US tariff data as of 2026-10-09Tariffs dataset 1.0.0Entry dates 2025-01-01 to 2026-10-09
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Chapter 29 · HTS release 2026HTSRev21

HTS 2921 Amine-function compounds

Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.

Base rate (column 1 general)
Free to 6.5%
Additional duty, main origins
0–100%
Statistical lines
76
Entry date shown
2026-10-09 (dataset 1.0.0)

Additional duties for the main origins

Additional duties on 2026-10-09
OriginAdditional dutyMeasures
China0–93.5%Section 232, Section 301
Mexico0–100%Section 232, Section 301
Canada0–100%Section 232, Section 301
Vietnam0–93.5%Section 232, Section 301
Germany0–28.5%Section 232, Section 301

Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.

Chapter 99 headings on these lines

  • 9903.04.60 Section 232
  • 9903.04.62 Section 232
  • 9903.04.64 Section 232
  • 9903.04.65 Section 232
  • 9903.04.66 Section 232
  • 9903.04.67 Section 232
  • 9903.04.68 Section 232
  • 9903.04.69 Section 232
  • 9903.05.29 Section 301
  • 9903.05.31 Section 301
  • 9903.05.39 Section 301
  • 9903.05.55 Section 301
  • 9903.05.84 Section 301
  • 9903.05.90 Section 301
  • 9903.05.93 Section 301
  • 9903.05.94 Section 301
  • 9903.88.03 Section 301
  • 9903.88.15 Section 301

Every line, every origin, with citations

This page sums heading 2921 up. The duty for one line, origin and date comes from the duty engine:

  • Base rate plus each Chapter 99 line, in percent and in dollars
  • Citations to the Federal Register, CBP and the USITC, with the quoted text
  • The lines considered and not applied, and why
  • Any origin, any entry date from 2025-01-01 to 2026-10-09
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Lines in this heading

The 76 statistical lines of heading 2921

Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.

  • 2921.11.00.00Acyclic monoamines and their derivatives; salts thereof › Methylamine, di- or trimethylamine and their salts
  • 2921.12.01.00Acyclic monoamines and their derivatives; salts thereof › 2-(N,N-Dimethylamino)ethyl chloride hydrochloride
  • 2921.13.00.00Acyclic monoamines and their derivatives; salts thereof › 2-(N,N-Diethylamino)ethyl chloride hydrochloride
  • 2921.14.00.00Acyclic monoamines and their derivatives; salts thereof › 2-(N,N,-Diisopropylamino)ethyl chloride…
  • 2921.19.11.00… › Other › Mono-, di- and triethylamines;mono-, di-, and tri-(propyl- and butyl-)monoamines; salts of any of…
  • 2921.19.31.00… › Other › 3-Amino-3-methyl-1-butyne; (Dimethylamino)isopropyl chloride hydrochloride
  • 2921.19.61.10… › Other › N,N-Dialkyl (methyl, ethyl or n-propyl)-2-chloroethylamines and their protonated salts
  • 2921.19.61.20… › Other › Bis(2-chloroethyl)ethylamine)
  • 2921.19.61.30… › Other › Chlormethine (INN) (bis(2-chloroethyl)methylamine)
  • 2921.19.61.40… › Other › Trichlormethine (INN) (tris(2-chloroethyl)amine)
  • 2921.19.61.95… › Other › Other
  • 2921.21.00.00Acyclic polyamines and their derivatives; salts thereof › Ethylenediamine and its salts
  • 2921.22.05.00… › Hexamethylenediamine and its salts › Hexamethylenediamine adipate (Nylon salt)
  • 2921.22.10.00… › Other › Derived in whole or in part from adipic acid
  • 2921.22.50.00… › Other › Other
  • 2921.29.00.10… › Other › Tetraethylene pentamine
  • 2921.29.00.20… › Other › Triethylenetetramine
  • 2921.29.00.30… › Other › Diethylenetriamine
  • 2921.29.00.55… › Other › Other
  • 2921.30.05.00… › Derived in whole or in part from any aromatic compound › 1,3-Bis(aminoethyl)cyclohexane
  • 2921.30.10.00… › Other › Products described in additional U.S. note 3 to section VI
  • 2921.30.30.00… › Other › Other
  • 2921.30.50.00Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof › Other
  • 2921.41.10.00… › Aniline and its salts › Aniline
  • 2921.41.20.00… › Aniline and its salts › Aniline salts
  • 2921.42.10.00… › Aniline derivatives and their salts › N,N-Dimethylaniline
  • 2921.42.15.00… › Aniline derivatives and their salts › N-Ethylaniline; andN,N-Diethylaniline
  • 2921.42.16.00… › Aniline derivatives and their salts › 2,4,5-Trichloroaniline
  • 2921.42.18.00… › Aniline derivatives and their salts › o-Aminobenzenesulfonic acid (Orthanilic acid); 6-Chlorometanilic…
  • 2921.42.21.00… › Aniline derivatives and their salts › Metanilic acid
  • 2921.42.22.00… › Aniline derivatives and their salts › Sulfanilic acid
  • 2921.42.23.00… › Aniline derivatives and their salts › 3,4-Dichloroaniline
  • 2921.42.36.00… › Aniline derivatives and their salts › m-Chloroaniline; 2-Chloro-4-nitroaniline;…
  • 2921.42.55.00… › Other › Fast color bases
  • 2921.42.65.00… › Other › Products described in additional U.S. note 3 to section VI
  • 2921.42.90.00… › Other › Other
  • 2921.43.04.00… › Toluidines and their derivatives; salts thereof › 3-Chloro-o-toluidine; and 6-Chloro-o-toluidine
  • 2921.43.08.00… › Toluidines and their derivatives; salts thereof › 4-Chloro-o-toluidine and hydrochloride;…
  • 2921.43.15.00… › Toluidines and their derivatives; salts thereof › α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine…
  • 2921.43.19.00… › Toluidines and their derivatives; salts thereof › α,α,α-Trifluoro-o-toluidine;…
  • 2921.43.22.00… › Toluidines and their derivatives; salts thereof › N-Ethyl-N-(2-methyl-2-propenyl)-2,6-…
  • 2921.43.24.00… › Toluidines and their derivatives; salts thereof › 2-Amino-5-chloro-4-ethyl benzenesulfonic acid;…
  • 2921.43.40.00… › Other › Products described in additional U.S. note 3 to section VI
  • 2921.43.90.20… › Other › 2-Chloro-p-toluidine-5-sulfonic acid (CAS No. 88-51-7)
  • 2921.43.90.40… › Other › p-Toluidine-m-sulfonic acid (CAS No. 88-44-8)
  • 2921.43.90.90… › Other › Other
  • 2921.44.05.00… › Diphenylamine and its derivatives; salts thereof › 4,4'-Bis (α,α-dimethylbenzyl) diphenylamine;…
  • 2921.44.10.00… › Diphenylamine and its derivatives; salts thereof › Nitrodiphenylamine
  • 2921.44.20.00… › Other › Products described in additional U.S. note 3 to section VI
  • 2921.44.70.00… › Other › Other
  • 2921.45.10.00… › 1-Naphthylamine (α-Naphthylamine), 2-Naphthylamine (β-Naphthylamine), and their derivatives; salts…
  • 2921.45.20.00… › 1-Naphthylamine (α-Naphthylamine), 2-Naphthylamine (β-Naphthylamine), and their derivatives; salts…
  • 2921.45.25.00… › 1-Naphthylamine (α-Naphthylamine), 2-Naphthylamine (β-Naphthylamine), and their derivatives; salts…
  • 2921.45.60.00… › Other › Products described in additional U.S. note 3 to section VI
  • 2921.45.90.10… › Other › 2-Amino-1-naphthalenesulfonic acid (Tobias acid)
  • 2921.45.90.90… › Other › Other
  • 2921.46.00.00Aromatic monoamines and their derivatives; salts thereof › Amfetamine (INN), benzfetamine (INN),…
  • 2921.49.10.00… › Other › 4-Amino-2-stilbenesulfonic acid and its salts;p-Ethylaniline; 2,4,6-Trimethylaniline (Mesidine);…
  • 2921.49.15.00… › Other › m-Nitro-p-toluidine
  • 2921.49.32.00… › Other › Fast color bases
  • 2921.49.38.00… › Drugs › Antidepressants, tranquilizers and other psychotherapeutic agents
  • 2921.49.43.00… › Drugs › Other
  • 2921.49.45.00… › Other › Products described in additional U.S. note 3 to section VI
  • 2921.49.50.00… › Other › Other
  • 2921.51.10.00… › o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof ›…
  • 2921.51.20.00… › Other › Photographic chemicals
  • 2921.51.30.00… › Other › Products described in additional U.S. note 3 to section VI
  • 2921.51.50.00… › Other › Other
  • 2921.59.04.00… › Other › 1,8-Diaminonaphthalene (1,8-Naphthalenediamine)
  • 2921.59.08.00… › Other › 5-Amino-2-(p-aminoanilino) benzenesulfonic acid; 4,4'-Diamino-3-biphenylsulfonic acid…
  • 2921.59.17.00… › Other › 4,4'-Benzidine-2,2'-disulfonic acid; 1,4-Diaminobenzene-2-sulfonic acid; 4,4'-Methylene bis…
  • 2921.59.20.00… › Other › 4,4'-Diamino-2,2'-stilbenedisulfonic acid
  • 2921.59.30.00… › Other › 4,4'-Methylenedianiline
  • 2921.59.40.00… › Other › Products described in additional U.S. note 3 to section VI
  • 2921.59.80.10… › Other › 3,3'-Dichlorobenzidine dihydrochloride
  • 2921.59.80.90… › Other › Other

Recent changes

Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins. Dated changes, with their sources: the change list and the Tariff Change Feed.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.