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HSChapter 29
U.S. imports of sulfonated, nitrated & nitrosated hydrocarbon derivatives (mixed/other) (HS 290499) totaled $689K in April 2026, traded with 11 countries.
Importers of Sulfonated, Nitrated & Nitrosated Hydrocarbon Derivatives (Mixed/Other) paid $236K in duties in April 2026 — an effective duty rate of 34% on $689K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataHydrocarbon derivatives bearing combinations of sulfo, nitro, or nitroso groups — or those not elsewhere specified — are captured in this residual heading, which covers commercially important compounds such as monochloromononitrobenzenes (2904990400 and 2904990800) and nitrotoluenesulfonic acids (2904992000). China and India together dominate US supply, reflecting their established fine-chemicals export capacity. The heading's structure separates aromatic products described in Additional Note 3 to Section VI (2904994000) from other aromatic derivatives (2904994700) and non-aromatic mixed derivatives (2904995000), so precise structural characterization is essential for correct classification.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Headings 2904.10 and 2904.20 are reserved for derivatives bearing only sulfo groups or only nitro/nitroso groups, respectively. Once a compound carries more than one type of these functional groups — or combines them with halogens — it falls into the 2904.99 residual category. A licensed customs broker or chemist familiar with HTS Section VI notes should review the molecular structure before filing.
Monochloromononitrobenzenes are key intermediates in the synthesis of aniline derivatives, agrochemicals, and pharmaceutical compounds. Their separate enumeration across two tariff lines (2904990400 and 2904990800) reflects their commercial volume and the need to distinguish specific isomers from the broader group.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2904995000 | NON-AROMAT SULFON,NITRAT,ETC DERIV OF HYDROC NESOI | $605K | 36.67% | $222K |
| 2904994700 | DERIVATIVES OF OTHER AROMATIC HYDROCARBONS | $72K | 17.65% | $13K |
| 2904994000 | AROMAT PROD DESCRIB IN NOTE 3 TO SEC 6 NESOI | $7K | 14.28% | $981 |
| 2904990800 | OTHER MONOCHLOROMONONITROBENZENES NESOI | $6K | 15.49% | $878 |
| 2904990400 | MONOCHLOROMONONITROBENZENES | $0 | -- | -- |
NON-AROMAT SULFON,NITRAT,ETC DERIV OF HYDROC NESOI
DERIVATIVES OF OTHER AROMATIC HYDROCARBONS
AROMAT PROD DESCRIB IN NOTE 3 TO SEC 6 NESOI
OTHER MONOCHLOROMONONITROBENZENES NESOI
MONOCHLOROMONONITROBENZENES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2904990000 | SULFONATED, NITRATED ETC DERIV OF HYDRCARBNS NESOI | $70K |
SULFONATED, NITRATED ETC DERIV OF HYDRCARBNS NESOI
7.1K kg
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
COMP WITH PYRIMIDINE OR PIPERAZINE RING, NESOI
HS 293359
ANTIBIOTICS, NESOI
HS 294190
| State | Imports | Exports | Balance |
|---|---|---|---|
| New York | $340K | $3K | -$337K |
| Ohio | $101K | -- | -$101K |
| Massachusetts | $96K | $5K | -$91K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $414K | -- | -$414K |
| NEWARK, NJ | $202K | -- | -$202K |
| CHICAGO, IL | $21K | $38K | +$17K |