Subheading · Chapter 29 · Heading 2933
2933.53: Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof
2933.53 is a six-digit subheading of heading 2933, heterocyclic compounds with nitrogen hetero-atom(s) only, chapter 29.
What you pay
Importing into UK from Barbados
Rates by national line · UK Global Tariff
UK lines →- 2933 53 00 00 Allobarbital (inn), amobarbital (inn), barbital (inn), butalbital (inn), butobarbital, cyclobarbital (inn), methylphenobarbital (inn), pentobarbital (inn), phenobarbital (inn), secbutabarbital (inn), secobarbital (inn) and vinylbital (inn); salts thereof
- 2933 53 10 00 Phenobarbital (inn), barbital (inn), and their salts Free
- 2933 53 90 00 Other Free
Additional duties and import rulesBarbados
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 2
- 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 suspensionAirworthiness tariff suspension Free
- Applies to goods from
- all countries
- Legal act
- S.I. 2018/1249
- Documents
- C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 Germany | £1.1m | 73.7% | +85.7% |
 Netherlands | £265k | 18% | — |
 China | £44k | 3% | +6% |
 Hungary | £37k | 2.5% | +34.5% |
 India | £27k | 1.8% | +42.3% |
 United States | £9k | 0.6% | -45.4% |
 Poland | £3k | 0.2% | — |
 France | £2k | 0.1% | — |
Same subheading in other tariffs
EU
TürkiyeWorld trade in 2024
Trade value (US$) no reported trade < US$97.1kUS$97.1k+US$2.8m+US$5.1m+> US$17.3m
Exports: 35
- Ireland: US$17.3m
- Germany: US$7.4m
- India: US$6.6m
- Spain: US$5.1m
- Belgium: US$4.8m
- Taiwan: US$4.6m
- China: US$4.4m
- Hungary: US$2.8m
- Switzerland: US$1.3m
- Estonia: US$937.1k
- United States: US$804.5k
- Denmark: US$196.9k
- Senegal: US$155.2k
- United Kingdom: US$135.4k
- Netherlands: US$107.1k
- France: US$97.1k
- Canada: US$67.8k
- South Africa: US$56.3k
- Singapore: US$42k
- Australia: US$18.5k
- Poland: US$6.2k
- Hong Kong SAR China: US$5.3k
- Portugal: US$4.6k
- Czechia: US$4.3k
- Argentina: US$3.2k
- Italy: US$2.8k
- Brazil: US$500
- Saudi Arabia: US$400
- Sweden: US$400
- Japan: US$300
- Norway: US$200
- Türkiye: US$100
- Bulgaria: US$0
- Greece: US$0
- Russia: US$0
Trade value (US$) no reported trade < US$33.7kUS$33.7k+US$203.8k+US$883.1k+> US$5.2m
Imports: 107
- Belgium: US$17.5m
- United States: US$6.4m
- Italy: US$5.4m
- Germany: US$5.2m
- Netherlands: US$4.9m
- France: US$2.6m
- Brazil: US$1.2m
- Switzerland: US$1.2m
- India: US$1.1m
- Colombia: US$984.5k
- Canada: US$883.1k
- Ethiopia: US$754k
- Argentina: US$718.9k
- Ukraine: US$693.2k
- Egypt: US$685.5k
- United Kingdom: US$670.3k
- Croatia: US$494.3k
- Mexico: US$488.6k
- Philippines: US$322.7k
- Australia: US$301.3k
- Iran: US$297.2k
- Türkiye: US$280.1k
- Poland: US$265.1k
- Israel: US$263.3k
- Czechia: US$243.9k
- Vietnam: US$206.7k
- South Africa: US$203.8k
- New Zealand: US$193.6k
- Bangladesh: US$164k
- Romania: US$143.8k
- Honduras: US$141.4k
- Thailand: US$131.4k
- Spain: US$119k
- Guatemala: US$116.5k
- Denmark: US$100.3k
- Kenya: US$99k
- Indonesia: US$96.5k
- Portugal: US$88.9k
- Belarus: US$84.8k
- Saudi Arabia: US$80.9k
- Pakistan: US$71.8k
- Ireland: US$68.9k
- Bolivia: US$62.7k
- Zimbabwe: US$61.7k
- El Salvador: US$59k
- Panama: US$47.2k
- Serbia: US$45.8k
- Chile: US$45.6k
- Myanmar (Burma): US$45k
- Uruguay: US$42.4k
- Congo - Kinshasa: US$36.9k
- Malawi: US$36.6k
- Cambodia: US$33.7k
- Paraguay: US$33.7k
- Taiwan: US$33k
- Latvia: US$32k
- Peru: US$32k
- Uganda: US$30.5k
- Guyana: US$25.9k
- Tunisia: US$24.8k
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Ireland | US$17.3m | 30.3% |
| 2 | Germany | US$7.4m | 13% |
| 3 | India | US$6.6m | 11.6% |
| 4 |  Spain | US$5.1m | 9% |
| 5 |  Belgium | US$4.8m | 8.4% |
| 6 |  Taiwan | US$4.6m | 8% |
| 7 | China | US$4.4m | 7.8% |
| 8 | Hungary | US$2.8m | 4.9% |
| 9 |  Switzerland | US$1.3m | 2.3% |
| 10 |  Estonia | US$937.1k | 1.6% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | Belgium | US$17.5m | 30.6% |
| 2 | United States | US$6.4m | 11.1% |
| 3 |  Italy | US$5.4m | 9.4% |
| 4 | Germany | US$5.2m | 9.1% |
| 5 | Netherlands | US$4.9m | 8.7% |
| 6 | France | US$2.6m | 4.6% |
| 7 |  Brazil | US$1.2m | 2.2% |
| 8 | Switzerland | US$1.2m | 2.2% |
| 9 | India | US$1.1m | 1.9% |
| 10 |  Colombia | US$984.5k | 1.7% |
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.
- Tariff change
FR Doc. 2026-19498 · 91 FR 60360 · Source: federalregister.gov
- Import and export controls
FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov
- Tariff change
FR Doc. 2026-11158 · 91 FR 33854 · Source: federalregister.gov
In the UK Global Tariff, subheading 2933.53 covers 2 tariff lines and the duty is duty-free.
The EU Combined Nomenclature divides subheading 2933.53 into 2 tariff lines; the duty is between 0% and 6.5% (average 3.3%). 1 of them is duty-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 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 £1.5m (up 114% on the year before), at an average of £223.36 per kg; Germany supplied 74%, followed by Netherlands.
World trade in these goods reached US$57.1m in 2024, up 33.6% on 2023.
Ireland was the largest exporter with 30.3% of the total, ahead of Germany.
Questions and answers
What is the HS code for allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof?
Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof fall under HS subheading 2933.53, part of heading 2933, in section VI of the Harmonized System.
What is the import duty on allobarbital in the UK?
Under the UK Global Tariff, imports under 2933.53 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on allobarbital in the EU?
Under the EU Combined Nomenclature, imports under 2933.53 from countries without a preferential agreement are charged at 0% to 6.5%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most allobarbital?
Ireland, with US$17.3m in 2024 (30.3% 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 Free 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 Germany (74%), Netherlands (18%) and China (3%), out of total imports of £1.5m.