Tariff WatchFor business

HTS 2904

Heading 2904 covers sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. Duty is assessed at the 10-digit statistical line; the figures here are resolved for 2904.10.04.00, the first line under this heading. Its Column 1 rate is 5.5%; other lines under 2904 carry different Column 1 rates. On top of that, the ad valorem total depends on origin: China carries 43.00% and Italy carries 10.00%.

Chapter 29 · Verified 2026-08-31
HTS 2026HTSRev17

31 statistical lines under this heading · 4 distinct Column 1 rates · highest ad valorem total 43.00% from China · lowest 10.00% from Italy

OriginAd valorem layersLayersReported under
China CHN43.00%mfn + s301 + s3019903.88.03 9903.05.31
Vietnam VNM18.00%mfn + s3019903.05.84
Thailand THA18.00%mfn + s3019903.05.77
Brazil BRA18.00%mfn + s3019903.05.27
Mexico MEX15.50%mfn + s3019903.05.55
Canada CAN15.50%mfn + s3019903.05.29
India IND15.50%mfn + s3019903.05.44
United Kingdom GBR15.50%mfn + s3019903.05.81
Japan JPN12.50%s3019903.05.49
South Korea KOR12.50%s3019903.05.71
Germany DEU10.00%s3019903.05.39
Italy ITA10.00%s3019903.05.39
Table 1Rate by country of origin for 2904.10.04.00, resolved 2026-08-31. The first statistical line under 2904; other lines may carry different Column 1 rates.
CodeDescriptionColumn 1SpecialUnits
2904.10.04.002-Anthracenesulfonic acid5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.10.08.00Benzenesulfonyl chloride5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.10.10.00m-Benzenedisulfonic acid, sodium salt; 1,5-Naphthalenedisulfonic acid; andp-Toluenesulfonyl chloride5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,L,MA,OM,P, PA,PE,S,SG)kg
2904.10.15.00Mixtures of 1,3,6-naphthalenetrisulfonic acid and 1,3,7-naphthalenetrisulfonic acid5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)kg
2904.10.32.00Products described in additional U.S. note 3 to section VI5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)kg
2904.10.37.00Other5.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)kg
2904.10.50.00Other4.2%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)kg
2904.20.10.00p-Nitrotoluene5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)kg
2904.20.15.00p-Nitro-o-xylene5.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)kg
2904.20.20.00TrinitrotolueneFreekg
2904.20.30.005-tert-Butyl-2,4,6-trinitro-m-xylene (Musk xylol) and other artificial musks5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.20.35.00Nitrated benzene, nitrated toluene (except p-nitrotoluene), or nitrated naphthalene5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)kg
2904.20.40.00Products described in additional U.S. note 3 to section VI5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)kg
2904.20.45.00Other5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)kg
2904.20.50.00Other5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.31.00.00Perfluorooctane sulfonic acid3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.32.00.00Ammonium perfluorooctane sulfonate3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.33.00.00Lithium perfluorooctane sulfonate3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.34.00.00Potassium perfluorooctane sulfonate3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.35.00.00Other salts of perfluorooctane sulfonic acid3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.36.00.00Perfluorooctane sulfonyl fluoride3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.91.00.00Trichloronitromethane (chloropicrin)3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.99.04.00o-Nitrochlorobenzene; andp-Nitrochlorobenzene5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.99.08.00Other5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P ,PA,PE,S,SG)kg
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-trifluorotoluene5.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)kg
2904.99.20.00Nitrotoluenesulfonic acids5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)kg
2904.99.30.001-Bromo-2-nitrobenzene; 1,2-Dichloro-4-nitrobenzene and o-Fluoronitrobenzene5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P ,PA,PE,S,SG)kg
2904.99.35.004,4'-Dinitrostilbene-2,2'-disulfonic acid5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
2904.99.40.00Products described in additional U.S. note 3 to section VI5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)kg
2904.99.47.00Other5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)kg
2904.99.50.00Other3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)kg
Table 2Statistical suffixes under 2904. Duty is assessed at the 10-digit level; the Column 1 rate is stated at the subheading and inherited below it.
ProgrammeRate as publishedContributionReported underIn force from
Column 1 General (MFN)5.5%5.50%not established

Source: USITC, Harmonized Tariff Schedule of the United States, 2026 HTS Revision 17, published 2026-08-01. Verified 2026-08-31.

Section 301The duty provided in the applicable subheading + 25%25.00%9903.88.032018-09-24
Status unconfirmed. The second statutory four-year review of this action is running. The continuation-request deadlines for the underlying 2018 actions closed on 2026-07-05 and 2026-08-22 and no continuation notice has been published. There is no evidence of termination either, and the duty is almost certainly still collectible; what we cannot do is cite a document saying so.

Source: USTR, Notice of Modification of Section 301 Action: China's Acts, Policies and Practices Related to Technology Transfer (List 3) (83 FR 47974), published 2018-09-21. Verified 2026-08-31.

Section 301The duty provided in the applicable subheading + 12.5%12.50%9903.05.312026-07-24

Source: USTR, Notice of Actions in Section 301 Investigations of Various Economies (FR Doc. 2026-15181), published 2026-07-28. Verified 2026-08-31.

Table 3Duty stack for 2904.10.04.00 from China, resolved 2026-08-31.

Common questions

What is the duty rate for HTS 2904?
Heading 2904 covers sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. Duty is assessed at the 10-digit statistical line; the figures here are resolved for 2904.10.04.00, the first line under this heading. Its Column 1 rate is 5.5%; other lines under 2904 carry different Column 1 rates. On top of that, the ad valorem total depends on origin: China carries 43.00% and Italy carries 10.00%.
Why does the rate differ by country for the same HTS code?
The Column 1 rate is the same for every origin with normal trade relations. Trade-remedy duties under Sections 232, 301 and 338 are imposed by origin, by product, or by both, so two shipments of the same article from different countries can carry very different totals.
Is this the rate I will actually pay?
It is the rate that applies to this classification and origin on the date shown. The duty owed on a specific entry also depends on the 10-digit statistical suffix, declared content where a duty is content-based, preference eligibility, and any AD/CVD order in scope.