Heading 2904: Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
Every line of heading 2904 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
Chapter 29: Organic chemicals. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2904.10 | Derivatives containing only sulfo groups, their salts and ethyl esters: | |
| 2904.10.04.00 | 2-Anthracenesulfonic acid | 5.5% |
| 2904.10.08.00 | Benzenesulfonyl chloride | 5.5% |
| 2904.10.10.00 | m-Benzenedisulfonic acid, sodium salt; 1,5-Naphthalenedisulfonic acid; andp-Toluenesulfonyl chloride | 5.5% |
| 2904.10.15.00 | Mixtures of 1,3,6-naphthalenetrisulfonic acid and 1,3,7-naphthalenetrisulfonic acid | 5.5% |
| 2904.10.32.00 | Products described in additional U.S. note 3 to section VI | 5.5% |
| 2904.10.37.00 | Other | 5.5% |
| 2904.10.50.00 | Other | 4.2% |
| 2904.20 | Derivatives containing only nitro or only nitroso groups: | |
| 2904.20.10.00 | p-Nitrotoluene | 5.5% |
| 2904.20.15.00 | p-Nitro-o-xylene | 5.5% |
| 2904.20.20.00 | Trinitrotoluene | Free |
| 2904.20.30.00 | 5-tert-Butyl-2,4,6-trinitro-m-xylene (Musk xylol) and other artificial musks | 5.5% |
| 2904.20.35.00 | Nitrated benzene, nitrated toluene (except p-nitrotoluene), or nitrated naphthalene | 5.5% |
| 2904.20.40.00 | Products described in additional U.S. note 3 to section VI | 5.5% |
| 2904.20.45.00 | Other | 5.5% |
| 2904.20.50.00 | Other | 5.5% |
| 2904.31.00.00 | Perfluorooctane sulfonic acid | 3.7% |
| 2904.32.00.00 | Ammonium perfluorooctane sulfonate | 3.7% |
| 2904.33.00.00 | Lithium perfluorooctane sulfonate | 3.7% |
| 2904.34.00.00 | Potassium perfluorooctane sulfonate | 3.7% |
| 2904.35.00.00 | Other salts of perfluorooctane sulfonic acid | 3.7% |
| 2904.36.00.00 | Perfluorooctane sulfonyl fluoride | 3.7% |
| 2904.91.00.00 | Trichloronitromethane (chloropicrin) | 3.7% |
| 2904.99 | Other: | |
| 2904.99.04.00 | o-Nitrochlorobenzene; andp-Nitrochlorobenzene | 5.5% |
| 2904.99.08.00 | Other | 5.5% |
| 2904.99.15.00 | 4-Chloro-3-nitro-α,α,α-trifluorotoluene; 2-Chloro-5-nitro-α,α,α-trifluorotoluene; and 4-Chloro-3,5-dinitro-α,α,α-trifluorotoluene | 5.5% |
| 2904.99.20.00 | Nitrotoluenesulfonic acids | 5.5% |
| 2904.99.30.00 | 1-Bromo-2-nitrobenzene; 1,2-Dichloro-4-nitrobenzene and o-Fluoronitrobenzene | 5.5% |
| 2904.99.35.00 | 4,4'-Dinitrostilbene-2,2'-disulfonic acid | 5.5% |
| 2904.99.40.00 | Products described in additional U.S. note 3 to section VI | 5.5% |
| 2904.99.47.00 | Other | 5.5% |
| 2904.99.50.00 | Other | 3.7% |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
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- BEDOUKIAN RESEARCH, INC.
- EMBALMERS' SUPPLY COMPANY, THE
- FMI CHEMICAL, INC.
- HAMPFORD RESEARCH, INC.
- KING INDUSTRIES, INC.
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Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2904 has 12 of them. Schedule B lookup →
- 2904.10.0000HYDROCARBON DERIVATIVES CONTAINING ONLY SULFO GROUPS, THEIR SALTS ANDESTERS
- 2904.20.1000PARA-NITROTOLUENE (1-METHYL-4-NITROBENZENE)
- 2904.20.2000TRINITROTOLUENE (1-METHYL-2,4,6-TRINITROBENZENE)
- 2904.20.6000HYDROCARBON DERIVATIVES CONTAINING ONLY NITRO OR NITROSO GROUPS, NESOI
- 2904.31.0000PERFLUOROOCTANE SULFONIC ACID
- 2904.32.0000AMMONIUM PERFLUOROOCTANE SULFONATE
- 2904.33.0000LITHIUM PERFLUOROOCTANE SULFONATE
- 2904.34.0000POTASSIUM PERFLUOROOCTANE SULFONATE
- 2904.35.0000OTHER SALTS OF PERFLUOROOCTANE SULFONIC ACID
- 2904.36.0000PERFLUOROOCTANE SULFONYL FLUORIDE
- 2904.91.0000TRICHLORONITROMETHANE (CHLOROPICRIN)
- 2904.99.0000SULFONATED, NITRATED OR NITROSATED DERIVATIVES OF HYDROCARBONS, WHETHER OR NOT HALOGENATED, NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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