Subheading · Chapter 28 · Heading 2815

2815.11

2815.11: Sodium hydroxide (caustic soda): solid

Official description Solid

Subheading 2815.11 belongs to heading 2815 (sodium hydroxide) in chapter 28.

What you pay

Importing into UK

Customs duty 4% standard rate depends on the country of origin
Additional duties and charges 2 additional measures Import requirements: 4
VAT 20.00 % import VAT
Duty calculatorCalculate duty and taxes →

Rates by national line · UK Global Tariff

UK lines →
  1. 2815 11 00 00 Solid 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 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 schemeCountriesRate
standard rate (no agreement)—4%
DCTS Comprehensive
Afghanistan, Angola, Bangladesh, Benin and 38 more

Afghanistan, 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")
Austria, Belgium, Bulgaria, Croatia and 23 more

Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

Free
DCTS Enhanced
Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 more

Algeria, 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 more

Antigua & 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 more

Anguilla, 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

last 12 months£9.7m+5.9% · previous 12 months
Average import price£0.81 per kg
Jan 2024: £565kFeb 2024: £999kMar 2024: £816kApr 2024: £659kMay 2024: £719kJun 2024: £578kJul 2024: £889kAug 2024: £984kSept 2024: £635kOct 2024: £776kNov 2024: £815kDec 2024: £884kJan 2025: £743kFeb 2025: £632kMar 2025: £862kApr 2025: £694kMay 2025: £522kJun 2025: £1.2mJul 2025: £665kAug 2025: £768kSept 2025: £511kOct 2025: £522kNov 2025: £740kDec 2025: £543kJan 2026: £777kFeb 2026: £900kMar 2026: £2mApr 2026: £883kMay 2026: £640kJun 2026: £927kJul 2026: £620kAug 2026: £688k 202420252026
Data up to August 2026 (provisional) · Monthly data: Eurostat Comext (CC BY 4.0), HMRC (OGL v3.0)

Main suppliers, last 12 months

CountryValueShareChange
China £3m 30.8% +22.2%
Germany £2.6m 26.7% +29.3%
France £1.3m 13.4% -33.8%
Taiwan £893k 9.2% -29.1%
Sweden £503k 5.2% -6.7%
India £342k 3.5% +30.9%
Netherlands £272k 2.8% +383.9%
Czechia £198k 2% +52.5%

Same subheading in other tariffs

World trade in 2024

2815.11 · US$965m

Trade value (US$) no reported trade < US$170kUS$170k+US$4m+US$22m+> US$36m

Exports: 120
  1. China: US$264m
  2. India: US$178m
  3. France: US$41m
  4. Iran: US$36m
  5. Germany: US$36m
  6. Taiwan: US$34m
  7. Thailand: US$32m
  8. Poland: US$30m
  9. Qatar: US$27m
  10. Saudi Arabia: US$27m
  11. Russia: US$23m
  12. Sweden: US$22m
  13. Belgium: US$19m
  14. Kuwait: US$19m
  15. United States: US$15m
  16. Türkiye: US$14m
  17. Peru: US$14m
  18. Netherlands: US$13m
  19. United Arab Emirates: US$11m
  20. Spain: US$10m
  21. Bangladesh: US$10m
  22. Japan: US$8m
  23. Romania: US$7m
  24. Austria: US$6m
  25. South Africa: US$5m
  26. Mexico: US$5m
  27. Argentina: US$5m
  28. Czechia: US$4m
  29. Zambia: US$4m
  30. Côte d’Ivoire: US$4m
  31. Lithuania: US$4m
  32. Hong Kong SAR China: US$3m
  33. Slovakia: US$3m
  34. Singapore: US$3m
  35. Uganda: US$3m
  36. Italy: US$3m
  37. Pakistan: US$3m
  38. Oman: US$3m
  39. Tunisia: US$2m
  40. United Kingdom: US$2m
  41. Tanzania: US$1m
  42. Portugal: US$1m
  43. Mauritius: US$993k
  44. Egypt: US$942k
  45. Bulgaria: US$920k
  46. Switzerland: US$865k
  47. Kazakhstan: US$831k
  48. Kenya: US$690k
  49. Denmark: US$679k
  50. Congo - Kinshasa: US$584k
  51. Malaysia: US$563k
  52. South Korea: US$558k
  53. Estonia: US$542k
  54. Togo: US$435k
  55. Slovenia: US$397k
  56. Brazil: US$386k
  57. Serbia: US$301k
  58. Mozambique: US$263k
  59. Canada: US$170k
  60. Botswana: US$160k

Top exporters

RankCountryValueShare
1 China US$264m 27.3%
2 India US$178m 18.5%
3 France US$41m 4.2%
4 Iran US$36m 3.8%
5 Germany US$36m 3.7%
6 Taiwan US$34m 3.5%
7 Thailand US$32m 3.3%
8 Poland US$30m 3.1%
9 Qatar US$27m 2.8%
10 Saudi Arabia US$27m 2.8%

Top importers

RankCountryValueShare
1 Indonesia US$54m 5.6%
2 Nigeria US$42m 4.3%
3 Vietnam US$37m 3.8%
4 United States US$36m 3.7%
5 Uzbekistan US$29m 3%
6 Côte d’Ivoire US$26m 2.7%
7 Tanzania US$26m 2.6%
8 Türkiye US$25m 2.6%
9 South Africa US$24m 2.5%
10 Congo - Kinshasa US$23m 2.4%

The UK Global Tariff has one tariff line for subheading 2815.11; the duty is 4%.

Subheading 2815.11 is a single line in the EU Combined Nomenclature, where the duty is 5.5%.

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 4%.

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 £9.7m between September 2025 and August 2026 (up 6% on the year before); China supplied 31%, followed by Germany.

In 2024, countries exported these goods worth US$965m (−15% year on year).

The largest exporter was China (US$264m), followed by India.

Questions and answers

What is the HS code for sodium hydroxide (caustic soda): solid?

Sodium hydroxide (caustic soda): solid fall under HS subheading 2815.11, part of heading 2815, in section VI of the Harmonized System.

What is the import duty on sodium hydroxide (caustic soda): solid in the UK?

Under the UK Global Tariff, imports under 2815.11 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 sodium hydroxide (caustic soda): solid in the EU?

Under the EU Combined Nomenclature, imports under 2815.11 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 sodium hydroxide (caustic soda): solid?

China, with US$264m in 2024 (27.3% 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 4% 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 (31%), Germany (27%) and France (13%), out of total imports of £9.7m.