Chapter 29 · Organic chemicals · Section 6

HS Code 2933.39

Other

Heading 2933: Heterocyclic compounds with nitrogen hetero-atom(s) only

US duty (general)
Free - 6.5%
US HTS lines
11
EU CN codes
10
UK commodity codes
81
Unit
kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 2933.39

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2933.39.08 Other >
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 		Free - 15.4¢/kg + 52% kg
2933.39.10 Other >
Collidines, lutidines and picolines 		Free - Free kg
2933.39.20 Other >
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% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 39.5% kg
2933.39.21 Other > Pesticides >
Fungicides 		6.5% Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 40% kg
2933.39.23 Pesticides > Herbicides >
o-Paraquat dichloride 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 40.5% kg
2933.39.25 Pesticides > Herbicides >
Other 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 48.5% kg
2933.39.27 Pesticides > Herbicides >
Other 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 64.5% kg
2933.39.31 Other > Drugs >
Antidepressants, tranquilizers and other psychotherapeutic agents 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 149.5% kg
2933.39.41 Other > Drugs >
Other 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 65% kg
2933.39.61 Other > Other >
Products described in additional U.S. note 3 to section VI
5 statistical lines (10-digit)
  • 2933.39.61.10 - 3-Quinuclidinyl benzilate
  • 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)
  • 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)
  • 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
  • 2933.39.61.92 - Other
 6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 52% kg
2933.39.92 Products described in additional U.S. note 3 to section VI > Other >
Other 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 52% kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2933.39

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2933 39 55 4-Methylpyridine EU duty (TARIC) →
2933 39 99 Other EU duty (TARIC) →
2933 39 50 Fluroxypyr (ISO), methyl ester EU duty (TARIC) →
2933 39 40 2-Butoxyethyl(3,5,6-trichloro-2-pyridyloxy)acetate EU duty (TARIC) →
2933 39 10 Iproniazid (INN); ketobemidone hydrochloride (INNM); pyridostigmine bromide (INN) EU duty (TARIC) →
2933 39 25 3,6-Dichloropyridine-2-carboxylic acid EU duty (TARIC) →
2933 39 20 2,3,5,6-Tetrachloropyridine EU duty (TARIC) →
2933 39 45 3,5-Dichloro-2,4,6-trifluoropyridine EU duty (TARIC) →
2933 39 35 2-Hydroxyethylammonium-3,6-dichloropyridine-2-carboxylate EU duty (TARIC) →
2933 39 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 2933.39

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2933 39 00 00 Other UK duty & VAT →
2933 39 10 00 Iproniazid (INN); ketobemidone hydrochloride (INNM); pyridostigmine bromide (INN) UK duty & VAT →
2933 39 20 00 2,3,5,6-Tetrachloropyridine UK duty & VAT →
2933 39 25 00 3,6-Dichloropyridine-2-carboxylic acid UK duty & VAT →
2933 39 35 00 2-Hydroxyethylammonium-3,6-dichloropyridine-2-carboxylate UK duty & VAT →
2933 39 40 00 2-Butoxyethyl(3,5,6-trichloro-2-pyridyloxy)acetate UK duty & VAT →
2933 39 45 00 3,5-Dichloro-2,4,6-trifluoropyridine UK duty & VAT →
2933 39 50 00 Fluroxypyr (ISO), methyl ester UK duty & VAT →
2933 39 55 00 4-Methylpyridine UK duty & VAT →
2933 39 99 00 Other UK duty & VAT →
2933 39 99 01 N-phenylpiperidin-4-amine (4-AP) (CAS RN 23056-29-3) UK duty & VAT →
2933 39 99 02 Tert-butyl 4-anilinopiperidine-1-carboxylate (1-boc-4-AP) (CAS RN 125541-22-2) UK duty & VAT →
2933 39 99 03 N-phenyl-N-(piperidin-4-yl)propanamide (norfentanyl) (CAS RN 1609-66-1) UK duty & VAT →
2933 39 99 04 Methyl 4-aminopicolinate (CAS RN 71469-93-7) with a purity by weight of 98 % or more UK duty & VAT →
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 UK duty & VAT →
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 UK duty & VAT →
2933 39 99 07 5-Bromo-2-methoxypyridine (CAS RN 13472-85-0) with a purity by weight of 99 % or more UK duty & VAT →
2933 39 99 08 Fluazinam (ISO) (CAS RN 79622-59-6) with a purity by weight of 97 % or more UK duty & VAT →
2933 39 99 09 2-(2-Pyridyl)ethanol (CAS RN 103-74-2) with a purity by weight of 99 % or more UK duty & VAT →
2933 39 99 10 2-Aminopyridin-4-ol hydrochloride (CAS RN 1187932-09-7) UK duty & VAT →
2933 39 99 11 2-(Chloromethyl)-4-(3-methoxypropoxy)-3-methylpyridine hydrochloride(CAS RN 153259-31-5) UK duty & VAT →
2933 39 99 12 2,3-Dichloropyridine (CAS RN 2402-77-9) UK duty & VAT →
2933 39 99 13 Imazamox (ISO) (CAS RN 114311-32-9) with a purity by weight of 95 % or more UK duty & VAT →
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 UK duty & VAT →
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 UK duty & VAT →
2933 39 99 17 2,4-Dichloro-3-nitropyridine (CAS RN 5975-12-2) with a purity by weight of 99 % or more UK duty & VAT →
2933 39 99 18 Perfluorophenyl 6-fluoropyridine-2-sulfonate (CAS RN 2608048-81-1) with a purity by weight of 98 % or more UK duty & VAT →
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 UK duty & VAT →
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 UK duty & VAT →
2933 39 99 24 2-Chloromethyl-4-methoxy-3,5-dimethylpyridine hydrochloride (CAS RN 86604-75-3) UK duty & VAT →
2933 39 99 27 Pyridine-2,6-dicarboxylic acid (CAS RN 499-83-2) UK duty & VAT →
2933 39 99 28 Ethyl-3-[(3-amino-4-methylamino-benzoyl)-pyridin-2-yl-amino]-propionate (CAS RN 212322-56-0) UK duty & VAT →
2933 39 99 31 2-(Chloromethyl)-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hydrochloride(CAS RN 127337-60-4) UK duty & VAT →
2933 39 99 32 2-(Chloromethyl)-3,4-dimethoxypyridine hydrochloride (CAS RN 72830-09-2) UK duty & VAT →
2933 39 99 33 5-(3-chlorophenyl)-3-methoxypyridine-2-carbonitrile (CAS RN 1415226-39-9) UK duty & VAT →
2933 39 99 34 Pyridin-3-ol (CAS RN 109-00-2) with a purity by weight of 98 % or more UK duty & VAT →
2933 39 99 35 Aminopyralid (ISO) (CAS RN 150114-71-9) UK duty & VAT →
2933 39 99 36 1-[2-[5-Methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]acetyl]piperidine-4-carbothioamide (CAS RN 1003319-95-6) UK duty & VAT →
2933 39 99 37 Aqueous solution of pyridine-2-thiol-1-oxide, sodium salt (CAS RN 3811-73-2) UK duty & VAT →
2933 39 99 38 (2-chloropyridin-3-yl) methanol (CAS RN 42330-59-6) UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 2933

2933.00 2933 Heterocyclic compounds with nitrogen hetero-atom(s) only 2933.11 Phenazone (Antipyrine) and its derivatives 2933.19 Other 2933.21 Hydantoin and its derivatives 2933.29 Other 2933.31 Pyridine and its salts 2933.32 Piperidine and its salts 2933.33 Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN 2933.34 Other fentanyls and their derivatives 2933.35 3-Quinuclidinol 2933.36 4-Anilino-N-phenethylpiperidine (ANPP) 2933.37 N-Phenethyl-4-piperidone (NPP) 2933.39 Other 2933.41 Levorphanol (INN) and its salts

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.