Subheading · Section VI

2933.39: Compounds containing an unfused pyridine ring: other

2933.39

Official description Other

  • 0%–4%UK
  • 0%–6.5%EU
  • 25%Türkiye
  • 0%–6.5%USA
  • US$11bnWorld trade in 2024

2933.39 is a six-digit subheading of heading 2933, heterocyclic compounds with nitrogen hetero-atom(s) only, chapter 29.

In the UK Global Tariff, subheading 2933.39 covers 79 tariff lines and the duty is between 0% and 4%. 78 of them are duty-free.

The EU Combined Nomenclature divides subheading 2933.39 into 9 tariff lines; the duty is between 0% and 6.5% (average 1.2%). 7 of them are duty-free.

In the Turkish Customs Tariff Schedule, subheading 2933.39 covers 25 tariff lines and the statutory rate is 25%.

The Harmonized Tariff Schedule of the United States divides subheading 2933.39 into 11 tariff lines; the duty is between 0% and 6.5% (average 5.3%). 2 of them are duty-free.

World trade in these goods reached US$11bn in 2024, down 18.2% on 2023.

China was the largest exporter with 23.7% of the total, ahead of Switzerland.

Germany imported the most (US$1.6bn).

The United Kingdom ranked 12th among 98 exporters with US$272.8m; its largest buyer was the United States.

The United Kingdom imported US$270.2m, most of it from India.

Duty rates compared

UK Free – 4% Third-country duty 79 tariff lines · average 0.1% EU Free – 6.5% Third-country duty 9 tariff lines · average 1.2% Türkiye 25% Statutory rate (Law 474) 25 tariff lines USA Free – 6.5% General (MFN) 11 tariff lines · average 5.3%

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 39 00 00 Other
  2. 2933 39 10 00 Iproniazid (inn); ketobemidone hydrochloride (innm); pyridostigmine bromide (inn) Free
  3. 2933 39 20 00 2.3,5.6-tetrachloropyridine Free
  4. 2933 39 25 00 3.6-dichloropyridine-2-carboxylic acid Free
  5. 2933 39 35 00 2-hydroxyethylammonium-3.6-dichloropyridine-2-carboxylate Free
  6. 2933 39 40 00 2-butoxyethyl(3.5,6-trichloro-2-pyridyloxy)acetate Free
  7. 2933 39 45 00 3.5-dichloro-2.4,6-trifluoropyridine Free
  8. 2933 39 50 00 Fluroxypyr (iso), methyl ester 4%
  9. 2933 39 55 00 4-methylpyridine Free
  10. 2933 39 99 00 Other
  11. 2933 39 99 01 N-phenylpiperidin-4-amine (4-ap) (cas rn 23056-29-3) Free
  12. 2933 39 99 02 Tert-butyl 4-anilinopiperidine-1-carboxylate (1-boc-4-ap) (cas rn 125541-22-2) Free
  13. 2933 39 99 03 N-phenyl-n-(piperidin-4-yl)propanamide (norfentanyl) (cas rn 1609-66-1) Free
  14. 2933 39 99 04 Methyl 4-aminopicolinate (cas rn 71469-93-7) with a purity by weight of 98% or more Free
  15. 2933 39 99 05 2.6-bis-[1-(2-tert-butylphenylimino)-ethyl]pyridine (cas rn 204203-17-8) with a purity by weight of 95% or more Free
  16. 2933 39 99 06 Tert-butyl (3s)-3-hydroxypiperidine-1-carboxylate (cas rn 143900-44-1) with a purity by weight of 97% or more Free
  17. 2933 39 99 07 5-bromo-2-methoxypyridine (cas rn 13472-85-0) with a purity by weight of 99% or more Free
  18. 2933 39 99 08 Fluazinam (iso) (cas rn 79622-59-6) with a purity by weight of 97% or more Free
  19. 2933 39 99 09 2-(2-pyridyl)ethanol (cas rn 103-74-2) with a purity by weight of 99% or more Free
  20. 2933 39 99 10 2-aminopyridin-4-ol hydrochloride (cas rn 1187932-09-7) Free
  21. 2933 39 99 11 2-(chloromethyl)-4-(3-methoxypropoxy)-3-methylpyridine hydrochloride(cas rn 153259-31-5) Free
  22. 2933 39 99 12 2.3-dichloropyridine (cas rn 2402-77-9) Free
  23. 2933 39 99 13 Imazamox (iso) (cas rn 114311-32-9) with a purity by weight of 95% or more Free
  24. 2933 39 99 15 (s)-6-bromo-2-(4-(3-(1.3-dioxoisoindolin-2-yl)propyl)-2.2-dimethylpyrrolidin-1-yl)nicotinamide (cas rn 2606972-45-4) with a purity by weight of 98% or more Free
  25. 2933 39 99 16 Tert-butyl (3r)-3-aminopiperidine-1-carboxylate (cas rn 188111-79-7) with a purity by weight of 96% or more Free
  26. 2933 39 99 17 2.4-dichloro-3-nitropyridine (cas rn 5975-12-2) with a purity by weight of 99% or more Free
  27. 2933 39 99 18 Perfluorophenyl 6-fluoropyridine-2-sulfonate (cas rn 2608048-81-1) with a purity by weight of 98% or more Free
  28. 2933 39 99 19 5-chloro-1-(4-piperidyl)-1h-benzimidazol-2(3h)-one (cas rn 53786-28-0) with a purity by weight of 99% or more Free
  29. 2933 39 99 22 N-(5-bromo-3-methylpyridin-2-yl)-n-methylbenzamide (cas rn 446299-80-5) with a purity by weight of 98% or more Free
  30. 2933 39 99 24 2-chloromethyl-4-methoxy-3.5-dimethylpyridine hydrochloride (cas rn 86604-75-3) Free
  31. 2933 39 99 27 Pyridine-2.6-dicarboxylic acid (cas rn 499-83-2) Free
  32. 2933 39 99 28 Ethyl-3-[(3-amino-4-methylamino-benzoyl)-pyridin-2-yl-amino]-propionate (cas rn 212322-56-0) Free
  33. 2933 39 99 31 2-(chloromethyl)-3-methyl-4-(2.2,2-trifluoroethoxy)pyridine hydrochloride(cas rn 127337-60-4) Free
  34. 2933 39 99 32 2-(chloromethyl)-3.4-dimethoxypyridine hydrochloride (cas rn 72830-09-2) Free
  35. 2933 39 99 33 5-(3-chlorophenyl)-3-methoxypyridine-2-carbonitrile (cas rn 1415226-39-9) Free
  36. 2933 39 99 34 Pyridin-3-ol (cas rn 109-00-2) with a purity by weight of 98% or more Free
  37. 2933 39 99 35 Aminopyralid (iso) (cas rn 150114-71-9) Free
  38. 2933 39 99 36 1-[2-[5-methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl]acetyl]piperidine-4-carbothioamide (cas rn 1003319-95-6) Free
  39. 2933 39 99 37 Aqueous solution of pyridine-2-thiol-1-oxide, sodium salt (cas rn 3811-73-2) Free
  40. 2933 39 99 38 (2-chloropyridin-3-yl) methanol (cas rn 42330-59-6) Free
  41. 2933 39 99 40 2-hydroxypyridine-n-oxide (cas rn 13161-30-3) with a purity by weight of 98% or more Free
  42. 2933 39 99 42 Glasdegib maleate (inn) (cas rn 2030410-25-2) with a purity by weight of 98% or more Free
  43. 2933 39 99 44 Fluroxypyr-meptyl (cas rn 81406-37-3) with a purity by weight of 95% or more Free
  44. 2933 39 99 45 2.4-dichloropyridine-3-carboxaldehyde (cas rn 134031-24-6) with a purity by weight of 95% or more Free
  45. 2933 39 99 46 Fluopicolide (iso) (cas rn 239110-15-7) with a content by weight of 97% or more Free
  46. 2933 39 99 47 (-)-trans-4-(4'-fluorophenyl)-3-hydroxymethyl-n-methylpiperidine (cas rn 105812-81-5) Free
  47. 2933 39 99 48 Flonicamid (iso) (cas rn 158062-67-0) Free
  48. 2933 39 99 49 2-phenyl-2-(2-pyridyl)acetamide (cas rn 7251-52-7) with a purity by weight of 98% or more Free
  49. 2933 39 99 50 N,4-dimethyl-1-(phenylmethyl)- 3-piperidinamine hydrochloride (1:2) (cas rn 1228879-37-5) with a purity by weight of 98% or more Free
  50. 2933 39 99 51 2-amino-3-bromo-5-nitropyridine (cas rn 15862-31-4) with a purity by weight of 98% or more Free
  51. 2933 39 99 53 5-methyl-2-pyridylamine (cas rn 1603-41-4) with a purity by weight of 99% or more Free
  52. 2933 39 99 54 2.5-dichloro-4.6-dimethylpyridine-3-carbonitrile (cas rn 91591-63-8) with a purity by weight of 99% or more Free
  53. 2933 39 99 55 Pyriproxyfen (iso) (cas rn 95737-68-1) of a purity by weight of 97% or more Free
  54. 2933 39 99 56 2-[[[3-methyl-4-(2.2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulfanyl]1h-benzimidazole (cas rn 103577-40-8) with a purity by weight of 99% or more Free
  55. 2933 39 99 57 Tert-butyl 3-(6-amino-3-methylpyridin-2-yl)benzoate (cas rn 1083057-14-0) Free
  56. 2933 39 99 58 Tert-butyl n-[5-(trifluoromethyl)pyridin-3-yl]carbamate (cas rn 1187055-61-3) with a purity by weight of 98% or more Free
  57. 2933 39 99 60 2-fluoro-6-(trifluoromethyl)pyridine (cas rn 94239-04-0) Free
  58. 2933 39 99 62 Ethyl 2.6-dichloronicotinate (cas rn 58584-86-4) Free
  59. 2933 39 99 63 1-methyl-4-piperidone (cas rn 1445-73-4) with a purity by weight of 97% or more Free
  60. 2933 39 99 65 Acetamiprid (iso) (cas rn 135410-20-7) Free
  61. 2933 39 99 66 (2s,4s)-4-ethoxy-2-[4-(methoxycarbonyl)phenyl]piperidin-1-ium(2z)-3-carboxyprop-2-enoate (cas rn 2408761-21-5) with a purity by weight of 98% or more Free
  62. 2933 39 99 68 1-(3-chloropyridin-2-yl)-3-[[5-(trifluoromethyl)-2h-tetrazol-2-yl]methyl]-1h-pyrazole-5-carboxylic acid (cas rn 1352319-02-8) with a purity by weight of 85% or more Free
  63. 2933 39 99 70 2.3-dichloro-5-trifluoromethylpyridine, (cas rn 69045-84-7) Free
  64. 2933 39 99 72 N-[(1s,5r)-8-benzyl-8-azabicyclo[3.2.1]octane-3-yl]-2-methylpropanamide (cas rn 376348-67-3) with a purity by weight of 98% or more Free
  65. 2933 39 99 73 6-chloro-4-(4-fluoro-2-methylphenyl)pyridin-3-amine hydrochloride Free
  66. 2933 39 99 75 Clodinafop-propargyl (iso) (cas rn 105512-06-9) with a purity by weight of 90% or more Free
  67. 2933 39 99 76 Apalutamide (inn) (cas rn 956104-40-8) Free
  68. 2933 39 99 78 Niraparib tosylate monohydrate (innm) (cas rn 1613220-15-7) Free
  69. 2933 39 99 80 Tert-butyl (3r)-3-(4-amino-2-oxo-2.3-dihydro-1h-imidazo[4, 5-c]pyridin-1-yl)piperidine-1-carboxylate (cas rn 1971921-33-1) with a purity by weight of 95% or more Free
  70. 2933 39 99 81 4-hydroxy-3-pyridinesulphonic acid (cas rn 51498-37-4) with a purity by weight of 98% or more Free
  71. 2933 39 99 82 Picloram (iso) (cas rn 1918-02-1) containing by weight not more than 15% of water and with a dry weight purity of 92% or more Free
  72. 2933 39 99 84 Diethyl(3-pyridyl)borane (cas rn 89878-14-8) with a purity by weight of 98% or more Free
  73. 2933 39 99 85 2-chloro-5-chloromethylpyridine (cas rn 70258-18-3) Free
  74. 2933 39 99 88 (1r,2s,4r)-2-benzhydrylquinuclidin-3-one (2r,3r)-2.3-dihydroxysuccinate (cas rn 683206-54-4) with a purity by weight of 98% or more Free
  75. 2933 39 99 89 1-benzyl-4-phenylpiperidine-4-carbonitrile monohydrochloride (cas rn 71258-18-9) with a purity by weight of 98% or more Free
  76. 2933 39 99 91 Piperidin-4-one cas no 41661-47-6 Free
  77. 2933 39 99 92 Tert-butyl 4-oxopiperidine-1-carboxylate cas no 79099-07-3 Free
  78. 2933 39 99 93 Boscalid (iso) (cas rn 188425-85-6) with a purity by weight of 98% or more Free
  79. 2933 39 99 94 Cyantraniliprole (iso) (cas rn 736994-63-1) with a purity by weight of 90% or more Free
  80. 2933 39 99 95 Fluopyram (iso) (cas rn 658066-35-4) with a purity by weight of 96.5% or more Free
  81. 2933 39 99 99 Other Free

EU Combined Nomenclature

EU lines →
  1. 2933 39 Other:
  2. 2933 39 10 Iproniazid (INN); ketobemidone hydrochloride (INNM); pyridostigmine bromide (INN) Free—
  3. 2933 39 20 2,3,5,6-Tetrachloropyridine Free—
  4. 2933 39 25 3,6-Dichloropyridine-2-carboxylic acid Free—
  5. 2933 39 35 2-Hydroxyethylammonium-3,6-dichloropyridine-2-carboxylate Free—
  6. 2933 39 40 2-Butoxyethyl(3,5,6-trichloro-2-pyridyloxy)acetate Free—
  7. 2933 39 45 3,5-Dichloro-2,4,6-trifluoropyridine Free—
  8. 2933 39 50 Fluroxypyr (ISO), methyl ester 4%—
  9. 2933 39 55 4-Methylpyridine Free—
  10. 2933 39 99 Other 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. 2933.39 Diğerleri :
  2. İproniazit (INN); ketobemidon hidroklorür (INNM); pridostigmin bromür (INN):
  3. 2933.39.10.00.11 İproniazit 25%
  4. 2933.39.10.00.12 Ketobemidon hidroklorür 25%
  5. 2933.39.10.00.13 Pridostigmin bromür 25%
  6. 2933.39.20.00.00 2,3,5,6 - Tetrakloropridin 25%
  7. 2933.39.25.00.00 3,6 - Dikloropridin -2 - karboksilik asit 25%
  8. 2933.39.35.00.00 2 - Hidroksietilamonyum - 3,6 - dikloropridin -2 - karboksilat 25%
  9. 2933.39.40.00.00 2 - Bütoksietil (3,5,6 - trikloro -2 - pridiloksi) asetat 25%
  10. 2933.39.45.00.00 3,5 - Dikloro - 2,4,6 - trifloropridin 25%
  11. 2933.39.50.00.00 Floroksipir (ISO), metil ester 25%
  12. 2933.39.55.00.00 4 - Metilpridin 25%
  13. Diğerleri:
  14. 2933.39.99.00.11 3-Pikolin (metilpiridin) 25%
  15. 2933.39.99.00.12 Lutidinler 25%
  16. 2933.39.99.00.13 Nikotinik asit dietilamit 25%
  17. 2933.39.99.00.14 Mezoinozidol hekzonikotinad 25%
  18. 2933.39.99.00.15 Tenaldin 25%
  19. 2933.39.99.00.16 3-Quinüklidinil benzilat 25%
  20. 2933.39.99.00.17 Norfentanil 25%
  21. 2933.39.99.00.22 Tropikamid 25%
  22. 2933.39.99.00.23 Alphaprodine 25%
  23. 2933.39.99.00.24 Pethidine intermediate B 25%
  24. 2933.39.99.00.25 Pethidine intermediate C 25%
  25. 2933.39.99.00.26 Phenazocine 25%
  26. 2933.39.99.00.27 Trihexyphenidyl (INN) 25%
  27. 2933.39.99.00.28 Biperiden (INN) 25%
  28. 2933.39.99.00.39 Diğerleri 25%

Harmonized Tariff Schedule of the United States

USA lines →
  1. 2933.39 Other:
  2. 2933.39.08.00 1-(3-Sulfo propyl) pyridinium hydroxide;N,N'-Bis (2,2,6,6-tetra methyl-4-piperidinyl)-1,6- hexane diamine; 3,5-Dimethyl-2-hydroxy methyl-4-methoxy- pyridine (pyrmethyl alcohol); Dipenta methylene thiuram tetra sulfide; 2H-Indol-2-one,1,3-dihydro-1-phenyl-3-(4- pyridinyl methylene); 4-Picolyl chloride hydro chloride; and Piperidino ethyl chloride hydro chloride Freekg
  3. 2933.39.10.00 Collidines, lutidines and picolines Freekg
  4. 2933.39.20.00 p-Chloro-2-benzylpyridine; 4-Chloro-1-methylpiperidine hydrochloride; 1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one; Di-(2,2,6,6-tetramethyl-4-hydroxy- piperidine)sebacate; 2-Methyl-5-ethylpyridine; 4-Phenylpropylpyridine; α-Phenylpyridylacetic acid, methyl ester; Picolinic acid; 2-Pyridinecarboxaldehyde; and 2,5-Pyridinedicarboxylic acid 5.8%kg
  5. Other:
  6. Pesticides
  7. 2933.39.21.00 Fungicides 6.5%kg
  8. Herbicides:
  9. 2933.39.23.00 o-Paraquat dichloride 6.5%kg
  10. 2933.39.25.00 Other 6.5%kg
  11. 2933.39.27.00 Other 6.5%kg
  12. Drugs:
  13. 2933.39.31.00 Antidepressants, tranquilizers and other psychotherapeutic agents 6.5%kg
  14. 2933.39.41.00 Other 6.5%kg
  15. Other:
  16. 2933.39.61 Products described in additional U.S. note 3 to section VI 6.5%
  17. 2933.39.61.10 3-Quinuclidinyl benzilate kg
  18. 2933.39.61.20 1-[N,N-Dialkyl (≤C10)-N-(n-(hydroxyl, cyano, acetoxy)alkyl (≤C10)) ammonio]-n-n-[N-(3- dimethylcarbamoxy-α-picolinyl)-N,N-dialkyl (≤C10) ammonio]decane dibromide (n=1-8) kg
  19. 2933.39.61.30 1,n-Bis[N-(3-dimethylcarbamoxy-α-picolyl)- N,N-dialkyl (≤ C10) ammonio]-alkane-(2,(n-1)- dione) dibromide (n=2-12) kg
  20. Other:
  21. 2933.39.61.40 N-phenyl-4-piperidinamine (4-AP), tert-butyl 4-(phenylamino)piperidine-1-carboxylate (tert-butyl 4-anilinopiperidine-1-carboxylate, 1-boc-4-AP), norfentanyl (N-phenyl-N-(4-piperidyl)propionamide), piperidin-4-one (4-piperidone) and tert-butyl 4-oxopiperidine-1-carboxylate (1-boc-4-piperidone); salts thereof kg
  22. 2933.39.61.92 Other kg
  23. 2933.39.92.00 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

2933.39 · US$11bn

Trade value (US$) no reported trade < US$896.5kUS$896.5k+US$33.4m+US$359.3m+> US$1.3bn

Exports: 98
  1. China: US$2.6bn
  2. Switzerland: US$1.4bn
  3. India: US$1.3bn
  4. Ireland: US$867.5m
  5. United States: US$760.8m
  6. Germany: US$600.7m
  7. France: US$571.2m
  8. Belgium: US$437.4m
  9. Italy: US$386m
  10. Japan: US$359.3m
  11. Spain: US$346.9m
  12. United Kingdom: US$272.8m
  13. Singapore: US$205.3m
  14. South Korea: US$124.3m
  15. Mexico: US$107.1m
  16. Netherlands: US$95m
  17. Slovenia: US$85.8m
  18. Sweden: US$68.1m
  19. Brazil: US$63.7m
  20. Finland: US$60.6m
  21. Hungary: US$46.6m
  22. Taiwan: US$34m
  23. Hong Kong SAR China: US$33.4m
  24. Argentina: US$19m
  25. Malta: US$15.4m
  26. Israel: US$15.3m
  27. Denmark: US$13.6m
  28. Poland: US$8.6m
  29. Romania: US$7.7m
  30. Austria: US$7.3m
  31. Canada: US$6.2m
  32. Portugal: US$5.4m
  33. Luxembourg: US$4.9m
  34. Ukraine: US$4.8m
  35. Czechia: US$4.1m
  36. Slovakia: US$3.5m
  37. Uruguay: US$3.2m
  38. Türkiye: US$2.8m
  39. Macao SAR China: US$2.7m
  40. Latvia: US$2.5m
  41. Indonesia: US$2.4m
  42. Pakistan: US$1.4m
  43. Croatia: US$1.3m
  44. Cyprus: US$1.2m
  45. Belize: US$1.1m
  46. Greece: US$896.5k
  47. Brunei: US$860.2k
  48. South Africa: US$700k
  49. Malaysia: US$668.9k
  50. United Arab Emirates: US$601.3k
  51. Serbia: US$521.8k
  52. Saudi Arabia: US$458.1k
  53. Australia: US$404k
  54. Colombia: US$340.1k
  55. Vietnam: US$283.2k
  56. Guatemala: US$256.5k
  57. Thailand: US$248k
  58. Lithuania: US$244.2k
  59. Jordan: US$224.7k
  60. Bulgaria: US$206.4k

Top exporters

RankCountryValueShare
1 China US$2.6bn 23.7%
2 Switzerland US$1.4bn 12.6%
3 India US$1.3bn 12%
4 Ireland US$867.5m 7.9%
5 United States US$760.8m 6.9%
6 Germany US$600.7m 5.5%
7 France US$571.2m 5.2%
8 Belgium US$437.4m 4%
9 Italy US$386m 3.5%
10 Japan US$359.3m 3.3%

Top importers

RankCountryValueShare
1 Germany US$1.6bn 14.3%
2 United States US$1.3bn 11.5%
3 Brazil US$1bn 9.2%
4 Slovenia US$644.9m 5.9%
5 China US$466.3m 4.2%
6 France US$458.6m 4.2%
7 Spain US$440.8m 4%
8 Belgium US$420.8m 3.8%
9 India US$389m 3.5%
10 Japan US$378.3m 3.4%

Questions and answers

What is the HS code for compounds containing an unfused pyridine ring: other?

Compounds containing an unfused pyridine ring: other fall under HS subheading 2933.39, part of heading 2933, in section VI of the Harmonized System.

What is the import duty on compounds containing an unfused pyridine ring in the UK?

Under the UK Global Tariff, imports under 2933.39 from countries without a preferential agreement are charged at 0% to 4%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.

What is the import duty on compounds containing an unfused pyridine ring in the EU?

Under the EU Combined Nomenclature, imports under 2933.39 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 compounds containing an unfused pyridine ring?

China, with US$2.6bn in 2024 (23.7% of world exports).