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United States tariff, chapter 29: Organic chemicals

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Key facts

National lines
1,227
Subheadings
410
Tariff
United States
Chapter
29: Organic chemicals

Summary

The United States tariff has 1,227 national lines in HS chapter 29 (organic chemicals), under 410 subheadings in 42 headings.

Subheadings with United States lines

The United States tariff has 1,227 national lines in HS chapter 29 (organic chemicals), under 410 subheadings in 42 headings.

Subheadings 301 to 400 of 410, page 4 of 5.

29.31 Other organo-inorganic compounds

  • 2931.46Non-halogenated organo-phosphorous derivatives: 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide1 line
  • 2931.47Non-halogenated organo-phosphorous derivatives: (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate1 line
  • 2931.48Non-halogenated organo-phosphorous derivatives: 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5] undecane 3,9-dioxide1 line
  • 2931.49Non-halogenated organo-phosphorous derivatives: Other8 lines
  • 2931.51Halogenated organo-phosphorous derivatives: Methylphosphonic dichloride1 line
  • 2931.52Halogenated organo-phosphorous derivatives: Propylphosphonic dichloride1 line
  • 2931.53Halogenated organo-phosphorous derivatives: O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionate1 line
  • 2931.54Halogenated organo-phosphorous derivatives: Trichlorfon (ISO)1 line
  • 2931.59Halogenated organo-phosphorous derivatives: Other8 lines
  • 2931.90Other16 lines

29.32 Heterocyclic compounds with oxygen hetero-atom(s) only

  • 2932.11Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: Tetrahydrofuran1 line
  • 2932.12Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: 2-Furaldehyde (furfuraldehyde)1 line
  • 2932.13Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: Furfuryl alcohol and tetrahydrofurfuryl alcohol1 line
  • 2932.14Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: Sucralose1 line
  • 2932.19Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: Other2 lines
  • 2932.20Lactones10 lines
  • 2932.91Other: Isosafrole1 line
  • 2932.92Other: 1-(1,3-Benzodioxol-5-yl)propan-2-one1 line
  • 2932.93Other: Piperonal1 line
  • 2932.94Other: Safrole1 line
  • 2932.95Other: Tetrahydrocannabinols (all isomers)1 line
  • 2932.96Other: Carbofuran (ISO)1 line
  • 2932.99Other: Other12 lines

29.33 Heterocyclic compounds with nitrogen hetero-atom(s) only

  • 2933.11Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: Phenazone (antipyrin) and its derivatives1 line
  • 2933.19Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: Other13 lines
  • 2933.21Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Hydantoin and its derivatives1 line
  • 2933.29Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Other8 lines
  • 2933.31Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Pyridine and its salts1 line
  • 2933.32Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Piperidine and its salts2 lines
  • 2933.33Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 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 thereof1 line
  • 2933.34Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other fentanyls and their derivatives1 line
  • 2933.35Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 3-Quinuclidinol1 line
  • 2933.36Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 4-Anilino-N-phenethylpiperidine (ANPP)1 line
  • 2933.37Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: N-Phenethyl-4-piperidone (NPP)1 line
  • 2933.39Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other15 lines
  • 2933.41Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: Levorphanol (INN) and its salts1 line
  • 2933.49Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: Other9 lines
  • 2933.52Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Malonylurea (barbituric acid) and its salts2 lines
  • 2933.53Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: 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 thereof1 line
  • 2933.54Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other derivatives of malonylurea (barbituric acid); salts thereof1 line
  • 2933.55Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereof1 line
  • 2933.59Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other13 lines
  • 2933.61Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Melamine1 line
  • 2933.69Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Other7 lines
  • 2933.71Lactams: 6-Hexanelactam (epsilon-caprolactam)1 line
  • 2933.72Lactams: Clobazam (INN) and methyprylon (INN)1 line
  • 2933.79Lactams: Other lactams7 lines
  • 2933.91Other: 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 thereof2 lines
  • 2933.92Other: Azinphos-methyl (ISO)1 line
  • 2933.99Other: Other34 lines

29.34 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds

  • 2934.10Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure4 lines
  • 2934.20Compounds containing in the structure a benzothiazole ring- system (whether or not hydrogenated), not further fused9 lines
  • 2934.30Compounds containing in the structure a phenothiazine ring- system (whether or not hydrogenated), not further fused6 lines
  • 2934.91Other: Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), haloxazolam (INN), ketazolam (INN), mesocarb (INN), oxazolam (INN), pemoline (INN), phendimetrazine (INN), phenmetrazine (INN) and sufentanil (INN); salts thereof1 line
  • 2934.92Other: Other fentanyls and their derivatives1 line
  • 2934.99Other: Other22 lines

29.35 Sulfonamides

  • 2935.10N-Methylperfluorooctane sulphonamide1 line
  • 2935.20N-Ethylperfluorooctane sulphonamide1 line
  • 2935.30N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide1 line
  • 2935.40N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide1 line
  • 2935.50Other perfluorooctane sulphonamides1 line
  • 2935.90Other14 lines

29.36 Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent

  • 2936.21Vitamins and their derivatives, unmixed: Vitamins A and their derivatives1 line
  • 2936.22Vitamins and their derivatives, unmixed: Vitamin B1 and its derivatives1 line
  • 2936.23Vitamins and their derivatives, unmixed: Vitamin B2 and its derivatives1 line
  • 2936.24Vitamins and their derivatives, unmixed: D- or DL-Pantothenic acid (Vitamin B5) and its derivatives1 line
  • 2936.25Vitamins and their derivatives, unmixed: Vitamin B6 and its derivatives1 line
  • 2936.26Vitamins and their derivatives, unmixed: Vitamin B12 and its derivatives1 line
  • 2936.27Vitamins and their derivatives, unmixed: Vitamin C and its derivatives1 line
  • 2936.28Vitamins and their derivatives, unmixed: Vitamin E and its derivatives1 line
  • 2936.29Vitamins and their derivatives, unmixed: Other vitamins and their derivatives8 lines
  • 2936.90Other, including natural concentrates2 lines

29.37 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones

  • 2937.11Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: Somatotropin, its derivatives and structural analogues1 line
  • 2937.12Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: Insulin and its salts1 line
  • 2937.19Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: Other1 line
  • 2937.21Steroidal hormones, their derivatives and structural analogues: Cortisone, hydrocortisone, prednisone (dehydrocortisone) and prednisolone (dehydrohydrocortisone)4 lines
  • 2937.22Steroidal hormones, their derivatives and structural analogues: Halogenated derivatives of corticosteroidal hormones2 lines
  • 2937.23Steroidal hormones, their derivatives and structural analogues: Oestrogens and progestogens7 lines
  • 2937.29Steroidal hormones, their derivatives and structural analogues: Other6 lines
  • 2937.50Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues1 line
  • 2937.90Other6 lines

29.38 Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives

29.39 Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives

  • 2939.11Alkaloids of opium and their derivatives; salts thereof: Concentrates of poppy straw; buprenorphine (INN), codeine, dihydrocodeine (INN), ethylmorphine, etorphine (INN), heroin, hydrocodone (INN), hydromorphone (INN), morphine, nicomorphine (INN), oxycodone (INN), oxymorphone (INN), pholcodine (INN), thebacon (INN) and thebaine; salts thereof1 line
  • 2939.19Alkaloids of opium and their derivatives; salts thereof: Other3 lines
  • 2939.20Alkaloids of cinchona and their derivatives; salts thereof2 lines
  • 2939.30Caffeine and its salts1 line
  • 2939.41Alkaloids of ephedra and their derivatives; salts thereof: Ephedrine and its salts1 line
  • 2939.42Alkaloids of ephedra and their derivatives; salts thereof: Pseudoephedrine (INN) and its salts1 line
  • 2939.43Alkaloids of ephedra and their derivatives; salts thereof: Cathine (INN) and its salts1 line
  • 2939.44Alkaloids of ephedra and their derivatives; salts thereof: Norephedrine and its salts1 line
  • 2939.45Alkaloids of ephedra and their derivatives; salts thereof: Levometamfetamine, metamfetamine (INN), metamfetamine racemate and their salts1 line
  • 2939.49Alkaloids of ephedra and their derivatives; salts thereof: Other1 line
  • 2939.51Theophylline and aminophylline (theophylline-ethylenediamine) and their derivatives; salts thereof: Fenetylline (INN) and its salts1 line
  • 2939.59Theophylline and aminophylline (theophylline-ethylenediamine) and their derivatives; salts thereof: Other1 line
  • 2939.61Alkaloids of rye ergot and their derivatives; salts thereof: Ergometrine (INN) and its salts1 line
  • 2939.62Alkaloids of rye ergot and their derivatives; salts thereof: Ergotamine (INN) and its salts1 line
  • 2939.63Alkaloids of rye ergot and their derivatives; salts thereof: Lysergic acid and its salts1 line
  • 2939.69Alkaloids of rye ergot and their derivatives; salts thereof: Other1 line
  • 2939.72Other, of vegetal origin: Cocaine, ecgonine; salts, esters and other derivatives thereof1 line

In other countries

No other national tariff on border.bot has live lines under chapter 29 yet.

The Harmonized System text for chapter 29

Frequently asked questions

How many national tariff lines does the United States tariff have in HS chapter 29?

The United States tariff has 1,227 national lines in HS chapter 29 (organic chemicals), under 410 subheadings in 42 headings.

Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

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