USMCA.COM
Chapter 29 HTS Revision 18 (2026)

Tariff Schedule

Chapter 29: Organic chemicals

774 provisions in this chapter where a USMCA claim changes the duty. 4 are also subject to Section 338 duties on Canadian goods, which a USMCA claim does not remove.

Showing 401 to 600 of 774, by tariff number.

HTSDescription GeneralUSMCASection 338
2920.30.00.00 Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated… 3.7% Free
2920.90.10.00 Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated… 6.5% Free
2920.90.20.00 Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated… 6.5% Free
2920.90.51 Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated… 3.7% Free
2921.11.00.00 Amine-function compounds: Methylamine, di- or trimethylamine and their salts 3.7% Free
2921.14.00.00 Amine-function compounds: 2-(N,N,-Diisopropylamino)ethyl chloride hydrochloride 6.5% Free
2921.19.11.00 Amine-function compounds: Mono-, di- and triethylamines;mono-, di-, and tri-(propyl- and butyl-)monoamines; salts of any of the… 3.7% Free
2921.19.61 Amine-function compounds: Other 6.5% Free
2921.21.00.00 Amine-function compounds: Ethylenediamine and its salts 5.8% Free
2921.22.05.00 Amine-function compounds: Hexamethylenediamine adipate (Nylon salt) 6.5% Free
2921.22.10.00 Amine-function compounds: Derived in whole or in part from adipic acid 6.5% Free
2921.22.50.00 Amine-function compounds: Other 6.5% Free
2921.29.00 Amine-function compounds: Other 6.5% Free
2921.30.10.00 Amine-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2921.30.30.00 Amine-function compounds: Other 6.5% Free
2921.30.50.00 Amine-function compounds: Other 3.7% Free
2921.41.10.00 Amine-function compounds: Aniline 6.5% Free
2921.41.20.00 Amine-function compounds: Aniline salts 6.5% Free
2921.42.10.00 Amine-function compounds: N,N-Dimethylaniline 6.5% Free
2921.42.15.00 Amine-function compounds: N-Ethylaniline; andN,N-Diethylaniline 6.5% Free
2921.42.18.00 Amine-function compounds: o-Aminobenzenesulfonic acid (Orthanilic acid); 6-Chlorometanilic acid; 2-Chloro-5-nitroaniline… 5.8% Free
2921.42.21.00 Amine-function compounds: Metanilic acid 6.5% Free
2921.42.22.00 Amine-function compounds: Sulfanilic acid 6.5% Free
2921.42.23.00 Amine-function compounds: 3,4-Dichloroaniline 6.5% Free
2921.42.55.00 Amine-function compounds: Fast color bases 6.5% Free
2921.42.65.00 Amine-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2921.42.90.00 Amine-function compounds: Other 6.5% Free
2921.43.08.00 Amine-function compounds: 4-Chloro-o-toluidine and hydrochloride; 5-Chloro-o-toluidine; 6-Chloro-2-toluidine-4-sulfonic acid… 5.8% Free
2921.43.15.00 Amine-function compounds: α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin) 6.5% Free
2921.43.19.00 Amine-function compounds: α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine 6.5% Free
2921.43.22.00 Amine-function compounds: N-Ethyl-N-(2-methyl-2-propenyl)-2,6- dinitro-4-(trifluoromethyl)benzenamine 6.5% Free
2921.43.40.00 Amine-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2921.43.90 Amine-function compounds: Other 6.5% Free
2921.44.10.00 Amine-function compounds: Nitrodiphenylamine 6.5% Free
2921.44.20.00 Amine-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2921.44.70.00 Amine-function compounds: Other 6.5% Free
2921.45.10.00 Amine-function compounds: 7-Amino-1,3-naphthalenedisulfonic acid and its salts; 5-Amino-2-naphthalenesulfonic acid and its… 6.5% Free
2921.45.20.00 Amine-function compounds: 3-Amino-2,7-naphthalenedisulfonic acid; 4-Amino-1-naphthalenesulfonic acid, sodium salt… 5.8% Free
2921.45.60.00 Amine-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2921.45.90 Amine-function compounds: Other 6.5% Free
2921.49.10.00 Amine-function compounds: 4-Amino-2-stilbenesulfonic acid and its salts;p-Ethylaniline; 2,4,6-Trimethylaniline (Mesidine)… 5.8% Free
2921.49.32.00 Amine-function compounds: Fast color bases 6.5% Free
2921.49.38.00 Amine-function compounds: Antidepressants, tranquilizers and other psychotherapeutic agents 6.5% Free
2921.49.43.00 Amine-function compounds: Other 6.5% Free
2921.49.45.00 Amine-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2921.49.50.00 Amine-function compounds: Other 6.5% Free
2921.51.10.00 Amine-function compounds: 4-Amino-2-(N,N-diethylamino) toluene hydrochloride;m-Phenylenediamine;o-Phenylenediamine… 6.5% Free
2921.51.20.00 Amine-function compounds: Photographic chemicals 6.5% Free
2921.51.30.00 Amine-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2921.51.50.00 Amine-function compounds: Other 6.5% Free
2921.59.08.00 Amine-function compounds: 5-Amino-2-(p-aminoanilino) benzenesulfonic acid; 4,4'-Diamino-3-biphenylsulfonic acid… 5.8% Free
2921.59.20.00 Amine-function compounds: 4,4'-Diamino-2,2'-stilbenedisulfonic acid 6.5% Free
2921.59.30.00 Amine-function compounds: 4,4'-Methylenedianiline 6.5% Free
2921.59.40.00 Amine-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2921.59.80 Amine-function compounds: Other 6.5% Free
2922.11.00.00 Oxygen-function amino-compounds: Monoethanolamine and its salts 6.5% Free
2922.12.00.01 Oxygen-function amino-compounds: Diethanolamine and its salts 6.5% Free
2922.15.00.00 Oxygen-function amino-compounds: Triethanolamine 6.5% Free
2922.16.00.00 Oxygen-function amino-compounds: Diethylammonium perfluorooctane sulfonate 6.5% Free
2922.17.00.00 Oxygen-function amino-compounds: Methyldiethanolamine and ethyldiethanolamine 6.5% Free
2922.18.00.00 Oxygen-function amino-compounds: 2-(N,N-Diisopropylamino)ethanol 6.5% Free
2922.19.09 Oxygen-function amino-compounds: Drugs 6.5% Free
2922.19.20.00 Oxygen-function amino-compounds: 4,4'-Bis(dimethylamino) benzhydrol (Michler's hydrol); 5'-[3'-(Dimethylamino) propyl]-10',11'-… 5.8% Free
2922.19.60.00 Oxygen-function amino-compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2922.19.70.00 Oxygen-function amino-compounds: Other 6.5% Free
2922.19.90.00 Oxygen-function amino-compounds: Salts of triethanolamine 6.5% Free
2922.19.96 Oxygen-function amino-compounds: Other 6.5% Free
2922.21.10.00 Oxygen-function amino-compounds: 1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid; 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic… 5.8% Free
2922.21.40.00 Oxygen-function amino-compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2922.21.50.00 Oxygen-function amino-compounds: Other 6.5% Free
2922.29.03.00 Oxygen-function amino-compounds: o-Anisidine;p-Anisidine; andp-Phenetidine 6.5% Free
2922.29.10.00 Oxygen-function amino-compounds: 2-Amino-6-chloro-4-nitrophenol; 2-Amino-4-chlorophenol; 2-Amino-4-chlorophenol hydrochloride… 5.8% Free
2922.29.15.00 Oxygen-function amino-compounds: m-Diethylaminophenol;m-Dimethylaminophenol; 3-Ethylamino-p-cresol; and… 6.5% Free
2922.29.26.00 Oxygen-function amino-compounds: Fast color bases 6.5% Free
2922.29.27.00 Oxygen-function amino-compounds: Drugs 6.5% Free
2922.29.29.00 Oxygen-function amino-compounds: Photographic chemicals 6.5% Free
2922.29.61.00 Oxygen-function amino-compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2922.29.81 Oxygen-function amino-compounds: Other 6.5% Free
2922.39.10.00 Oxygen-function amino-compounds: 2'-Amino aceto phenone; 3'-Amino aceto phenone; 1-Amino-4-bromo-2-methyl anthra quinone… 5.8% Free
2922.39.14.00 Oxygen-function amino-compounds: 2-Aminoanthraquinone 6.5% Free
2922.39.25.00 Oxygen-function amino-compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2922.39.45.00 Oxygen-function amino-compounds: Other 6.5% Free
2922.39.50.00 Oxygen-function amino-compounds: Other 6.5% Free
2922.41.00 Oxygen-function amino-compounds: Lysine and its esters; salts thereof 3.7% Free
2922.42.10.00 Oxygen-function amino-compounds: Monosodium glutamate 6.5% Free
2922.42.50.00 Oxygen-function amino-compounds: Other 3.7% Free
2922.43.10.00 Oxygen-function amino-compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2922.43.50.00 Oxygen-function amino-compounds: Other 6.5% Free
2922.49.10.00 Oxygen-function amino-compounds: m-Aminobenzoic acid, technical;p-Aminobenzoic acid; 3,5-Diaminobenzoic acid… 5.8% Free
2922.49.26.00 Oxygen-function amino-compounds: Drugs 6.5% Free
2922.49.30.00 Oxygen-function amino-compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2922.49.37.00 Oxygen-function amino-compounds: Other 6.5% Free
2922.49.43.00 Oxygen-function amino-compounds: Glycine (Aminoacetic acid) 4.2% Free
2922.49.49 Oxygen-function amino-compounds: Other amino acids 4.2% Free
2922.49.80.00 Oxygen-function amino-compounds: Other 3.7% Free
2922.50.10.00 Oxygen-function amino-compounds: dl-3-(3,4-Di hydroxy phenyl) alanine;N-Ethyl-N-(2-methoxy carbonyl ethyl) aniline;dl-Phenyl… 5.8% Free
2922.50.11.00 Oxygen-function amino-compounds: Salts of d(-)-p-Hydroxyphenylglycine ((R)- α-Amino-4-hydroxybenzeneacetic acid) 6.5% Free
2922.50.14.00 Oxygen-function amino-compounds: Cardiovascular drugs 6.5% Free
2922.50.17.00 Oxygen-function amino-compounds: Dermatological agents and local anesthetics 6.5% Free
2922.50.19.00 Oxygen-function amino-compounds: Guaiacol derivatives 6.5% Free
2922.50.25.00 Oxygen-function amino-compounds: Other 6.5% Free
2922.50.35.00 Oxygen-function amino-compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2922.50.40.00 Oxygen-function amino-compounds: Other 6.5% Free
2922.50.50.00 Oxygen-function amino-compounds: Other 6.5% Free
2923.10.00.00 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined: Choline and… 3.7% Free
2923.20.20 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined: Other 5% Free
2923.30.00.00 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined:… 6.2% Free
2923.40.00.00 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined:… 6.2% Free
2923.90.01.00 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined: Other 6.2% Free
2924.12.00.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Fluoroacetamide (ISO), monocrotophos (ISO) and… 3.7% Free
2924.19.11 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Amides 3.7% Free
2924.19.80.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.21.04.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: 3-(p-Chlorophenyl)-1,1-dimethylurea (Monuron) 6.5% Free
2924.21.16.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.21.18.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: sym-Diethyldiphenylurea 6.5% Free
2924.21.20.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Products described in additional U.S. note 3 to… 6.5% Free
2924.21.45.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.21.50.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.23.10.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: 2-Acetamidobenzoic acid 6.5% Free
2924.23.70.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Products described in additional U.S. note 3 to… 6.5% Free
2924.23.75.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.25.00.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Alachlor (ISO) 6.5% Free
2924.29.05.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Biligrafin acid… 5.3% Free
2924.29.10.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Acetanilide;N-Acetylsulfanilyl chloride; Aspartame… 6.5% Free
2924.29.20.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: 2-Acetamido-3-chloro anthra quinone;o-Aceto… 6.5% Free
2924.29.31.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: 4-Acetamido-2-amino phenol;p-Acetamino benz… 5.8% Free
2924.29.36.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.29.43.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: 3-Ethoxy carbonyl amino phenyl-N-phenyl carbamate… 6.5% Free
2924.29.47.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.29.52.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Fast color bases 6.5% Free
2924.29.62 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.29.65.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: 5-Bromoacetyl-2-salicylamide 6.5% Free
2924.29.71 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Products described in additional U.S. note 3 to… 6.5% Free
2924.29.77 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2924.29.95.00 Carboxyamide-function compounds; amide-function compounds of carbonic acid: Other 6.5% Free
2925.11.00.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Saccharin and its salts 6.5% Free
2925.19.10.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Ethylenebistetrabromophthalimide 6.5% Free
2925.19.42.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Other 6.5% Free
2925.19.91.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Other 3.7% Free
2925.21.00.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Chlordimeform (ISO) 6.5% Free
2925.29.10.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: N'-(4-Chloro-o-tolyl)-N,N-… 6.5% Free
2925.29.20.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Drugs 6.5% Free
2925.29.60.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Other 6.5% Free
2925.29.90.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Other 3.7% Free
2926.10.00.00 Nitrile-function compounds: Acrylonitrile 6.5% Free
2926.30.20.00 Nitrile-function compounds: 4-Cyano-2-dimethylamino-4,4-diphenylbutane 6.5% Free
2926.40.00.00 Nitrile-function compounds: alpha-Phenylacetoacetonitrile 6.5% Free
2926.90.05.00 Nitrile-function compounds: 2-Amino-4-chlorobenzonitrile (5-Chloro-2- cyanoaniline); 2-Amino-5-chlorobenzonitrile… 6.5% Free
2926.90.08.00 Nitrile-function compounds: Benzonitrile 6.5% Free
2926.90.12.00 Nitrile-function compounds: Other 6.5% Free
2926.90.14.00 Nitrile-function compounds: p-Chlorobenzonitrile; and Verapamil hydrochloride 6.5% Free
2926.90.17.00 Nitrile-function compounds: o-Chlorobenzonitrile 6.5% Free
2926.90.21.00 Nitrile-function compounds: Fungicides 6.5% Free
2926.90.23.00 Nitrile-function compounds: 3,5-Dibromo-4-hydroxybenzonitrile (Bromoxynil) 6.5% Free
2926.90.25.00 Nitrile-function compounds: Other 6.5% Free
2926.90.30.00 Nitrile-function compounds: Other 6.5% Free
2926.90.43.00 Nitrile-function compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2926.90.48.01 Nitrile-function compounds: Other 6.5% Free
2927.00.06.00 Diazo-, azo- or azoxy-compounds: p-Aminoazobenzenedisulfonic acid; and Diazoaminobenzene (1,3-Diphenyltriazene) 5.8% Free
2927.00.15.00 Diazo-, azo- or azoxy-compounds: 1,1'-Azobisformamide 3.7% Free
2927.00.25.00 Diazo-, azo- or azoxy-compounds: Photographic chemicals 6.5% Free
2927.00.30.00 Diazo-, azo- or azoxy-compounds: Fast color bases and fast color salts 6.5% Free
2927.00.40.00 Diazo-, azo- or azoxy-compounds: Products described in additional U.S. note 3 to section VI 6.5% Free
2927.00.50.00 Diazo-, azo- or azoxy-compounds: Other 6.5% Free
2928.00.10.00 Organic derivatives of hydrazine or of hydroxylamine: Methyl ethyl ketoxime 3.7% Free
2928.00.25.00 Organic derivatives of hydrazine or of hydroxylamine: Aromatic 6.5% Free
2928.00.30.00 Organic derivatives of hydrazine or of hydroxylamine: Drugs 3.7% Free
2928.00.50.00 Organic derivatives of hydrazine or of hydroxylamine: Other 6.5% Free
2929.10.10.00 Compounds with other nitrogen function: Toluenediisocyanates (unmixed) 6.5% Free
2929.10.15.00 Compounds with other nitrogen function: Mixtures of 2,4- and 2,6-toluenediisocyanates 6.5% Free
2929.10.20.00 Compounds with other nitrogen function: Bitolylene diisocyanate (TODI);o-Isocyanic acid, o-tolyl ester; and Xylene diisocyanate 5.8% Free
2929.10.30.00 Compounds with other nitrogen function: 3,4-Dichlorophenylisocyanate 6.5% Free
2929.10.35.00 Compounds with other nitrogen function: 1,6-Hexamethylene diisocyanate 6.5% Free
2929.10.55.00 Compounds with other nitrogen function: Products described in additional U.S. note 3 to section VI 6.5% Free
2929.10.80 Compounds with other nitrogen function: Other 6.5% Free
2929.90.15.00 Compounds with other nitrogen function: Products described in additional U.S. note 3 to section VI 6.5% Free
2929.90.20.00 Compounds with other nitrogen function: Other 6.5% Free
2929.90.50 Compounds with other nitrogen function: Other 6.5% Free
2930.10.01.00 Organo-sulfur compounds: 2-(N,N-Dimethylamino) ethanethiol 3.7% Free
2930.20.10.00 Organo-sulfur compounds: Pesticides 6.5% Free
2930.20.20 Organo-sulfur compounds: Other 6.5% Free
2930.20.90 Organo-sulfur compounds: Other 3.7% Free
2930.30.60.00 Organo-sulfur compounds: Other 3.7% Free
2930.60.00.00 Organo-sulfur compounds: 2-(N,N-Diethylamino)ethanethiol 3.7% Free
2930.70.00.00 Organo-sulfur compounds: Bis(2-hydroxyethyl)sulfide (thiodiglycol (INN)) 3.7% Free
2930.80.00.00 Organo-sulfur compounds: Aldicarb (ISO), captafol (ISO) and methamidophos (ISO) 6.5% Free
2930.90.10.00 Organo-sulfur compounds: Pesticides 6.5% Free
2930.90.24.00 Organo-sulfur compounds: N-Cyclohexylthiophthalimide 6.5% Free
2930.90.29.00 Organo-sulfur compounds: Other 6.5% Free
2930.90.30.00 Organo-sulfur compounds: Thiocyanates, thiurams and isothiocyanates 3.7% Free
2930.90.43 Organo-sulfur compounds: Other 6.5% Free
2930.90.49 Organo-sulfur compounds: Other 4.2% Free
2930.90.92 Organo-sulfur compounds: Other 3.7% Free
2931.10.00.00 Other organo-inorganic compounds: Tetramethyl lead and tetraethyl lead 3.7% Free
2931.20.00.00 Other organo-inorganic compounds: Tributyltin compounds 3.7% Free
2931.41.00.00 Other organo-inorganic compounds: Dimethyl methylphosphonate 3.7% Free
2931.42.00.00 Other organo-inorganic compounds: Dimethyl propylphosphonate 3.7% Free
2931.43.00.00 Other organo-inorganic compounds: Diethyl ethylphosphonate 3.7% Free
2931.44.00.00 Other organo-inorganic compounds: Methylphosphonic acid 3.7% Free
2931.45.00.00 Other organo-inorganic compounds: Salt of methylphosphonic acid and (aminoiminomethyl)urea (1:1) 3.7% Free