Subheading · Section VI

2933.79: Heterocyclic compounds with nitrogen hetero-atom(s) only: lactams, other lactams

2933.79

Official description Other lactams

  • 0%–6%UK
  • 6.5%EU
  • 15%Türkiye
  • 0%–6.5%USA
  • US$14.5bnWorld trade in 2024

2933.79 is a six-digit subheading of heading 2933, heterocyclic compounds with nitrogen hetero-atom(s) only, chapter 29.

In the UK Global Tariff, subheading 2933.79 covers 10 tariff lines and the duty is between 0% and 6%. 1 of them is duty-free.

The EU Combined Nomenclature has one tariff line for subheading 2933.79; the duty is 6.5%.

In the Turkish Customs Tariff Schedule, subheading 2933.79 covers 4 tariff lines and the statutory rate is 15%.

The Harmonized Tariff Schedule of the United States divides subheading 2933.79 into 7 tariff lines; the duty is between 0% and 6.5% (average 4.2%). 2 of them are duty-free.

World trade in these goods reached US$14.5bn in 2024, down 60.1% on 2023.

Ireland was the largest exporter with 28% of the total, ahead of France.

Germany imported the most (US$3.4bn).

The United Kingdom ranked 7th among 75 exporters with US$597m; its largest buyer was Ireland.

The United Kingdom imported US$1.1bn, most of it from France.

Duty rates compared

UK Free – 6% Third-country duty 10 tariff lines · average 5.4% EU 6.5% Third-country duty 1 tariff line Türkiye 15% Statutory rate (Law 474) 4 tariff lines USA Free – 6.5% General (MFN) 7 tariff lines · average 4.2%

The Turkish schedule prints the statutory rate set under Customs Law 474. The rate applied at import is laid down in the Import Regime Decision and can be lower, or different by country of origin.

UK Global Tariff

UK lines →
  1. 2933 79 00 00 Other lactams
  2. 2933 79 00 15 Ethyl n-(tert-butoxycarbonyl)-l-pyroglutamate (cas rn 144978-12-1) 6%
  3. 2933 79 00 23 (s)-2-amino-3-[(s)-2-oxopyrrolidin-3-yl]propanamide hydrochloride (cas rn 2628280-48-6) with a purity by weight of 95% or more 6%
  4. 2933 79 00 25 Methyl 2-oxo-2.3-dihydro-1h-indole-6-carboxylate (cas rn 14192-26-8) 6%
  5. 2933 79 00 30 5-vinyl-2-pyrrolidone (cas rn 7529-16-0) 6%
  6. 2933 79 00 45 1-phenyl-3h-indol-2-one (cas rn 3335-98-6) with a purity by weight of 99% or more 6%
  7. 2933 79 00 55 (3s,4r)-3-amino-4-hydroxypyrrolidin-2-one hydrochloride (cas rn 2446872-13-3) with a purity by weight of 98% or more 6%
  8. 2933 79 00 65 1-dodecyl-2-pyrrolidone (cas rn 2687-96-9) with a purity by weight of 98% or more 6%
  9. 2933 79 00 75 N-(n-octyl)-2-pyrrolidone (cas rn 2687-94-7) with a purity by weight of 99% or more 6%
  10. 2933 79 00 85 3.5-dibromo-1-methyl-2(1h)-pyridinone (cas rn 14529-54-5) with a purity by weight of 97% or more 6%
  11. 2933 79 00 90 Other Free

EU Combined Nomenclature

EU lines →
  1. 2933 79 00 Other lactams 6.5%—

Turkish Customs Tariff Schedule

Türkiye lines →

This line has no official text in this language; it is shown in the language of its tariff.

  1. 2933.79 Diğer laktamlar :
  2. 2933.79.00.00.11 İzatin 15%
  3. 2933.79.00.00.12 2-Hidroksikinolin (karbostiril) 15%
  4. 2933.79.00.00.13 Zopiklon (INN) 15%
  5. 2933.79.00.00.19 Diğer laktamlar 15%

Harmonized Tariff Schedule of the United States

USA lines →
  1. 2933.79 Other lactams:
  2. Aromatic or modified aromatic:
  3. 2933.79.04.00 2,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dione Freekg
  4. Other:
  5. 2933.79.08.00 Products described in additional U.S. note 3 to section VI 6.5%kg
  6. 2933.79.15.00 Other 6.5%kg
  7. Other:
  8. 2933.79.20.00 N-Methyl-2-pyrrolidone; and 2-Pyrrolidone 4.2%kg
  9. 2933.79.30.00 N-Vinyl-2-pyrrolidone, monomer 5.5%kg
  10. 2933.79.40.00 12-Aminododecanoic acid lactam Freekg
  11. 2933.79.85.00 Other 6.5%kg

Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).

World trade in 2024

2933.79 · US$14.5bn

Trade value (US$) no reported trade < US$769.6kUS$769.6k+US$33.7m+US$480.7m+> US$1.8bn

Exports: 75
  1. Ireland: US$4.1bn
  2. France: US$2.3bn
  3. Spain: US$1.8bn
  4. China: US$1.8bn
  5. Singapore: US$921.6m
  6. Switzerland: US$688.8m
  7. United Kingdom: US$597m
  8. Austria: US$480.7m
  9. Belgium: US$448.3m
  10. India: US$246.2m
  11. United States: US$235.2m
  12. Germany: US$225.1m
  13. Japan: US$197.3m
  14. Italy: US$179.1m
  15. Netherlands: US$64m
  16. Poland: US$43.5m
  17. South Korea: US$38.5m
  18. Czechia: US$34.2m
  19. Hong Kong SAR China: US$33.7m
  20. Mexico: US$16.8m
  21. Brazil: US$16.3m
  22. Taiwan: US$8.9m
  23. Hungary: US$7.3m
  24. Canada: US$6.5m
  25. Portugal: US$6.2m
  26. Israel: US$4.9m
  27. Argentina: US$4.1m
  28. Croatia: US$3.2m
  29. Finland: US$2.6m
  30. Malta: US$2.1m
  31. Slovenia: US$1.9m
  32. Latvia: US$1.7m
  33. Türkiye: US$1.6m
  34. Cyprus: US$1.2m
  35. Romania: US$1.1m
  36. Ukraine: US$1.1m
  37. Malaysia: US$769.6k
  38. Denmark: US$724.3k
  39. Australia: US$495.5k
  40. St Lucia: US$409.4k
  41. Greece: US$400.7k
  42. Bulgaria: US$231.2k
  43. Vietnam: US$222.5k
  44. Sweden: US$199.9k
  45. Thailand: US$180.1k
  46. Colombia: US$141.2k
  47. New Zealand: US$106.8k
  48. Slovakia: US$89.4k
  49. Jordan: US$88.2k
  50. Chile: US$63.6k
  51. Armenia: US$52.9k
  52. Guatemala: US$47.1k
  53. Belize: US$34.8k
  54. Indonesia: US$32.7k
  55. Pakistan: US$20.3k
  56. Lithuania: US$14.8k
  57. Kuwait: US$14.7k
  58. Ecuador: US$11k
  59. Niger: US$10.4k
  60. Kenya: US$9.2k

Top exporters

RankCountryValueShare
1 Ireland US$4.1bn 28%
2 France US$2.3bn 16%
3 Spain US$1.8bn 12.5%
4 China US$1.8bn 12.2%
5 Singapore US$921.6m 6.4%
6 Switzerland US$688.8m 4.8%
7 United Kingdom US$597m 4.1%
8 Austria US$480.7m 3.3%
9 Belgium US$448.3m 3.1%
10 India US$246.2m 1.7%

Top importers

RankCountryValueShare
1 Germany US$3.4bn 23.1%
2 Ireland US$2.6bn 18.3%
3 Panama US$1.9bn 13.3%
4 Belgium US$1.1bn 7.8%
5 United Kingdom US$1.1bn 7.8%
6 United States US$897m 6.2%
7 Portugal US$430.2m 3%
8 Hong Kong SAR China US$359.9m 2.5%
9 Spain US$329.2m 2.3%
10 Italy US$241.6m 1.7%

Questions and answers

What is the HS code for heterocyclic compounds with nitrogen hetero-atom(s) only: lactams, other lactams?

Heterocyclic compounds with nitrogen hetero-atom(s) only: lactams, other lactams fall under HS subheading 2933.79, part of heading 2933, in section VI of the Harmonized System.

What is the import duty on heterocyclic compounds with nitrogen hetero-atom in the UK?

Under the UK Global Tariff, imports under 2933.79 from countries without a preferential agreement are charged at 0% to 6%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.

What is the import duty on heterocyclic compounds with nitrogen hetero-atom in the EU?

Under the EU Combined Nomenclature, imports under 2933.79 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 heterocyclic compounds with nitrogen hetero-atom?

Ireland, with US$4.1bn in 2024 (28% of world exports).