Subheading · Chapter 29 · Heading 2933
2933.52: Malonylurea (barbituric acid) and its salts
Subheading 2933.52 belongs to heading 2933 (heterocyclic compounds with nitrogen hetero-atom(s) only) in chapter 29.
What you pay
Importing into UK from Barbados
Rates by national line · UK Global Tariff
UK lines →- 2933 52 00 00 Malonylurea (barbituric acid) and its salts 6%
- 2933 52 00 10 Malonylurea (barbituric acid) (cas rn 67-52-7) Free
6% - 2933 52 00 90 Other Free
6%
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 3
- Duty suspensionAutonomous tariff suspension Free
- Applies to goods from
- all countries
- In force
- until 31 December 2028
- Legal act
- 2020 No. 1435
- Tariff lines
- on 1 of 2 lines
- 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 |
|---|---|---|---|
 Italy | £23k | 63.3% | — |
 China | £11k | 31.4% | +13.1% |
 Japan | £2k | 5.4% | — |
 United States | £0 | 0% | -100% |
Same subheading in other tariffs
EU
TürkiyeWorld trade in 2024
Trade value (US$) no reported trade < US$5kUS$5k+US$141k+US$623k+> US$11m
Exports: 33
- China: US$11m
- South Korea: US$3m
- Taiwan: US$623k
- India: US$273k
- Netherlands: US$252k
- Germany: US$186k
- United States: US$146k
- Colombia: US$141k
- United Kingdom: US$132k
- Spain: US$49k
- Switzerland: US$35k
- Canada: US$32k
- Slovakia: US$18k
- Belgium: US$13k
- France: US$5k
- Japan: US$4k
- Russia: US$3k
- Czechia: US$3k
- Australia: US$2k
- Türkiye: US$2k
- Poland: US$2k
- Austria: US$1k
- South Africa: US$1k
- Slovenia: US$300
- Italy: US$200
- Singapore: US$200
- Brazil: US$100
- Georgia: US$100
- Lithuania: US$100
- Sweden: US$100
- Hong Kong SAR China: US$0
- Latvia: US$0
- Ukraine: US$0
Trade value (US$) no reported trade < US$3kUS$3k+US$47k+US$320k+> US$3m
Imports: 81
- India: US$5m
- Germany: US$4m
- Thailand: US$3m
- Japan: US$852k
- Netherlands: US$712k
- Australia: US$625k
- United States: US$556k
- Switzerland: US$320k
- Czechia: US$161k
- Taiwan: US$150k
- France: US$121k
- Chile: US$100k
- Hungary: US$99k
- Spain: US$72k
- Portugal: US$59k
- Sweden: US$59k
- Venezuela: US$52k
- United Kingdom: US$51k
- Mexico: US$47k
- China: US$30k
- Brazil: US$25k
- Indonesia: US$19k
- Türkiye: US$17k
- Russia: US$16k
- Canada: US$14k
- Ireland: US$12k
- Belgium: US$11k
- South Korea: US$10k
- Slovakia: US$8k
- Vietnam: US$6k
- Egypt: US$6k
- South Africa: US$5k
- Italy: US$4k
- Austria: US$4k
- Colombia: US$3k
- Azerbaijan: US$3k
- Kyrgyzstan: US$3k
- Peru: US$3k
- Argentina: US$3k
- Singapore: US$2k
- Saudi Arabia: US$2k
- Malaysia: US$2k
- Denmark: US$2k
- Slovenia: US$2k
- Romania: US$2k
- Poland: US$2k
- Belarus: US$2k
- Ecuador: US$2k
- Hong Kong SAR China: US$2k
- Kazakhstan: US$1k
- Israel: US$1k
- Laos: US$1k
- Guinea: US$900
- Ukraine: US$900
- Lithuania: US$700
- Morocco: US$700
- Croatia: US$600
- Serbia: US$600
- Tunisia: US$500
- Estonia: US$400
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$11m | 70.9% |
| 2 |  South Korea | US$3m | 16.9% |
| 3 |  Taiwan | US$623k | 3.9% |
| 4 |  India | US$273k | 1.7% |
| 5 |  Netherlands | US$252k | 1.6% |
| 6 |  Germany | US$186k | 1.2% |
| 7 | United States | US$146k | 0.9% |
| 8 |  Colombia | US$141k | 0.9% |
| 9 | United Kingdom | US$132k | 0.8% |
| 10 |  Spain | US$49k | 0.3% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | India | US$5m | 29% |
| 2 | Germany | US$4m | 26.9% |
| 3 |  Thailand | US$3m | 17% |
| 4 | Japan | US$852k | 5.4% |
| 5 | Netherlands | US$712k | 4.5% |
| 6 |  Australia | US$625k | 4% |
| 7 | United States | US$556k | 3.5% |
| 8 |  Switzerland | US$320k | 2% |
| 9 |  Czechia | US$161k | 1% |
| 10 | Taiwan | US$150k | 0.9% |
The UK Global Tariff divides subheading 2933.52 into 2 tariff lines; the duty is 6%.
Subheading 2933.52 is a single line in the EU Combined Nomenclature, where the duty is 6.5%.
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 6%.
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 £36.5k between September 2025 and August 2026 (up 152% on the year before); Italy supplied 63%, followed by China.
In 2024, countries exported these goods worth US$16m (+6.4% year on year).
The largest exporter was China (US$11m), followed by South Korea.
Questions and answers
What is the HS code for malonylurea (barbituric acid) and its salts?
Malonylurea (barbituric acid) and its salts fall under HS subheading 2933.52, part of heading 2933, in section VI of the Harmonized System.
What is the import duty on malonylurea (barbituric acid) and its salts in the UK?
Under the UK Global Tariff, imports under 2933.52 from countries without a preferential agreement are charged at 6%. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on malonylurea (barbituric acid) and its salts in the EU?
Under the EU Combined Nomenclature, imports under 2933.52 from countries without a preferential agreement are charged at 6.5%. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most malonylurea (barbituric acid) and its salts?
China, with US$11m in 2024 (70.9% 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 6% 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 Italy (63%), China (31%) and Japan (5%), out of total imports of £36.5k.