Chapter 29 · Organic chemicals · Section 6

HS Code 2904.10

Derivatives containing only sulfo groups, their salts and ethyl esters

Heading 2904: Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated

US duty (general)
4.2% - 5.5%
US HTS lines
7
EU CN codes
1
UK commodity codes
4
Unit
kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 2904.10

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2904.10.04 2-Anthracenesulfonic acid 5.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 51% kg
2904.10.08 Benzenesulfonyl chloride 5.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 51% kg
2904.10.10 m-Benzenedisulfonic acid, sodium salt; 1,5-Naphthalenedisulfonic acid; andp-Toluenesulfonyl chloride 5.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,L,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 41.5% kg
2904.10.15 Mixtures of 1,3,6-naphthalenetrisulfonic acid and 1,3,7-naphthalenetrisulfonic acid 5.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 40% kg
2904.10.32 Other > Aromatic >
Products described in additional U.S. note 3 to section VI 		5.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 51% kg
2904.10.37 Other > Aromatic >
Other 		5.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 51% kg
2904.10.50 Other > Aromatic >
Other 		4.2% Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) 25% kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2904.10

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2904 10 00 Derivatives containing only sulpho groups, their salts and ethyl esters EU duty (TARIC) →

United Kingdom - commodity codes under 2904.10

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2904 10 00 00 Derivatives containing only sulpho groups, their salts and ethyl esters UK duty & VAT →
2904 10 00 30 Sodium p-styrenesulphonate (CAS RN 2695-37-6) UK duty & VAT →
2904 10 00 50 Sodium 2-methylprop-2-ene-1-sulphonate (CAS RN 1561-92-8) UK duty & VAT →
2904 10 00 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 2904

2904.00 2904 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halog 2904.10 Derivatives containing only sulfo groups, their salts and ethyl esters 2904.20 Derivatives containing only nitro or only nitroso groups 2904.31 Perfluorooctane sulfonic acid 2904.32 Ammonium perfluorooctane sulfonate 2904.33 Lithium perfluorooctane sulfonate 2904.34 Potassium perfluorooctane sulfonate 2904.35 Other salts of perfluorooctane sulfonic acid 2904.36 Perfluorooctane sulfonyl fluoride 2904.91 Trichloronitromethane (chloropicrin) 2904.99 Other

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.