Trade reference

HS code reference lookup

Enter a code (e.g. 8518 or 8518.30.20.00) or an English product name to see official schedule descriptions and the code hierarchy; when one description matches several candidate classifications they are all listed for you or your broker to weigh against product specifics.

Data: Harmonized Tariff Schedule of the United States (HTSUS) · Revision 22 (2026) · effective 10/30/2026 · USITC HTS · US public domain
中华人民共和国进出口税则(2026) · 税委会公告2025年第12号 · effective 2026-01-01 · official notice

A reference lookup is not a customs classification ruling. Duty rates shown are U.S. import rates only — they are not your destination country’s rates.

Digits (with or without dots) search by code prefix; words search English official descriptions. The dataset is English-only — Chinese terms get an explicit notice rather than a guess.

Chapter 29 — Organic chemicals · Section VI

Entries: 1501

Code Level Official description Unit US duty (MFN / pref. / col.2)
2918.16 HS6 subheading Gluconic acid, its salts and esters: —
2918.16.10.00 US 10-digit Gluconic acid kg 6% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 25%
2918.16.50 US 8-digit Other 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2918.16.50.10 US 10-digit Sodium gluconate kg —
2918.16.50.20 US 10-digit Calcium gluconate kg —
2918.16.50.90 US 10-digit Other kg —
2918.17.00.01 US 10-digit 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) kg 5.8% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 40%
2918.18.00.00 US 10-digit Chlorobenzilate (ISO) kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.19 HS6 subheading Other: —
2918.19.11.00 US 10-digit Benzilic acid, methyl ester kg 5.8% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 40%
2918.19.12.00 US 10-digit Mandelic acid kg Free / — / 15.4¢/kg + 67.5%
2918.19.15.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 67.5%
2918.19.20.00 US 10-digit Products described in additional U.S. note 3 to section VI kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.19.31.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.19.60.00 US 10-digit Malic acid kg 4% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2918.19.90.00 US 10-digit Other kg 4% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) / 25%
2918.21 HS6 subheading Salicylic acid and its salts: —
2918.21.10.00 US 10-digit Suitable for medicinal use kg 6.5% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 72%
2918.21.50.00 US 10-digit Other kg 6.5% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 57%
2918.22 HS6 subheading O-Acetylsalicylic acid, its salts and esters: —
2918.22.10.00 US 10-digit O-Acetylsalicylic acid (Aspirin) kg 6.5% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 82%
2918.22.50.00 US 10-digit Salts and esters of O-acetylsalicylic acid kg 6.5% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 47.5%
2918.23 HS6 subheading Other esters of salicylic acid and their salts: —
2918.23.10.00 US 10-digit Salol (Phenyl salicylate) suitable for medicinal use kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 45%
2918.23.20.00 US 10-digit Odoriferous or flavoring compounds kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 58%
2918.23.30.00 US 10-digit Products described in additional U.S. note 3 to section VI kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.23.50.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.29 HS6 subheading Other: —
2918.29.04.00 US 10-digit 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 kg 5.8% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 40%
2918.29.06.00 US 10-digit 1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate) kg 5.8% / Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 40%
2918.29.08.00 US 10-digit m-Hydroxybenzoic acid kg Free / — / 15.4¢/kg + 40%
2918.29.20.00 US 10-digit Gentisic acid; and Hydroxycinnamic acid and its salts kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 48.5%
2918.29.22.00 US 10-digit p-Hydroxybenzoic acid kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 48.5%
2918.29.25.00 US 10-digit 3-Hydroxy-2-naphthoic acid kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 57%
2918.29.30.00 US 10-digit Gallic acid kg 1% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 2%
2918.29.39.00 US 10-digit 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid kg Free / — / 15.4¢/kg + 57%
2918.29.65.00 US 10-digit Products described in additional U.S. note 3 to section VI kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.29.75.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.30 HS6 subheading Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: —
2918.30.10.00 US 10-digit 1-Formylphenylacetic acid, methyl ester kg 5.8% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 40%
2918.30.15.00 US 10-digit 2-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoate kg Free / — / 15.4¢/kg + 57%
2918.30.25 US 8-digit Products described in additional U.S. note 3 to section VI 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.30.25.10 US 10-digit Methyl 3-oxo-2-phenylbutanoate (methyl alpha-phenylacetoacetate, MAPA) kg —
2918.30.25.50 US 10-digit Other kg —
2918.30.30.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 57%
2918.30.70.00 US 10-digit 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 kg Free / — / 25%
2918.30.90.00 US 10-digit Other kg 3.7% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) / 25%
2918.91.00.00 US 10-digit 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 48.5%
2918.99 HS6 subheading Other: —
2918.99.05.00 US 10-digit p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid kg 5.8% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 40%
2918.99.06.00 US 10-digit 1-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthalene- carboxylic acid kg Free / — / 15.4¢/kg + 57%
2918.99.14.00 US 10-digit 2-(4-Chloro-2-methylphenoxy)propionic acid and its salts kg Free / — / 15.4¢/kg + 40.5%
2918.99.18.00 US 10-digit 4-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichlorophenoxy) propionic acid kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 40.5%
2918.99.20 US 8-digit Other 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 48.5%
2918.99.20.10 US 10-digit 2,4-Dichlorophenoxyacetic acid, its salts and esters kg —
2918.99.20.15 US 10-digit 2-Methyl-4-chlorophenoxyacetic acid kg —
2918.99.20.50 US 10-digit Other kg —
2918.99.30.00 US 10-digit Drugs kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 47.5%
2918.99.35.00 US 10-digit Odoriferous or flavoring compounds kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 58%
2918.99.43 US 8-digit Products described in additional U.S. note 3 to section VI 6.5% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 57%
2918.99.43.10 US 10-digit 2-Methyl-3-phenyloxirane-2-carboxylic acid (P-2-P methyl glycidic acid), its salts and esters kg —
2918.99.43.50 US 10-digit Other kg —
2918.99.47.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 57%
2918.99.50.00 US 10-digit Other kg 4% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2919 HS4 heading Phosphoric esters and their salts, including lactophosphates; their halogenated, sulfonated, nitrated or nitrosated derivatives: —
2919.10.00.00 US 10-digit Tris(2,3-dibromopropyl phosphate) kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2919.90 HS6 subheading Other: —
2919.90.15.00 US 10-digit Triphenyl phosphate kg Free / — / 15.4¢/kg + 57%
2919.90.25.00 US 10-digit Other kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 57%
2919.90.30.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 43%
2919.90.50 US 8-digit Other 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25% *
2919.90.50.10 US 10-digit Plasticizers kg —
2919.90.50.50 US 10-digit Other kg —
2920 HS4 heading Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated, sulfonated, nitrated or nitrosated derivatives: —
2920.11.00.00 US 10-digit Parathion (ISO) and parathion-methyl (ISO) (methyl-parathion) kg Free / — / 15.4¢/kg + 64.5%
2920.19 HS6 subheading Other: —
2920.19.10.00 US 10-digit O,O-Dimethyl-O-(4-nitro-m-tolyl)phosphoro- thioate (Fenitrothion) kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 41%
2920.19.40.00 US 10-digit Other kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 64.5%
2920.19.50.00 US 10-digit Other kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2920.21.00.00 US 10-digit Dimethyl phosphite kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2920.22.00.00 US 10-digit Diethyl phosphite kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2920.23.00.00 US 10-digit Trimethyl phosphite kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2920.24.00.00 US 10-digit Triethyl phosphite kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2920.29.00.00 US 10-digit Other kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2920.30.00.00 US 10-digit Endosulfan (ISO) kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2920.90 HS6 subheading Other: —
2920.90.10.00 US 10-digit Pesticides kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 64.5%
2920.90.20.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 53%
2920.90.51 US 8-digit Other 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2920.90.51.10 US 10-digit Ethylene carbonate (1,3-dioxolan-2-one) kg —
2920.90.51.50 US 10-digit Other kg —
2921 HS4 heading Amine-function compounds —
2921.11.00.00 US 10-digit Methylamine, di- or trimethylamine and their salts kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 25% *
2921.12.01.00 US 10-digit 2-(N,N-Dimethylamino)ethyl chloride hydrochloride kg Free / — / 30.5%
2921.13.00.00 US 10-digit 2-(N,N-Diethylamino)ethyl chloride hydrochloride kg Free / — / 30.5%
2921.14.00.00 US 10-digit 2-(N,N,-Diisopropylamino)ethyl chloride hydrochloride kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 30.5%
2921.19 HS6 subheading Other: —
2921.19.11.00 US 10-digit Mono-, di- and triethylamines;mono-, di-, and tri-(propyl- and butyl-)monoamines; salts of any of the foregoing kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2921.19.31.00 US 10-digit 3-Amino-3-methyl-1-butyne; (Dimethylamino)isopropyl chloride hydrochloride kg Free / — / 30.5%
2921.19.61 US 8-digit Other 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 30.5% *
2921.19.61.10 US 10-digit N,N-Dialkyl (methyl, ethyl or n-propyl)-2-chloroethylamines and their protonated salts kg —
2921.19.61.20 US 10-digit Bis(2-chloroethyl)ethylamine) kg —
2921.19.61.30 US 10-digit Chlormethine (INN) (bis(2-chloroethyl)methylamine) kg —
2921.19.61.40 US 10-digit Trichlormethine (INN) (tris(2-chloroethyl)amine) kg —
2921.19.61.95 US 10-digit Other kg —
2921.21.00.00 US 10-digit Ethylenediamine and its salts kg 5.8% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 39%
2921.22 HS6 subheading Hexamethylenediamine and its salts: —
2921.22.05.00 US 10-digit Hexamethylenediamine adipate (Nylon salt) kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 46%
2921.22.10.00 US 10-digit Derived in whole or in part from adipic acid kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 66.5%
2921.22.50.00 US 10-digit Other kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 30.5%
2921.29.00 US 8-digit Other 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 30.5%
2921.29.00.10 US 10-digit Tetraethylene pentamine kg —
2921.29.00.20 US 10-digit Triethylenetetramine kg —
2921.29.00.30 US 10-digit Diethylenetriamine kg —
2921.29.00.55 US 10-digit Other kg —
2921.30 HS6 subheading Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof: —
2921.30.05.00 US 10-digit 1,3-Bis(aminoethyl)cyclohexane kg Free / — / 15.4¢/kg + 53.5%
2921.30.10.00 US 10-digit Products described in additional U.S. note 3 to section VI kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 53.5%
2921.30.30.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 53.5%
2921.30.50.00 US 10-digit Other kg 3.7% / Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 25%
2921.41 HS6 subheading Aniline and its salts: —
2921.41.10.00 US 10-digit Aniline kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 43.5%
2921.41.20.00 US 10-digit Aniline salts kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 60%
2921.42 HS6 subheading Aniline derivatives and their salts: —
2921.42.10.00 US 10-digit N,N-Dimethylaniline kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 40%
2921.42.15.00 US 10-digit N-Ethylaniline; andN,N-Diethylaniline kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 60%
2921.42.16.00 US 10-digit 2,4,5-Trichloroaniline kg Free / — / 15.4¢/kg + 39.5%
2921.42.18.00 US 10-digit 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 kg 5.8% / Free(A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE, S,SG) / 15.4¢/kg + 39.5%
2921.42.21.00 US 10-digit Metanilic acid kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 60%
2921.42.22.00 US 10-digit Sulfanilic acid kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 60%
2921.42.23.00 US 10-digit 3,4-Dichloroaniline kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 60%
2921.42.36.00 US 10-digit 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 kg Free / — / 15.4¢/kg + 60%
2921.42.55.00 US 10-digit Fast color bases kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 53%
2921.42.65.00 US 10-digit Products described in additional U.S. note 3 to section VI kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 60%
2921.42.90.00 US 10-digit Other kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 60%
2921.43 HS6 subheading Toluidines and their derivatives; salts thereof: —
2921.43.04.00 US 10-digit 3-Chloro-o-toluidine; and 6-Chloro-o-toluidine kg Free / — / 15.4¢/kg + 39.5%
2921.43.08.00 US 10-digit 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 kg 5.8% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 39.5%
2921.43.15.00 US 10-digit α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin) kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 48.5%
2921.43.19.00 US 10-digit α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 60%
2921.43.22.00 US 10-digit N-Ethyl-N-(2-methyl-2-propenyl)-2,6- dinitro-4-(trifluoromethyl)benzenamine kg 6.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 60%
2921.43.24.00 US 10-digit 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) kg Free / — / 15.4¢/kg + 60%
2921.43.40.00 US 10-digit Products described in additional U.S. note 3 to section VI kg 6.5% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 60%
2921.43.90 US 8-digit Other 6.5% / Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 15.4¢/kg + 60%
2921.43.90.20 US 10-digit 2-Chloro-p-toluidine-5-sulfonic acid (CAS No. 88-51-7) kg —
2921.43.90.40 US 10-digit p-Toluidine-m-sulfonic acid (CAS No. 88-44-8) kg —
2921.43.90.90 US 10-digit Other kg —
2921.44 HS6 subheading Diphenylamine and its derivatives; salts thereof: —
2921.44.05.00 US 10-digit 4,4'-Bis (α,α-dimethylbenzyl) diphenylamine; andN-Nitrosodiphenylamine kg Free / — / 15.4¢/kg + 60%
2921.44.10.00 US 10-digit Nitrodiphenylamine kg 6.5% / Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) / 15.4¢/kg + 40%

Browse by chapter

Chapters 01–97 of the Harmonized System (US chapters 98/99 are national legislation and not included).

Section I — Live Animals; Animal Products
Section II — Vegetable Products
Section III — Animal, Vegetable Or Microbial Fats And Oils And Their Cleavage Products; Prepared Edible Fats; Animal Or Vegetable Waxes
Section IV — Prepared Foodstuffs; Beverages, Spirits And Vinegar; Tobacco And Manufactured Tobacco Substitutes; Products, Whether Or Not Containing Nicotine, Intended For Inhalation Without Combustion; Other Nicotine Containing Products Intended For The Intake Of Nicotine Into The Human Body
Section V — Mineral Products
Section VI — Products Of The Chemical Or Allied Industries
Section VII — Plastics And Articles Thereof; Rubber And Articles Thereof
Section VIII — Raw Hides And Skins, Leather, Furskins And Articles Thereof; Saddlery And Harness; Travel Goods, Handbags And Similar Containers; Articles Of Animal Gut (Other Than Silkworm Gut)
Section IX — Wood And Articles Of Wood; Wood Charcoal; Cork And Articles Of Cork; Manufactures Of Straw, Of Esparto Or Of Other Plaiting Materials; Basketware And Wickerwork
Section X — Pulp Of Wood Or Of Other Fibrous Cellulosic Material; Recovered (Waste And Scrap) Paper Or Paperboard; Paper And Paperboard And Articles Thereof
Section XI — Textiles And Textile Articles
Section XII — Footwear, Headgear, Umbrellas, Sun Umbrellas, Walking-Sticks, Seat-Sticks, Whips, Riding-Crops And Parts Thereof; Prepared Feathers And Articles Made Therewith; Artificial Flowers; Articles Of Human Hair
Section XIII — Articles Of Stone, Plaster, Cement, Asbestos, Mica Or Similar Materials; Ceramic Products; Glass And Glassware
Section XIV — Natural Or Cultured Pearls, Precious Or Semiprecious Stones, Precious Metals, Metals Clad With Precious Metal, And Articles Thereof; Imitation Jewelry; Coin
Section XV — Base Metals And Articles Of Base Metal
Section XVI — Machinery And Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders And Reproducers, Television Image And Sound Recorders And Reproducers, And Parts And Accessories Of Such Articles
Section XVII — Vehicles, Aircraft, Vessels And Associated Transport Equipment
Section XVIII — Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical Or Surgical Instruments And Apparatus; Clocks And Watches; Musical Instruments; Parts And Accessories Thereof
Section XIX — Arms And Ammunition; Parts And Accessories Thereof
Section XX — Miscellaneous Manufactured Articles
Section XXI — Works Of Art, Collectors' Pieces And Antiques

What this data covers — and what it does not

  • International layer: HS chapters 01–97 with 4-digit headings and 6-digit subheadings (HS 2022 edition) — the part shared by every member country’s tariff schedule.
  • US layer: 8-digit rate lines and 10-digit statistical suffixes of the US HTS, clearly badged; the duty columns are US import rates for reference only.
  • China layer: PRC 2026 tariff schedule 8-digit lines with official Chinese names and MFN/ordinary rates, matched to international rows by shared HS6 prefix; provisional (△), agreement, quota, VAT/consumption and 10-digit customs numbers are not in scope.
  • Not included: the EU’s 8-digit CN codes, other countries’ national extensions, WCO Explanatory Notes, and US chapters 98/99 (national legislation).
  • Descriptions are English-only. Classification of a real product needs the General Rules of Interpretation plus material, composition, use and processing details — treat every result as a candidate, not a ruling.

Official verification

For declarations, pre-classification or current rates, use an official channel:

Frequently asked

Can I declare with the code I find here?

No — this is a reference lookup. Candidate codes, official descriptions and hierarchy are informational, not a customs classification ruling. Formal classification applies the General Rules of Interpretation to material, composition, use and processing; ask your customs authority for a binding ruling when needed.

Why does one product name return several codes?

That's normal. The same description appears at different levels (heading/subheading/statistical suffix) and under different chapters — cotton, for example, lives in the yarn, fabric and apparel chapters alike. The tool lists every candidate instead of guessing one answer for you.

Whose 8- and 10-digit codes are these?

The international Harmonized System only standardizes the first six digits (2-digit chapter + 4-digit heading + 6-digit subheading). The 8/10-digit codes here are US HTS national extensions and are labelled as such; China uses an 8-digit tariff schedule and the EU an 8-digit CN code — neither is in this dataset.

Are the duty rates shown what I'd pay importing to my country?

No. The rate columns are US import duty (General MFN / Special preferential / Column 2) — they apply to imports into the United States and are shown for reference only. Check the official tariff service of your destination country for actual rates.

How does Chinese search work?

Chinese terms are matched verbatim against the official Chinese product names in the PRC 2026 tariff schedule — no machine translation, no guessed codes. Colloquial names may miss; try a more formal name or English.

How fresh is the data?

The snapshot is the USITC's 2026 HTS Revision 22 (effective 2026-10-30); the page always shows the release and its effective date and warns when the snapshot grows stale. Use the official live service for filings.

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