# United States tariff, chapter 29: Organic chemicals (page 4 of 5) > The United States tariff has 1,227 national lines in HS chapter 29 (organic chemicals), under 410 subheadings in 42 headings. Page 4 of 5. Source: https://border.bot/countries/united-states/hs-codes/29?page=4 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) Page 4 of 5: subheadings 301 to 400 of 410. Previous page: [page 3](https://border.bot/countries/united-states/hs-codes/29?page=3). Next page: [page 5](https://border.bot/countries/united-states/hs-codes/29?page=5). ## Key facts - National lines: 1,227 - Subheadings: 410 - Tariff: [United States](https://border.bot/countries/united-states) - Chapter: 29: Organic chemicals ## 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. ### 29.31 Other organo-inorganic compounds - [2931.46](https://border.bot/countries/united-states/hs-codes/293146) Non-halogenated organo-phosphorous derivatives: 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide (1 line) - [2931.47](https://border.bot/countries/united-states/hs-codes/293147) Non-halogenated organo-phosphorous derivatives: (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate (1 line) - [2931.48](https://border.bot/countries/united-states/hs-codes/293148) Non-halogenated organo-phosphorous derivatives: 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5] undecane 3,9-dioxide (1 line) - [2931.49](https://border.bot/countries/united-states/hs-codes/293149) Non-halogenated organo-phosphorous derivatives: Other (8 lines) - [2931.51](https://border.bot/countries/united-states/hs-codes/293151) Halogenated organo-phosphorous derivatives: Methylphosphonic dichloride (1 line) - [2931.52](https://border.bot/countries/united-states/hs-codes/293152) Halogenated organo-phosphorous derivatives: Propylphosphonic dichloride (1 line) - [2931.53](https://border.bot/countries/united-states/hs-codes/293153) Halogenated organo-phosphorous derivatives: O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionate (1 line) - [2931.54](https://border.bot/countries/united-states/hs-codes/293154) Halogenated organo-phosphorous derivatives: Trichlorfon (ISO) (1 line) - [2931.59](https://border.bot/countries/united-states/hs-codes/293159) Halogenated organo-phosphorous derivatives: Other (8 lines) - [2931.90](https://border.bot/countries/united-states/hs-codes/293190) Other (16 lines) ### 29.32 Heterocyclic compounds with oxygen hetero-atom(s) only - [2932.11](https://border.bot/countries/united-states/hs-codes/293211) Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: Tetrahydrofuran (1 line) - [2932.12](https://border.bot/countries/united-states/hs-codes/293212) Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: 2-Furaldehyde (furfuraldehyde) (1 line) - [2932.13](https://border.bot/countries/united-states/hs-codes/293213) Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: Furfuryl alcohol and tetrahydrofurfuryl alcohol (1 line) - [2932.14](https://border.bot/countries/united-states/hs-codes/293214) Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: Sucralose (1 line) - [2932.19](https://border.bot/countries/united-states/hs-codes/293219) Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: Other (2 lines) - [2932.20](https://border.bot/countries/united-states/hs-codes/293220) Lactones (10 lines) - [2932.91](https://border.bot/countries/united-states/hs-codes/293291) Other: Isosafrole (1 line) - [2932.92](https://border.bot/countries/united-states/hs-codes/293292) Other: 1-(1,3-Benzodioxol-5-yl)propan-2-one (1 line) - [2932.93](https://border.bot/countries/united-states/hs-codes/293293) Other: Piperonal (1 line) - [2932.94](https://border.bot/countries/united-states/hs-codes/293294) Other: Safrole (1 line) - [2932.95](https://border.bot/countries/united-states/hs-codes/293295) Other: Tetrahydrocannabinols (all isomers) (1 line) - [2932.96](https://border.bot/countries/united-states/hs-codes/293296) Other: Carbofuran (ISO) (1 line) - [2932.99](https://border.bot/countries/united-states/hs-codes/293299) Other: Other (12 lines) ### 29.33 Heterocyclic compounds with nitrogen hetero-atom(s) only - [2933.11](https://border.bot/countries/united-states/hs-codes/293311) Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: Phenazone (antipyrin) and its derivatives (1 line) - [2933.19](https://border.bot/countries/united-states/hs-codes/293319) Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: Other (13 lines) - [2933.21](https://border.bot/countries/united-states/hs-codes/293321) Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Hydantoin and its derivatives (1 line) - [2933.29](https://border.bot/countries/united-states/hs-codes/293329) Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Other (8 lines) - [2933.31](https://border.bot/countries/united-states/hs-codes/293331) Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Pyridine and its salts (1 line) - [2933.32](https://border.bot/countries/united-states/hs-codes/293332) Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Piperidine and its salts (2 lines) - [2933.33](https://border.bot/countries/united-states/hs-codes/293333) Compounds 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 thereof (1 line) - [2933.34](https://border.bot/countries/united-states/hs-codes/293334) Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other fentanyls and their derivatives (1 line) - [2933.35](https://border.bot/countries/united-states/hs-codes/293335) Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 3-Quinuclidinol (1 line) - [2933.36](https://border.bot/countries/united-states/hs-codes/293336) Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 4-Anilino-N-phenethylpiperidine (ANPP) (1 line) - [2933.37](https://border.bot/countries/united-states/hs-codes/293337) Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: N-Phenethyl-4-piperidone (NPP) (1 line) - [2933.39](https://border.bot/countries/united-states/hs-codes/293339) Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other (15 lines) - [2933.41](https://border.bot/countries/united-states/hs-codes/293341) Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: Levorphanol (INN) and its salts (1 line) - [2933.49](https://border.bot/countries/united-states/hs-codes/293349) Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: Other (9 lines) - [2933.52](https://border.bot/countries/united-states/hs-codes/293352) Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Malonylurea (barbituric acid) and its salts (2 lines) - [2933.53](https://border.bot/countries/united-states/hs-codes/293353) Compounds 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 thereof (1 line) - [2933.54](https://border.bot/countries/united-states/hs-codes/293354) Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other derivatives of malonylurea (barbituric acid); salts thereof (1 line) - [2933.55](https://border.bot/countries/united-states/hs-codes/293355) Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereof (1 line) - [2933.59](https://border.bot/countries/united-states/hs-codes/293359) Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other (13 lines) - [2933.61](https://border.bot/countries/united-states/hs-codes/293361) Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Melamine (1 line) - [2933.69](https://border.bot/countries/united-states/hs-codes/293369) Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Other (7 lines) - [2933.71](https://border.bot/countries/united-states/hs-codes/293371) Lactams: 6-Hexanelactam (epsilon-caprolactam) (1 line) - [2933.72](https://border.bot/countries/united-states/hs-codes/293372) Lactams: Clobazam (INN) and methyprylon (INN) (1 line) - [2933.79](https://border.bot/countries/united-states/hs-codes/293379) Lactams: Other lactams (7 lines) - [2933.91](https://border.bot/countries/united-states/hs-codes/293391) Other: 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 (2 lines) - [2933.92](https://border.bot/countries/united-states/hs-codes/293392) Other: Azinphos-methyl (ISO) (1 line) - [2933.99](https://border.bot/countries/united-states/hs-codes/293399) Other: Other (34 lines) ### 29.34 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds - [2934.10](https://border.bot/countries/united-states/hs-codes/293410) Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure (4 lines) - [2934.20](https://border.bot/countries/united-states/hs-codes/293420) Compounds containing in the structure a benzothiazole ring- system (whether or not hydrogenated), not further fused (9 lines) - [2934.30](https://border.bot/countries/united-states/hs-codes/293430) Compounds containing in the structure a phenothiazine ring- system (whether or not hydrogenated), not further fused (6 lines) - [2934.91](https://border.bot/countries/united-states/hs-codes/293491) Other: 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 thereof (1 line) - [2934.92](https://border.bot/countries/united-states/hs-codes/293492) Other: Other fentanyls and their derivatives (1 line) - [2934.99](https://border.bot/countries/united-states/hs-codes/293499) Other: Other (22 lines) ### 29.35 Sulfonamides - [2935.10](https://border.bot/countries/united-states/hs-codes/293510) N-Methylperfluorooctane sulphonamide (1 line) - [2935.20](https://border.bot/countries/united-states/hs-codes/293520) N-Ethylperfluorooctane sulphonamide (1 line) - [2935.30](https://border.bot/countries/united-states/hs-codes/293530) N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide (1 line) - [2935.40](https://border.bot/countries/united-states/hs-codes/293540) N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide (1 line) - [2935.50](https://border.bot/countries/united-states/hs-codes/293550) Other perfluorooctane sulphonamides (1 line) - [2935.90](https://border.bot/countries/united-states/hs-codes/293590) Other (14 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 - [2936.21](https://border.bot/countries/united-states/hs-codes/293621) Vitamins and their derivatives, unmixed: Vitamins A and their derivatives (1 line) - [2936.22](https://border.bot/countries/united-states/hs-codes/293622) Vitamins and their derivatives, unmixed: Vitamin B1 and its derivatives (1 line) - [2936.23](https://border.bot/countries/united-states/hs-codes/293623) Vitamins and their derivatives, unmixed: Vitamin B2 and its derivatives (1 line) - [2936.24](https://border.bot/countries/united-states/hs-codes/293624) Vitamins and their derivatives, unmixed: D- or DL-Pantothenic acid (Vitamin B5) and its derivatives (1 line) - [2936.25](https://border.bot/countries/united-states/hs-codes/293625) Vitamins and their derivatives, unmixed: Vitamin B6 and its derivatives (1 line) - [2936.26](https://border.bot/countries/united-states/hs-codes/293626) Vitamins and their derivatives, unmixed: Vitamin B12 and its derivatives (1 line) - [2936.27](https://border.bot/countries/united-states/hs-codes/293627) Vitamins and their derivatives, unmixed: Vitamin C and its derivatives (1 line) - [2936.28](https://border.bot/countries/united-states/hs-codes/293628) Vitamins and their derivatives, unmixed: Vitamin E and its derivatives (1 line) - [2936.29](https://border.bot/countries/united-states/hs-codes/293629) Vitamins and their derivatives, unmixed: Other vitamins and their derivatives (8 lines) - [2936.90](https://border.bot/countries/united-states/hs-codes/293690) Other, including natural concentrates (2 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 - [2937.11](https://border.bot/countries/united-states/hs-codes/293711) Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: Somatotropin, its derivatives and structural analogues (1 line) - [2937.12](https://border.bot/countries/united-states/hs-codes/293712) Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: Insulin and its salts (1 line) - [2937.19](https://border.bot/countries/united-states/hs-codes/293719) Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: Other (1 line) - [2937.21](https://border.bot/countries/united-states/hs-codes/293721) Steroidal hormones, their derivatives and structural analogues: Cortisone, hydrocortisone, prednisone (dehydrocortisone) and prednisolone (dehydrohydrocortisone) (4 lines) - [2937.22](https://border.bot/countries/united-states/hs-codes/293722) Steroidal hormones, their derivatives and structural analogues: Halogenated derivatives of corticosteroidal hormones (2 lines) - [2937.23](https://border.bot/countries/united-states/hs-codes/293723) Steroidal hormones, their derivatives and structural analogues: Oestrogens and progestogens (7 lines) - [2937.29](https://border.bot/countries/united-states/hs-codes/293729) Steroidal hormones, their derivatives and structural analogues: Other (6 lines) - [2937.50](https://border.bot/countries/united-states/hs-codes/293750) Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues (1 line) - [2937.90](https://border.bot/countries/united-states/hs-codes/293790) Other (6 lines) ### 29.38 Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives - [2938.10](https://border.bot/countries/united-states/hs-codes/293810) Rutoside (rutin) and its derivatives (1 line) - [2938.90](https://border.bot/countries/united-states/hs-codes/293890) Other (1 line) ### 29.39 Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives - [2939.11](https://border.bot/countries/united-states/hs-codes/293911) Alkaloids 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 thereof (1 line) - [2939.19](https://border.bot/countries/united-states/hs-codes/293919) Alkaloids of opium and their derivatives; salts thereof: Other (3 lines) - [2939.20](https://border.bot/countries/united-states/hs-codes/293920) Alkaloids of cinchona and their derivatives; salts thereof (2 lines) - [2939.30](https://border.bot/countries/united-states/hs-codes/293930) Caffeine and its salts (1 line) - [2939.41](https://border.bot/countries/united-states/hs-codes/293941) Alkaloids of ephedra and their derivatives; salts thereof: Ephedrine and its salts (1 line) - [2939.42](https://border.bot/countries/united-states/hs-codes/293942) Alkaloids of ephedra and their derivatives; salts thereof: Pseudoephedrine (INN) and its salts (1 line) - [2939.43](https://border.bot/countries/united-states/hs-codes/293943) Alkaloids of ephedra and their derivatives; salts thereof: Cathine (INN) and its salts (1 line) - [2939.44](https://border.bot/countries/united-states/hs-codes/293944) Alkaloids of ephedra and their derivatives; salts thereof: Norephedrine and its salts (1 line) - [2939.45](https://border.bot/countries/united-states/hs-codes/293945) Alkaloids of ephedra and their derivatives; salts thereof: Levometamfetamine, metamfetamine (INN), metamfetamine racemate and their salts (1 line) - [2939.49](https://border.bot/countries/united-states/hs-codes/293949) Alkaloids of ephedra and their derivatives; salts thereof: Other (1 line) - [2939.51](https://border.bot/countries/united-states/hs-codes/293951) Theophylline and aminophylline (theophylline-ethylenediamine) and their derivatives; salts thereof: Fenetylline (INN) and its salts (1 line) - [2939.59](https://border.bot/countries/united-states/hs-codes/293959) Theophylline and aminophylline (theophylline-ethylenediamine) and their derivatives; salts thereof: Other (1 line) - [2939.61](https://border.bot/countries/united-states/hs-codes/293961) Alkaloids of rye ergot and their derivatives; salts thereof: Ergometrine (INN) and its salts (1 line) - [2939.62](https://border.bot/countries/united-states/hs-codes/293962) Alkaloids of rye ergot and their derivatives; salts thereof: Ergotamine (INN) and its salts (1 line) - [2939.63](https://border.bot/countries/united-states/hs-codes/293963) Alkaloids of rye ergot and their derivatives; salts thereof: Lysergic acid and its salts (1 line) - [2939.69](https://border.bot/countries/united-states/hs-codes/293969) Alkaloids of rye ergot and their derivatives; salts thereof: Other (1 line) - [2939.72](https://border.bot/countries/united-states/hs-codes/293972) Other, of vegetal origin: Cocaine, ecgonine; salts, esters and other derivatives thereof (1 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](https://border.bot/hs-codes/29) Page 4 of 5: subheadings 301 to 400 of 410. Previous page: [page 3](https://border.bot/countries/united-states/hs-codes/29?page=3). Next page: [page 5](https://border.bot/countries/united-states/hs-codes/29?page=5). - Previous chapter: [28](https://border.bot/countries/united-states/hs-codes/28) Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals - Next chapter: [30](https://border.bot/countries/united-states/hs-codes/30) Glands and other organs for organotherapeutic uses, dried, whether or not powdered; extracts of glands or other organs or of their secretions for organotherapeutic uses; heparin and its salts; other human or animal substances prepared for therapeutic or prophylactic uses, not elsewhere specified or included ## 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. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/29.json?page=4