HTS heading 2933 · Chapter 29
HTS 2933: Heterocyclic compounds with nitrogen hetero-atom only
HTS heading 2933 covers heterocyclic compounds with nitrogen hetero-atom(s) only. It has 113 tariff lines with a duty rate; the general (MFN) rates are 6.5% (62 lines), Free (33 lines), 5.8% (6 lines) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: | |||||
| 2933.11.00.00 | Phenazone (Antipyrine) and its derivatives[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 49.5% | Estimate → |
| 2933.19 | Other: | ||||
| Aromatic or modified aromatic: | |||||
| 2933.19.04.00 | Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone)[kg] | Free | 15.4¢/kg + 39.5% | Estimate → | |
| 2933.19.08.00 | 3-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone[kg] | 5.8% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 39.5% | Estimate → |
| 2933.19.15.00 | 1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)[kg] | Free | 15.4¢/kg + 48.5% | Estimate → | |
| 2933.19.18.00 | 2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;m-Sulfaminopyrazolone (m-Sulfamido- phenyl methyl pyrazolone); and 1-(p-Sulfophenyl)-3-methyl pyrazolone[kg] | Free | 15.4¢/kg + 52% | Estimate → | |
| Other: | |||||
| 2933.19.23.00 | Pesticides[kg] | 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% | Estimate → |
| 2933.19.30 | Photographic chemicals | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 50% | |
| 2933.19.30.10 | Couplers, for use in color negative photographic paper[kg] | Estimate → | |||
| 2933.19.30.95 | Other[kg] | Estimate → | |||
| 2933.19.35.00 | Drugs[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 47.5% | Estimate → |
| Other: | |||||
| 2933.19.37.00 | Products described in additional U.S. note 3 to section VI[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 52% | Estimate → |
| 2933.19.43.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 52% | Estimate → |
| Other: | |||||
| 2933.19.45.00 | Drugs[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| Other: | |||||
| 2933.19.70.00 | 3-Methyl-5-pyrazolone[kg] | Free | 30.5% | Estimate → | |
| 2933.19.90.00 | Other[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30.5% | Estimate → |
| Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: | |||||
| 2933.21.00.00 | Hydantoin and its derivatives[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 63% | Estimate → |
| 2933.29 | Other: | ||||
| Aromatic or modified aromatic: | |||||
| 2933.29.05.00 | 1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thiourea[kg] | Free | 15.4¢/kg + 52% | Estimate → | |
| 2933.29.10.00 | 2-Phenylimidazole[kg] | 5.8% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 39.5% | Estimate → |
| Other: | |||||
| 2933.29.20.00 | Drugs[kg] | 6% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 51% | Estimate → |
| Other: | |||||
| 2933.29.35.00 | Products described in additional U.S. note 3 to section VI[kg] | 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% | Estimate → |
| 2933.29.43.00 | Other[kg] | 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% | Estimate → |
| Other: | |||||
| 2933.29.45.00 | Drugs[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| Other: | |||||
| 2933.29.60.00 | Imidazole[kg] | Free | 30.5% | Estimate → | |
| 2933.29.90.00 | Other[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30.5% | Estimate → |
| Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: | |||||
| 2933.31.00.00 | Pyridine and its salts[kg] | Free | Free | Estimate → | |
| 2933.32 | Piperidine and its salts: | ||||
| 2933.32.10.00 | Piperidine[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 52% | Estimate → |
| 2933.32.50.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 52% | Estimate → |
| 2933.33.01.00 | Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN), remifentanil (INN) and trimeperidine (INN); salts thereof[kg] | Free | 15.4¢/kg + 149.5% | Estimate → | |
| 2933.34.00.00 | Other fentanyls and their derivatives[kg] | 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% | Estimate → |
| 2933.35.00.00 | 3-Quinuclidinol[kg] | 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% | Estimate → |
| 2933.36.00.00 | 4-Anilino-N-phenethylpiperidine (ANPP)[kg] | 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% | Estimate → |
| 2933.37.00.00 | N-Phenethyl-4-piperidone (NPP)[kg] | 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% | Estimate → |
| 2933.39 | Other: | ||||
| 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[kg] | Free | 15.4¢/kg + 52% | Estimate → | |
| 2933.39.10.00 | Collidines, lutidines and picolines[kg] | Free | Free | Estimate → | |
| 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[kg] | 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% | Estimate → |
| Other: | |||||
| Pesticides | |||||
| 2933.39.21.00 | Fungicides[kg] | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40% | Estimate → |
| Herbicides: | |||||
| 2933.39.23.00 | o-Paraquat dichloride[kg] | 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% | Estimate → |
| 2933.39.25.00 | Other[kg] | 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% | Estimate → |
| 2933.39.27.00 | Other[kg] | 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% | Estimate → |
| Drugs: | |||||
| 2933.39.31.00 | Antidepressants, tranquilizers and other psychotherapeutic agents[kg] | 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% | Estimate → |
| 2933.39.41.00 | Other[kg] | 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% | Estimate → |
| Other: | |||||
| 2933.39.61 | Products described in additional U.S. note 3 to section VI | 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% | |
| 2933.39.61.10 | 3-Quinuclidinyl benzilate[kg] | Estimate → | |||
| 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] | Estimate → | |||
| 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] | Estimate → | |||
| Other: | |||||
| 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] | Estimate → | |||
| 2933.39.61.92 | Other[kg] | Estimate → | |||
| 2933.39.92.00 | Other[kg] | 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% | Estimate → |
| Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: | |||||
| 2933.41.00.00 | Levorphanol (INN) and its salts[kg] | Free | 15.4¢/kg + 67.5% | Estimate → | |
| 2933.49 | Other: | ||||
| 2933.49.08.00 | 4,7-Dichloroquinoline[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 52% | Estimate → |
| 2933.49.10.00 | Ethoxyquin (1,2-Dihydro-6-ethoxy-2,2,4- trimethylquinoline)[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 55% | Estimate → |
| 2933.49.15.00 | 8-Methylquinoline and Isoquinoline[kg] | 5.8% | Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 39.5% | Estimate → |
| 2933.49.17.00 | Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate[kg] | Free | 15.4¢/kg + 52% | Estimate → | |
| Other: | |||||
| Drugs: | |||||
| 2933.49.20.00 | 5-Chloro-7-iodo-8-quinolinol (Iodo chlo rhydroxy quin); Deco quinate; Diiodo hydroxy quin; and Oxy quinoline sulfate[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 46% | Estimate → |
| 2933.49.26.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 67.5% | Estimate → |
| 2933.49.30.00 | Pesticides[kg] | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40% | Estimate → |
| Other: | |||||
| 2933.49.60.00 | Products described in additional U.S. note 3 to section VI[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 52% | Estimate → |
| 2933.49.70.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 52% | Estimate → |
| Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: | |||||
| 2933.52 | Malonylurea (Barbituric acid) and its salts: | ||||
| 2933.52.10.00 | Malonylurea (barbituric acid)[kg] | Free | 25% | Estimate → | |
| 2933.52.90.00 | Other[kg] | Free | 50% | Estimate → | |
| 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[kg] | Free | 50% | Estimate → | |
| 2933.54.00.00 | Other derivatives of malonylurea (barbituric acid); salts thereof[kg] | 3.7% | Free (A+,AU,BH,CL,CO,D, E,IL, JO,K,KR, L,MA,OM,P, PA,PE,S,SG) | 50% | Estimate → |
| 2933.55.00.00 | Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereof[kg] | Free | 15.4¢/kg + 149.5% | Estimate → | |
| 2933.59 | Other: | ||||
| Pesticides: | |||||
| Aromatic or modified aromatic | |||||
| 2933.59.10.00 | Herbicides[kg] | 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% | Estimate → |
| 2933.59.15.00 | Other[kg] | 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% | Estimate → |
| 2933.59.18.00 | Other[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30.5% | Estimate → |
| Drugs: | |||||
| Aromatic or modified aromatic: | |||||
| 2933.59.21.00 | Antihistamines, including those principally used as anti-nauseants[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 82% | Estimate → |
| Anti-infective agents: | |||||
| 2933.59.22.00 | Nicarbazin; and Trimethoprim[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 46% | Estimate → |
| 2933.59.36.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 67.5% | Estimate → |
| 2933.59.46.00 | Antidepressants, tranquilizers and other psychotherapeutic agents[kg] | 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% | Estimate → |
| 2933.59.53.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% | Estimate → |
| 2933.59.59.00 | Other[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| Other: | |||||
| Aromatic or modified aromatic: | |||||
| 2933.59.70.00 | Products described in additional U.S. note 3 to section VI[kg] | 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% | Estimate → |
| 2933.59.80.00 | Other[kg] | 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% | Estimate → |
| Other: | |||||
| 2933.59.85.00 | 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil[kg] | Free | 30.5% | Estimate → | |
| 2933.59.95.00 | Other[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 30.5% | Estimate → |
| Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: | |||||
| 2933.61.00.00 | Melamine[kg] | 3.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 2933.69 | Other: | ||||
| 2933.69.20.00 | 2,4-Diamino-6-phenyl-1,3,5-triazine[kg] | Free | 25% | Estimate → | |
| 2933.69.50.00 | Hexamethylenetetramine[kg] | 6.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 58% | Estimate → |
| 2933.69.60 | Other | 3.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 25% | |
| 2933.69.60.10 | Cyanuric chloride[kg] | Estimate → | |||
| Pesticides: | |||||
| 2933.69.60.15 | Sodium dichloroisocyanurate and trichloroisocyanuric acid[kg] | Estimate → | |||
| 2933.69.60.21 | Other[kg] | Estimate → | |||
| 2933.69.60.30 | Products used principally for rubber processing[kg] | Estimate → | |||
| 2933.69.60.50 | Other[kg] | Estimate → | |||
| Lactams: | |||||
| 2933.71.00.00 | 6-Hexanelactam (ε-Caprolactam)[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40% | Estimate → |
| 2933.72.00.00 | Clobazam (INN) and methyprylon (INN)[kg] | Free | 15.4¢/kg + 52% | Estimate → | |
| 2933.79 | Other lactams: | ||||
| Aromatic or modified aromatic: | |||||
| 2933.79.04.00 | 2,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dione[kg] | Free | 15.4¢/kg + 52% | Estimate → | |
| Other: | |||||
| 2933.79.08.00 | Products described in additional U.S. note 3 to section VI[kg] | 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% | Estimate → |
| 2933.79.15.00 | Other[kg] | 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% | Estimate → |
| Other: | |||||
| 2933.79.20.00 | N-Methyl-2-pyrrolidone; and 2-Pyrrolidone[kg] | 4.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 2933.79.30.00 | N-Vinyl-2-pyrrolidone, monomer[kg] | 5.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | Estimate → |
| 2933.79.40.00 | 12-Aminododecanoic acid lactam[kg] | Free | 30.5% | Estimate → | |
| 2933.79.85.00 | Other[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 30.5% | Estimate → |
| Other: | |||||
| 2933.91.00 | Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), flurazepam (INN), halazepam (INN), lorazepam (INN), lormetazepam (INN), mazindol (INN), medazepam (INN), midazolam (INN), nimetazepam (INN), nitrazepam (INN), nordazepam (INN), oxazepam (INN), pinazepam (INN), prazepam (INN), pyrovalerone (INN), temazepam (INN), tetrazepam (INN) and triazolam (INN); salts thereof | Free | 15.4¢/kg + 149.5% | ||
| 2933.91.00.10 | Lorazepam (INN); salts thereof[kg] | Estimate → | |||
| 2933.91.00.50 | Other[kg] | Estimate → | |||
| 2933.92.00.00 | Azinphos-methyl[kg] | Free | 15.4¢/kg + 64.5% | Estimate → | |
| 2933.99 | Other: | ||||
| Aromatic or modified aromatic: | |||||
| 2933.99.01.00 | Butyl (R)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoate[kg] | Free | 15.4¢/kg + 50% | Estimate → | |
| 2933.99.02.00 | 2-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl ester[kg] | Free | 15.4¢/kg + 64.5% | Estimate → | |
| 2933.99.05.00 | Acridine and indole[kg] | Free | Free | Estimate → | |
| 2933.99.06.00 | α-Butyl-α-(4-chlorophenyl)-1H-1,2,4- triazole-1- propanenitrile (Myclobutanil); andα-[2-(4-Chlorophenyl)ethyl]-α-phenyl-1H- 1,2,4-triazole-1-propanenitrile (Fenbuconazole)[kg] | 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% | Estimate → |
| 2933.99.08.00 | Aceto acetyl-5-amino benz imidazolone; 3-(2H-Benzo triazol-2-yl)-5-(tert-butyl)-4- hydroxy benzene propanoic acid, C7-C9 branched or linear alkyl esters; 2-(2H-Benzotriazol-2-yl)-6-dodecyl-4- methyl phenol, in liquid form, branched and linear; and 1,3,3-Trimethyl-2-methyleneindoline[kg] | Free | 15.4¢/kg + 52% | Estimate → | |
| 2933.99.11.00 | Carbazole[kg] | Free | 15.4¢/kg + 39.5% | Estimate → | |
| 2933.99.12.00 | 6-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-butyl-6-(benzotriazol-2- yl)phenol; 2-tert-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-tert-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-tert-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5H-dibenz- [b,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;dl-Tryptophan; and Vinylcarbazole, monomer[kg] | 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% | Estimate → |
| Other: | |||||
| Pesticides: | |||||
| 2933.99.14.00 | 5-Amino-4-chloro-α-phenyl-3- pyridazinone[kg] | 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% | Estimate → |
| 2933.99.16.00 | o-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide)[kg] | Free | 15.4¢/kg + 40.5% | Estimate → | |
| Other: | |||||
| 2933.99.17.01 | Insecticides[kg] | 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% | Estimate → |
| 2933.99.22.00 | Other[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 64.5% | Estimate → |
| 2933.99.24.00 | Photographic chemicals[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 50% | Estimate → |
| Drugs: | |||||
| 2933.99.26.00 | Antihistamines[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% | Estimate → |
| Anti-infective agents: | |||||
| 2933.99.42.00 | Acriflavine; Acriflavine hydrochloride; Carbadox; and Pyrazinamide[kg] | Free | 15.4¢/kg + 46% | Estimate → | |
| 2933.99.46.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 67.5% | Estimate → |
| Cardiovascular drugs: | |||||
| 2933.99.51.00 | Hydralazine hydrochloride[kg] | Free | 15.4¢/kg + 47.5% | Estimate → | |
| 2933.99.53.00 | Other[kg] | 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% | Estimate → |
| Drugs primarily affecting the central nervous system: | |||||
| 2933.99.55 | Analgesics, antipyretics and nonhormonal anti-inflammatory 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 +47.5% | |
| 2933.99.55.10 | Tolmetin[kg] | Estimate → | |||
| 2933.99.55.20 | Tolmetin sodium dihydrate[kg] | Estimate → | |||
| 2933.99.55.30 | Tolmetin sodium (anhydrous)[kg] | Estimate → | |||
| 2933.99.55.90 | Other[kg] | Estimate → | |||
| Antidepressants, tranquilizers and other psychotherapeutic agents: | |||||
| 2933.99.58.00 | Droperidol; and Imipramine hydrochloride[kg] | Free | 15.4¢/kg + 45.5% | Estimate → | |
| 2933.99.61.00 | Other[kg] | 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% | Estimate → |
| 2933.99.65.00 | Anticonvulsants, hypnotics and sedatives[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 48.5% | Estimate → |
| 2933.99.70.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 58.5% | Estimate → |
| 2933.99.75.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% | Estimate → |
| Other: | |||||
| 2933.99.79.00 | Products described in additional U.S. note 3 to section VI[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 52% | Estimate → |
| 2933.99.82 | Other | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 52% | |
| 2933.99.82.10 | Benzotriazole (CAS No. 95-14-7)[kg] | Estimate → | |||
| 2933.99.82.20 | Tolyltriazole (CAS No. 29385-43-1)[kg] | Estimate → | |||
| 2933.99.82.90 | Other[kg] | Estimate → | |||
| Other: | |||||
| 2933.99.85.00 | 3-Amino-1,2,4-triazole[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 2933.99.89.00 | Hexamethyleneimine[kg] | Free | 30.5% | Estimate → | |
| Other: | |||||
| 2933.99.90.00 | Drugs[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 2933.99.97.01 | Other[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 30.5% | Estimate → |
134 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 2933.11.00.00 at the general rate of 6.5%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (6.5%) | $650.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $697.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- K
- Agreement on Trade in Pharmaceutical Products
- KR
- U.S.–Korea FTA (KORUS)
- L
- Uruguay Round concessions on intermediate chemicals for dyes
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
Frequently asked questions
What is the duty rate for HTS 2933?
Heading 2933 has 113 rate lines. The general (MFN) duty rates are 6.5% (62 lines), Free (33 lines), 5.8% (6 lines), 3.7% (6 lines). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 2933?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 2933?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.