Chapter 29: Organic chemicals

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

35 numbered lines under heading 2904, including 31 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 2904
HTS codeDescriptionUnitGeneralSpecialColumn 2
2904Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated:
2904.10Derivatives containing only sulfo groups, their salts and ethyl esters:
2904.10.04.002-Anthracenesulfonic acidkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 51%
2904.10.08.00Benzenesulfonyl chloridekg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 51%
2904.10.10.00m-Benzenedisulfonic acid, sodium salt; 1,5-Naphthalenedisulfonic acid; andp-Toluenesulfonyl chloridekg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 41.5%
2904.10.15.00Mixtures of 1,3,6-naphthalenetrisulfonic acid and 1,3,7-naphthalenetrisulfonic acidkg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%
Other:
Aromatic:
2904.10.32.00Products described in additional U.S. note 3 to section VIkg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 51%
2904.10.37.00Otherkg5.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 51%
2904.10.50.00Otherkg4.2%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)25%
2904.20Derivatives containing only nitro or only nitroso groups:
2904.20.10.00p-Nitrotoluenekg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%
2904.20.15.00p-Nitro-o-xylenekg5.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 41.5%
2904.20.20.00TrinitrotoluenekgFree15.4¢/kg + 45%
2904.20.30.005-tert-Butyl-2,4,6-trinitro-m-xylene (Musk xylol) and other artificial muskskg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%
2904.20.35.00Nitrated benzene, nitrated toluene (except p-nitrotoluene), or nitrated naphthalenekg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%
Other:
Aromatic:
2904.20.40.00Products described in additional U.S. note 3 to section VIkg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 51%
2904.20.45.00Otherkg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 51%
2904.20.50.00Otherkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)30.5%
Perfluorooctane sulfonic acid, its salts and perfluorooctane sulfonyl fluoride:
2904.31.00.00Perfluorooctane sulfonic acidkg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2904.32.00.00Ammonium perfluorooctane sulfonatekg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2904.33.00.00Lithium perfluorooctane sulfonatekg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2904.34.00.00Potassium perfluorooctane sulfonatekg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2904.35.00.00Other salts of perfluorooctane sulfonic acidkg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2904.36.00.00Perfluorooctane sulfonyl fluoridekg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
Other:
2904.91.00.00Trichloronitromethane (chloropicrin)kg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2904.99Other:
Monochloromononitrobenzenes:
2904.99.04.00o-Nitrochlorobenzene; andp-Nitrochlorobenzenekg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +59%
2904.99.08.00Otherkg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P ,PA,PE,S,SG)15.4¢/kg + 59%
2904.99.15.004-Chloro-3-nitro-α,α,α-trifluorotoluene; 2-Chloro-5-nitro-α,α,α-trifluorotoluene; and 4-Chloro-3,5-dinitro-α,α,α-trifluorotoluenekg5.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +51%
2904.99.20.00Nitrotoluenesulfonic acidskg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 74.5%
2904.99.30.001-Bromo-2-nitrobenzene; 1,2-Dichloro-4-nitrobenzene and o-Fluoronitrobenzenekg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P ,PA,PE,S,SG)15.4¢/kg + 40%
2904.99.35.004,4'-Dinitrostilbene-2,2'-disulfonic acidkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +50%
Other:
Aromatic:
2904.99.40.00Products described in additional U.S. note 3 to section VIkg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 51%
2904.99.47.00Otherkg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 51%
2904.99.50.00Otherkg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
II. ALCOHOLS AND THEIR HALOGENATED, SULFONATED, NITRATED OR NITROSATED DERIVATIVES

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.