Subheading · Chapter 28 · Heading 2811

2811.12

2811.12: Hydrogen cyanide (hydrocyanic acid)

2811.12 is a six-digit subheading of heading 2811, other inorganic acids and other inorganic oxygen compounds of non-metals, 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. 2811 12 00 00 Hydrogen cyanide (hydrocyanic acid) 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
    Russia, Ukraine
    Legal act
    2023 No. 440, S.I. 2022/395
    Documents
    • 9011
    • 9022
    • 9038
    • 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 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£54k+62,630.2% · previous 12 months
Average import price£2.54 per kg
Aug 2024: £10kMay 2025: £86Jul 2026: £54k
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 £34k 62.4% —
Czechia £20k 37.6% —
Kazakhstan £0 0% -100%

Same subheading in other tariffs

World trade in 2024

2811.12 · US$3m

Trade value (US$) no reported trade < US$3kUS$3k+US$35k+US$289k+> US$1m

Exports: 28
  1. China: US$1m
  2. Czechia: US$557k
  3. Germany: US$289k
  4. United States: US$276k
  5. Kazakhstan: US$115k
  6. United Kingdom: US$45k
  7. South Africa: US$35k
  8. Belgium: US$30k
  9. Norway: US$12k
  10. Italy: US$11k
  11. Netherlands: US$9k
  12. Denmark: US$7k
  13. Kuwait: US$3k
  14. Sweden: US$3k
  15. France: US$2k
  16. Taiwan: US$2k
  17. India: US$1k
  18. Slovenia: US$900
  19. Russia: US$600
  20. Austria: US$300
  21. Malaysia: US$300
  22. Japan: US$200
  23. Portugal: US$200
  24. Switzerland: US$100
  25. South Korea: US$100
  26. Argentina: US$0
  27. Côte d’Ivoire: US$0
  28. Serbia: US$0

Top exporters

RankCountryValueShare
1 China US$1m 49.4%
2 Czechia US$557k 20.1%
3 Germany US$289k 10.4%
4 United States US$276k 10%
5 Kazakhstan US$115k 4.1%
6 United Kingdom US$45k 1.6%
7 South Africa US$35k 1.3%
8 Belgium US$30k 1.1%
9 Norway US$12k 0.4%
10 Italy US$11k 0.4%

Top importers

RankCountryValueShare
1 Burkina Faso US$1m 49.4%
2 Germany US$449k 16.2%
3 Norway US$207k 7.5%
4 Mexico US$165k 5.9%
5 Russia US$115k 4.1%
6 Suriname US$70k 2.5%
7 Slovakia US$53k 1.9%
8 Switzerland US$49k 1.8%
9 Sweden US$34k 1.2%
10 Congo - Kinshasa US$33k 1.2%

Code history

Since 2017; before, these goods were classified under 2811.19.

Subheading 2811.12 is a single line in the UK Global Tariff, where the duty is 4%.

The EU Combined Nomenclature has one tariff line for subheading 2811.12; the duty is 5.3%.

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 these goods worth £53.9k (up 62630% on the year before), at an average of £2.54 per kg; China supplied 62%, followed by Czechia.

World trade in these goods reached US$3m in 2024, up 12.9% on 2023.

China was the largest exporter with 49.4% of the total, ahead of the Czechia.

Questions and answers

What is the HS code for hydrogen cyanide (hydrocyanic acid)?

Hydrogen cyanide (hydrocyanic acid) fall under HS subheading 2811.12, part of heading 2811, in section VI of the Harmonized System.

What is the import duty on hydrogen cyanide (hydrocyanic acid) in the UK?

Under the UK Global Tariff, imports under 2811.12 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 hydrogen cyanide (hydrocyanic acid) in the EU?

Under the EU Combined Nomenclature, imports under 2811.12 from countries without a preferential agreement are charged at 5.3%. Preferential rates, anti-dumping duties and VAT are not included.

Which country exports the most hydrogen cyanide (hydrocyanic acid)?

China, with US$1m in 2024 (49.4% 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 (62%), Czechia (38%) and Kazakhstan (0%), out of total imports of £53.9k.