 | |
 Belize | 5% | 2023 | |
 Benin | 5% | 2023 | |
 Bermuda | 25% | 2023 | |
 Bhutan | 10% | 2022 | |
 Bolivia | 5% | 2023 · HS 2017 | |
 Bosnia & Herzegovina | 5% | 2022 | |
 Botswana | 20% | 2023 | |
| Brazil | 8% | 2023 · HS 2017 | |
 Brunei | 0% | 2023 · HS 2017 | |
 Burkina Faso | 5% | 2023 | |
 Burundi | 0% | 2023 | |
 Cambodia | 0% | 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 | 5% | 2023 | |
 Colombia | 5% | 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 | 3% | 2023 · HS 2017 | |
 Dominica | 5% | 2023 · HS 2017 | |
 Dominican Republic | 0% | 2023 | |
 Ecuador | 0% | 2023 · HS 2017 | |
 Egypt | 5% | 2019 · HS 2017 | |
 El Salvador | 0% | 2022 | |
 Equatorial Guinea | 10% | 2023 | |
 Eswatini | 20% | 2023 | |
 Ethiopia | 5% | 2021 · HS 2017 | |
| European Union (27 countries) | 5.5% | 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 | 10% | 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 | 15% | 2023 | |
 Iran | 5% | 2020 · HS 2017 | |
 Israel | 0% | 2022 · HS 2017 | |
 Jamaica | 0% | 2023 | |
| Japan | 5.3% | 2023 | |
 Jordan | 0% | 2023 | |
 Kazakhstan | 5.5% | 2023 | |
 Kenya | 0% | 2023 | |
 Kiribati | 0% | 2023 · HS 2002 | |
 Kuwait | 5% | 2023 | |
 Kyrgyzstan | 5.5% | 2021 · HS 2017 | |
 Laos | 5% | 2023 · HS 2017 | |
 Lebanon | 0% | 2020 · HS 2017 | |
 Lesotho | 20% | 2023 | |
 Liberia | 5% | 2023 | |
 Libya | 5% | 2021 · HS 2017 | |
 Liechtenstein | 6.7%* | 2021 · HS 2017 | |
 Macao SAR China | 0% | 2023 | |
 Madagascar | 5% | 2023 | |
 Malawi | 0% | 2021 · HS 2017 | |
 Malaysia | 20% | 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 | 5.5% | 2023 · HS 2017 | |
 Mongolia | 5% | 2023 | |
 Montserrat | 15% | 2023 · HS 2017 | |
 Morocco | 10% | 2023 | |
 Mozambique | 2.5% | 2023 | |
 Myanmar (Burma) | 3% | 2023 · HS 2017 | |
 Namibia | 20% | 2023 | |
 Nauru | 10% | 2021 · HS 2017 | |
 Nepal | 5% | 2023 | |
| New Zealand | 0% | 2023 | |
 Nicaragua | 0% | 2023 | |
 Niger | 5% | 2023 | |
| Nigeria | 5% | 2023 | |
| North Macedonia | 5% | 2023 | |
| Norway | 0% | 2023 | |
 Oman | 5% | 2023 | |
 Palau | 3% | 2023 · HS 2012 | |
 Palestinian Territories | 0% | 2017 · HS 2017 | |
 Panama | 0% | 2023 | |
 Papua New Guinea | 0% | 2023 | |
 Paraguay | 8% | 2023 · HS 2017 | |
| Peru | 0% | 2023 · HS 2017 | |
 Philippines | 5% | 2023 | |
 Qatar | 5% | 2023 | |
 Russia | 5.5% | 2021 · HS 2017 | |
 Rwanda | 0% | 2023 | |
 Samoa | 8% | 2020 · HS 2017 | |
 São Tomé & Príncipe | 5% | 2019 · HS 2017 | |
 Saudi Arabia | 5.5% | 2023 | |
 Senegal | 5% | 2023 | |
 Seychelles | 0% | 2023 | |
 Sierra Leone | 5% | 2023 | |
 Singapore | 0% | 2023 · HS 2017 | |
 Solomon Islands | 10% | 2023 · HS 2017 | |
 Somalia | 5% | 2023 · HS 2017 | |
 South Africa | 20% | 2023 | |
| South Korea | 8% | 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 | 2.3%* | 2023 | |
 Syria | 1% | 2020 · HS 2012 | |
 Tajikistan | 20% | 2021 · HS 2012 | |
 Tanzania | 0% | 2023 | |
 Thailand | 3% | 2023 | |
 Togo | 5% | 2023 | |
 Tonga | 15% | 2023 · HS 2017 | |
 Trinidad & Tobago | 0% | 2023 · HS 2012 | |
| Türkiye | 5.5% | 2023 | |
 Tuvalu | 0% | 2017 · HS 2017 | |
 Uganda | 0% | 2023 | |
 Ukraine | 5.5% | 2023 · HS 2017 | |
 United Arab Emirates | 5% | 2023 | |
| United Kingdom | 4% | 2023 | |
| United States | 0% | 2023 | |
 Uruguay | 8% | 2023 · HS 2017 | |
 Uzbekistan | 5% | 2021 · HS 2017 | |
 Vanuatu | 0% | 2023 | |
 Venezuela | 8% | 2023 · HS 2017 | |
 Vietnam | 20% | 2023 | |
 Wallis & Futuna | 6% | 2021 · HS 2012 | |
 Yemen | 5% | 2017 · HS 2017 | |
 Zambia | 7.5% | 0% – 15% | 2023 |
 Zimbabwe | 0.1% | 2023 |
Tariff data years 2017–2023; rates may have changed since. * ad valorem equivalent of specific duties (UNCTAD estimate) · 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
- 52263 Sodium hydroxide in aqueous solution (soda lye/liquid soda)
- End use (BEC Rev. 5)
- Intermediate goods · BEC 211220
- CPC 2.1 product
- 34231 Chemical elements n.e.c.; inorganic acids except phosphoric, nitric and sulphonitric; inorganic oxygen compounds of boron, silicon and carbon; halogen or sulphur compounds of non-metals; sodium hydroxide; hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides of strontium or barium; aluminium hydroxide; hydrozine and hydroxylamine and their inorganic salts
- ISIC Rev. 4 activity
- 2011 Manufacture of basic chemicals
Earlier HS editions
| HS | Code | |
|---|---|---|
| 2017 | 2815.12 | unchanged |
| 2012 | 2815.12 | unchanged |
| 2007 | 2815.12 | unchanged |
| 2002 | 2815.12 | unchanged |
| 1996 | 2815.12 | unchanged |
| 1992 | 2815.12 | unchanged |
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.
- Anti-dumping · Applies from:
CELEX 32026R1854 · Source: eur-lex.europa.eu
- Import and export controls
FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov
- Anti-dumping · Applies from:
CELEX 32026R0916 · Source: eur-lex.europa.eu
- Sanctions · Applies from:
CELEX 32026R0513 · Source: eur-lex.europa.eu
- Anti-dumping · Applies from:
CELEX 32026R0319 · Source: eur-lex.europa.eu
- Anti-dumping · Applies from:
CELEX 32026R0099 · Source: eur-lex.europa.eu
Subheading 2815.12 is a single line in the UK Global Tariff, where the duty is 4%.
The EU Combined Nomenclature has one tariff line for subheading 2815.12; the duty is 5.5%.
Goods from 174 countries can enter the UK at a preferential rate instead of the standard 4%; 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 caustic soda solution (soda lye) worth £44.3m (down 16% on the year before), at an average of £0.21 per kg; France supplied 23%, followed by Germany.
World trade in caustic soda solution (soda lye) reached US$6bn in 2024, down 18.5% on 2023.
The United States was the largest exporter with 23.1% of the total, ahead of China.
Questions and answers
What is the HS code for in aqueous solution (soda lye or liquid soda)?
In aqueous solution (soda lye or liquid soda) fall under HS subheading 2815.12, part of heading 2815, in section VI of the Harmonized System.
What is the import duty on in aqueous solution (soda lye or liquid soda) in the UK?
Under the UK Global Tariff, imports under 2815.12 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 in aqueous solution (soda lye or liquid soda) in the EU?
Under the EU Combined Nomenclature, imports under 2815.12 from countries without a preferential agreement are charged at 5.5%. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most in aqueous solution (soda lye or liquid soda)?
The United States, with US$1bn in 2024 (23.1% of world exports).
Which countries can export caustic soda solution (soda lye) 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 4% applies. Pick a country above to see its rate.
Is there anti-dumping duty on caustic soda solution (soda lye)?
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 caustic soda solution (soda lye) from?
In the 12 months to August 2026, the largest suppliers were France (23%), Germany (20%) and Netherlands (20%), out of total imports of £44.3m.