Organic Chemicals · 1 pending regulation · 15 court cases · $474.4M monthly imports · 100% from 1 countries · Updated daily from USITC
General
Free
Special
Free
Column 2
Free
Trade Agreement Eligibility
Monthly Imports
$474.4M
2026-01
Trade Concentration
100%
from top 3 of 1 origins
Regulatory Pressure
HIGH
2 rulings — · 1 reg · 9 CIT, 6 CAFC
Global Rates
🇺🇸 Free
🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A
Compare All →
Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, Federal Register, CourtListener · As of 2026-04-29 · Updates monthly
This code has elevated regulatory activity — 2 CBP rulings (0 in last 2 years, trend: stable), 1 pending Federal Register actions, and 15 CIT/CAFC cases.
100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.
This is a high-volume import code — $474M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.
List 2 — ~$16B of Chinese goods (semiconductors, chemicals, plastics)
Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.
Effective 2018-07-06
These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →
| Code | Description | Rate |
|---|---|---|
| 2933.11.00.00 | Phenazone (Antipyrine) and its derivatives | 6.5% |
| 2933.19 | Other: | — |
| 2933.19.04.00 | Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(<i>p</i>-tolyl)-2-pyrazolin-5-one (<i>p</i>-Tolyl methyl pyrazolone) | Free |
| 2933.19.08.00 | 3-(5-Amino-3-methyl-1<i>H</i>-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-(<i>m</i>-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;<i>p</i>-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(<i>o</i>-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(<i>m</i>-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone | 5.8% |
| 2933.19.15.00 | 1,2-Dimethyl-3,5-diphenyl-1<i>H</i>-pyrazolium methyl sulfate (Difenzoquat methyl sulfate) | Free |
| 2933.19.18.00 | 2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;<i>m</i>-Sulfaminopyrazolone (<i>m</i>-Sulfamido- phenyl methyl pyrazolone); and 1-(<i>p</i>-Sulfophenyl)-3-methyl pyrazolone | Free |
| 2933.19.23.00 | Pesticides | 6.5% |
| 2933.19.30 | Photographic chemicals | 6.5% |
| 2933.19.30.10 | Couplers, for use in color negative photographic paper | — |
| 2933.19.30.95 | Other | — |
| 2933.19.35.00 | Drugs | 6.5% |
| 2933.19.37.00 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2933.19.43.00 | Other | 6.5% |
| 2933.19.45.00 | Drugs | 3.7% |
| 2933.19.70.00 | 3-Methyl-5-pyrazolone | Free |
| 2933.19.90.00 | Other | 6.5% |
| 2933.21.00.00 | Hydantoin and its derivatives | 6.5% |
| 2933.29 | Other: | — |
| 2933.29.05.00 | 1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1<i>H</i>-imidazole (Triflumizole); and Ethylene thiourea | Free |
| 2933.29.10.00 | 2-Phenylimidazole | 5.8% |
| 2933.29.20.00 | Drugs | 6% |
| 2933.29.35.00 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2933.29.43.00 | Other | 6.5% |
| 2933.29.45.00 | Drugs | 3.7% |
| 2933.29.60.00 | Imidazole | Free |
| 2933.29.90.00 | Other | 6.5% |
| 2933.31.00.00 | Pyridine and its salts | Free |
| 2933.32 | Piperidine and its salts: | — |
| 2933.32.10.00 | Piperidine | 6.5% |
| 2933.32.50.00 | Other | 6.5% |
| 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 | Free |
| 2933.34.00.00 | Other fentanyls and their derivatives | 6.5% |
| 2933.35.00.00 | 3-Quinuclidinol | 5.8% |
| 2933.36.00.00 | 4-Anilino-N-phenethylpiperidine (ANPP) | 6.5% |
| 2933.37.00.00 | N-Phenethyl-4-piperidone (NPP) | 6.5% |
| 2933.39 | Other: | — |
| 2933.39.08.00 | 1-(3-Sulfo propyl) pyridinium hydroxide;<i>N</i>,<i>N</i>'-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; 2<i>H</i>-Indol-2-one,1,3-dihydro-1-phenyl-3-(4- pyridinyl methylene); 4-Picolyl chloride hydro chloride; and Piperidino ethyl chloride hydro chloride | Free |
| 2933.39.10.00 | Collidines, lutidines and picolines | Free |
| 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% |
| 2933.39.21.00 | Fungicides | 6.5% |
| 2933.39.23.00 | <i>o</i>-Paraquat dichloride | 6.5% |
| 2933.39.25.00 | Other | 6.5% |
| 2933.39.27.00 | Other | 6.5% |
| 2933.39.31.00 | Antidepressants, tranquilizers and other psychotherapeutic agents | 6.5% |
| 2933.39.41.00 | Other | 6.5% |
| 2933.39.61 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2933.39.61.10 | 3-Quinuclidinyl benzilate | — |
| 2933.39.61.20 | 1-[<i>N,N</i>-Dialkyl (≤C<sub>10</sub>)-<i>N</i>-(<i>n</i>-(hydroxyl, cyano, acetoxy)alkyl (≤C<sub>10</sub>)) ammonio]-<i>n-n</i>-[<i>N</i>-(3- dimethylcarbamoxy-α-picolinyl)-<i>N,N</i>-dialkyl (≤C<sub>10</sub>) ammonio]decane dibromide (<i>n</i>=1-8) | — |
| 2933.39.61.30 | 1,<i>n</i>-Bis[<i>N</i>-(3-dimethylcarbamoxy-α-picolyl)- <i>N,N</i>-dialkyl (≤ C<sub>10</sub>) ammonio]-alkane-(2,(<i>n</i>-1)- dione) dibromide (<i>n</i>=2-12) | — |
| 2933.39.61.91 | Other | — |
| 2933.39.92.00 | Other | 6.5% |
| 2933.41.00.00 | Levorphanol (INN) and its salts | Free |
| 2933.49 | Other: | — |
| 2933.49.08.00 | 4,7-Dichloroquinoline | 6.5% |
| 2933.49.10.00 | Ethoxyquin (1,2-Dihydro-6-ethoxy-2,2,4- trimethylquinoline) | 6.5% |
| 2933.49.15.00 | 8-Methylquinoline and Isoquinoline | 5.8% |
| 2933.49.17.00 | Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate | Free |
| 2933.49.20.00 | 5-Chloro-7-iodo-8-quinolinol (Iodo chlo rhydroxy quin); Deco quinate; Diiodo hydroxy quin; and Oxy quinoline sulfate | 6.5% |
| 2933.49.26.00 | Other | 6.5% |
| 2933.49.30.00 | Pesticides | 6.5% |
| 2933.49.60.00 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2933.49.70.00 | Other | 6.5% |
| 2933.52 | Malonylurea (Barbituric acid) and its salts: | — |
| 2933.52.10.00 | Malonylurea (barbituric acid) | Free |
| 2933.52.90.00 | Other | Free |
| 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 | Free |
| 2933.54.00.00 | Other derivatives of malonylurea (barbituric acid); salts thereof | 3.7% |
| 2933.55.00.00 | Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereof | Free |
| 2933.59 | Other: | — |
| 2933.59.10.00 | Herbicides | 6.5% |
| 2933.59.15.00 | Other | 6.5% |
| 2933.59.18.00 | Other | 6.5% |
| 2933.59.21.00 | Antihistamines, including those principally used as anti-nauseants | 6.5% |
| 2933.59.22.00 | Nicarbazin; and Trimethoprim | 6.5% |
| 2933.59.36.00 | Other | 6.5% |
| 2933.59.46.00 | Antidepressants, tranquilizers and other psychotherapeutic agents | 6.5% |
| 2933.59.53.00 | Other | 6.5% |
| 2933.59.59.00 | Other | 3.7% |
| 2933.59.70.00 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2933.59.80.00 | Other | 6.5% |
| 2933.59.85.00 | 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil | Free |
| 2933.59.95.00 | Other | 6.5% |
| 2933.61.00.00 | Melamine | 3.5% |
| 2933.69 | Other: | — |
| 2933.69.20.00 | 2,4-Diamino-6-phenyl-1,3,5-triazine | Free |
| 2933.69.50.00 | Hexamethylenetetramine | 6.3% |
| 2933.69.60 | Other | 3.5% |
| 2933.69.60.10 | Cyanuric chloride | — |
| 2933.69.60.15 | Sodium dichloroisocyanurate and trichloroisocyanuric acid | — |
| 2933.69.60.21 | Other | — |
| 2933.69.60.30 | Products used principally for rubber processing | — |
| 2933.69.60.50 | Other | — |
| 2933.71.00.00 | 6-Hexanelactam (ε-Caprolactam) | 6.5% |
| 2933.72.00.00 | Clobazam (INN) and methyprylon (INN) | Free |
| 2933.79 | Other lactams: | — |
| 2933.79.04.00 | 2,5-Dihydro-3,6-diphenylpyrrolo-(3,4-<i>c</i>)- pyrrole-1,4-dione | Free |
| 2933.79.08.00 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2933.79.15.00 | Other | 6.5% |
| 2933.79.20.00 | <i>N</i>-Methyl-2-pyrrolidone; and 2-Pyrrolidone | 4.2% |
| 2933.79.30.00 | <i>N</i>-Vinyl-2-pyrrolidone, monomer | 5.5% |
| 2933.79.40.00 | 12-Aminododecanoic acid lactam | Free |
| 2933.79.85.00 | Other | 6.5% |
| 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 |
| 2933.91.00.10 | Lorazepam (INN); salts thereof | — |
| 2933.91.00.50 | Other | — |
| 2933.92.00.00 | Azinphos-methyl | Free |
| 2933.99 | Other: | — |
| 2933.99.01.00 | Butyl (<i>R</i>)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoate | Free |
| 2933.99.02.00 | 2-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl ester | Free |
| 2933.99.05.00 | Acridine and indole | Free |
| 2933.99.06.00 | <i>α</i>-Butyl-<i>α</i>-(4-chlorophenyl)-1<i>H</i>-1,2,4- triazole-1- propanenitrile (Myclobutanil); and<i>α</i>-[2-(4-Chlorophenyl)ethyl]-<i>α</i>-phenyl-1<i>H</i>- 1,2,4-triazole-1-propanenitrile (Fenbuconazole) | 6.5% |
| 2933.99.08.00 | Aceto acetyl-5-amino benz imidazolone; 3-(2<i>H</i>-Benzo triazol-2-yl)-5-(<i>tert</i>-butyl)-4- hydroxy benzene propanoic acid, C7-C9 branched or linear alkyl esters; 2-(2<i>H</i>-Benzotriazol-2-yl)-6-dodecyl-4- methyl phenol, in liquid form, branched and linear; and 1,3,3-Trimethyl-2-methyleneindoline | Free |
| 2933.99.11.00 | Carbazole | Free |
| 2933.99.12.00 | 6-Bromo-5-methyl-1<i>H</i>-imidazo[4,5-<i>b</i>]- pyridine; 2-<i>sec</i>-Butyl-4-<i>tert</i>-butyl-6-(benzotriazol-2- yl)phenol; 2-<i>tert</i>-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-<i>tert</i>-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-5<i>H</i>-dibenz- [<i>b</i>,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;<i>dl</i>-Tryptophan; and Vinylcarbazole, monomer | 5.8% |
| 2933.99.14.00 | 5-Amino-4-chloro-<i>α</i>-phenyl-3- pyridazinone | 6.5% |
| 2933.99.16.00 | <i>o</i>-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide) | Free |
| 2933.99.17.01 | Insecticides | 6.5% |
| 2933.99.22.00 | Other | 6.5% |
| 2933.99.24.00 | Photographic chemicals | 6.5% |
| 2933.99.26.00 | Antihistamines | 6.5% |
| 2933.99.42.00 | Acriflavine; Acriflavine hydrochloride; Carbadox; and Pyrazinamide | Free |
| 2933.99.46.00 | Other | 6.5% |
| 2933.99.51.00 | Hydralazine hydrochloride | Free |
| 2933.99.53.00 | Other | 6.5% |
| 2933.99.55 | Analgesics, antipyretics and nonhormonal anti-inflammatory agents | 6.5% |
| 2933.99.55.10 | Tolmetin | — |
| 2933.99.55.20 | Tolmetin sodium dihydrate | — |
| 2933.99.55.30 | Tolmetin sodium (anhydrous) | — |
| 2933.99.55.90 | Other | — |
| 2933.99.58.00 | Droperidol; and Imipramine hydrochloride | Free |
| 2933.99.61.00 | Other | 6.5% |
| 2933.99.65.00 | Anticonvulsants, hypnotics and sedatives | 6.5% |
| 2933.99.70.00 | Other | 6.5% |
| 2933.99.75.00 | Other | 6.5% |
| 2933.99.79.00 | Products described in additional U.S. note 3 to section VI | 6.5% |
| 2933.99.82 | Other | 6.5% |
| 2933.99.82.10 | Benzotriazole (CAS No. 95-14-7) | — |
| 2933.99.82.20 | Tolyltriazole (CAS No. 29385-43-1) | — |
| 2933.99.82.90 | Other | — |
| 2933.99.85.00 | 3-Amino-1,2,4-triazole | 3.7% |
| 2933.99.89.00 | Hexamethyleneimine | Free |
| 2933.99.90.00 | Drugs | 3.7% |
| 2933.99.97.01 | Other | 6.5% |
PHENAZONE (ANTIPYRINE) AND ITS DERIVATIVES
Census Bureau export classification matching this HTS import code.
