Chapter 29: Organic chemicals

2917.33.00

Dinonyl or didecyl orthophthalates

2917.34.01

Other esters of orthophthalic acid

2917.35.00.00

Phthalic anhydride

2917.36.00.00

Terephthalic acid and its salts

2917.37.00.00

Dimethyl terephthalate

2917.39.04.00

1,2,4-Benzenetricarboxylic acid, 1,2-dianhydride (Trimellitic anhydride); Phthalic acid; and 4-Sulfo-1,8-naphthalic anhydride

2917.39.08.00

Naphthalic anhydride

2917.39.12.00

4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride)

2917.39.15.00

Isophthalic acid

2917.39.17.00

Tetrabromophthalic anhydride

2917.39.20.00

Plasticizers

2917.39.30.00

Products described in additional U.S. note 3 to section VI

Base rate: 5.1%Source retrieved: 2026-05-11

2918.11.10.00

Lactic acid

2918.12.00.00

Tartaric acid

2918.13.10.00

Potassium antimony tartrate (Tartar emetic)

2918.13.20.00

Potassium bitartrate (Cream of tartar)

2918.13.30.00

Potassium sodium tartrate (Rochelle salts)

Base rate: 6%Source retrieved: 2026-05-11

2918.14.00.00

Citric acid

2918.15.10.00

Sodium citrate

Base rate: 6%Source retrieved: 2026-05-11

2918.16.10.00

Gluconic acid

2918.17.00.01

2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)

2918.18.00.00

Chlorobenzilate (ISO)

2918.19.11.00

Benzilic acid, methyl ester

2918.19.12.00

Mandelic acid

2918.19.20.00

Products described in additional U.S. note 3 to section VI

Base rate: 4%Source retrieved: 2026-05-11

2918.19.60.00

Malic acid

2918.21.10.00

Suitable for medicinal use

2918.22.10.00

O-Acetylsalicylic acid (Aspirin)

2918.22.50.00

Salts and esters of O-acetylsalicylic acid

2918.23.10.00

Salol (Phenyl salicylate) suitable for medicinal use

2918.23.20.00

Odoriferous or flavoring compounds

2918.23.30.00

Products described in additional U.S. note 3 to section VI

2918.29.04.00

2,3-Cresotic acid; 2-Hydroxybenzoic acid, calcium salt; 1-Hydroxy-2-naphthoic acid; 2-Hydroxy-1-naphthoic acid; 1-Hydroxy-2-naphthoic acid, phenyl ester;α-Resorcylic acid;γ-Resorcylic acid; and 5-Sulfosalicylic acid

2918.29.06.00

1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)

2918.29.08.00

m-Hydroxybenzoic acid

2918.29.20.00

Gentisic acid; and Hydroxycinnamic acid and its salts

2918.29.22.00

p-Hydroxybenzoic acid

2918.29.25.00

3-Hydroxy-2-naphthoic acid

Base rate: 1%Source retrieved: 2026-05-11

2918.29.30.00

Gallic acid

2918.29.39.00

4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid

2918.29.65.00

Products described in additional U.S. note 3 to section VI

2918.30.10.00

1-Formylphenylacetic acid, methyl ester

2918.30.15.00

2-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoate

2918.30.25.00

Products described in additional U.S. note 3 to section VI

2918.30.70.00

Dimethyl acetyl succinate; Oxalacetic acid diethyl ester, sodium salt; 4,4,4-Trifluoro-3-oxobutanoic acid, ethyl ester; and 4,4,4-Trifluoro-3-oxobutanoic acid, methyl ester

2918.91.00.00

2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters

2918.99.05.00

p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid

2918.99.06.00

1-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthalene- carboxylic acid

2918.99.14.00

2-(4-Chloro-2-methylphenoxy)propionic acid and its salts

2918.99.18.00

4-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichlorophenoxy) propionic acid

2918.99.35.00

Odoriferous or flavoring compounds

2918.99.43.00

Products described in additional U.S. note 3 to section VI

2919.10.00.00

Tris(2,3-dibromopropyl phosphate)

2919.90.15.00

Triphenyl phosphate

2920.11.00.00

Parathion (ISO) and parathion-methyl (ISO) (methyl-parathion)

2920.19.10.00

O,O-Dimethyl-O-(4-nitro-m-tolyl)phosphoro- thioate (Fenitrothion)

2920.21.00.00

Dimethyl phosphite

2920.22.00.00

Diethyl phosphite

2920.23.00.00

Trimethyl phosphite

2920.24.00.00

Triethyl phosphite

2920.30.00.00

Endosulfan (ISO)

2920.90.10.00

Pesticides

2921.11.00.00

Methylamine, di- or trimethylamine and their salts

2921.12.01.00

2-(N,N-Dimethylamino)ethyl chloride hydrochloride

2921.13.00.00

2-(N,N-Diethylamino)ethyl chloride hydrochloride

2921.14.00.00

2-(N,N,-Diisopropylamino)ethyl chloride hydrochloride

2921.19.11.00

Mono-, di- and triethylamines;mono-, di-, and tri-(propyl- and butyl-)monoamines; salts of any of the foregoing

2921.19.31.00

3-Amino-3-methyl-1-butyne; (Dimethylamino)isopropyl chloride hydrochloride

2921.21.00.00

Ethylenediamine and its salts

2921.22.05.00

Hexamethylenediamine adipate (Nylon salt)

2921.22.10.00

Derived in whole or in part from adipic acid

2921.30.05.00

1,3-Bis(aminoethyl)cyclohexane

2921.30.10.00

Products described in additional U.S. note 3 to section VI

2921.41.20.00

Aniline salts

2921.42.10.00

N,N-Dimethylaniline

2921.42.15.00

N-Ethylaniline; andN,N-Diethylaniline

2921.42.16.00

2,4,5-Trichloroaniline

2921.42.18.00

o-Aminobenzenesulfonic acid (Orthanilic acid); 6-Chlorometanilic acid; 2-Chloro-5-nitroaniline; 4-Chloro-3-nitroaniline; 2,3-Dichloroaniline; 2,4-Dichloroaniline; 2,5-Dichloroaniline; 3,5-Dichloroaniline;N,N-Diethylmetanilic acid;N,N-Diethylmetanilic acid, sodium salt; 2,4-Difluoroaniline;p-Fluoroaniline;N-Methylaniline; andm-Nitroaniline

2921.42.21.00

Metanilic acid

2921.42.22.00

Sulfanilic acid

2921.42.23.00

3,4-Dichloroaniline

2921.42.36.00

m-Chloroaniline; 2-Chloro-4-nitroaniline; 2,5-Dichloroaniline-4-sulfonic acid and its monosodium salt; 2,4-Dinitroaniline;o-Nitroaniline-p-sulfonic acid, sodium salt; and 2,3,4-Trifluoroaniline

2921.42.55.00

Fast color bases

2921.42.65.00

Products described in additional U.S. note 3 to section VI

2921.43.04.00

3-Chloro-o-toluidine; and 6-Chloro-o-toluidine

2921.43.08.00

4-Chloro-o-toluidine and hydrochloride; 5-Chloro-o-toluidine; 6-Chloro-2-toluidine-4-sulfonic acid; 4-Chloro-α,α,α-trifluoro-o- toluidine; 2,6-Dichloro-m-toluidine;N,N- Dimethyl-p-toluidine;N-Ethyl-N-benzyl-m-toluidine; andN-Ethyl-o-toluidine

2921.43.15.00

α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin)

2921.43.19.00

α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine

2921.43.22.00

N-Ethyl-N-(2-methyl-2-propenyl)-2,6- dinitro-4-(trifluoromethyl)benzenamine

2921.43.24.00

2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride)

2921.43.40.00

Products described in additional U.S. note 3 to section VI

2921.44.05.00

4,4'-Bis (α,α-dimethylbenzyl) diphenylamine; andN-Nitrosodiphenylamine

2921.44.10.00

Nitrodiphenylamine

2921.44.20.00

Products described in additional U.S. note 3 to section VI

2921.45.10.00

7-Amino-1,3-naphthalenedisulfonic acid and its salts; 5-Amino-2-naphthalenesulfonic acid and its salts; 8-Amino-1-naphthalenesulfonic acid and its salts; andN-Phenyl-2-naphthylamine

2921.45.20.00

3-Amino-2,7-naphthalenedisulfonic acid; 4-Amino-1-naphthalenesulfonic acid, sodium salt; 5-Amino-1-naphthalenesulfonic acid (Laurent's acid); 8-Amino-2-naphthalenesulfonic acid and its salts; 7-Amino-1,3,6-naphthalenetrisulfonic acid; 8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri acid) and its salts; andN-Ethyl-1-naphthylamine

2921.45.25.00

Mixtures of 5- and 8-amino-2-naphthalene- sulfonic acid; 2-Naphthylamine-6-sulfonic acid; ando-Naphthionic acid (1-amino- 2-naphthalene- sulfonic acid)

2921.45.60.00

Products described in additional U.S. note 3 to section VI

2921.46.00.00

Amfetamine (INN), benzfetamine (INN), dexamfetamine (INN), etilamfetamine (INN), fencamfamin (INN), lefetamine (INN), levamfetamine (INN), mefenorex (INN) and phentermine (INN); salts thereof