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HSChapter 29
U.S. imports of sulfonated hydrocarbon derivatives (sulfo groups only) (HS 290410) totaled $3.9M in April 2026, traded with 15 countries.
Importers of Sulfonated Hydrocarbon Derivatives (Sulfo Groups Only) paid $591K in duties in April 2026 — an effective duty rate of 16% on $3.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Sulfonated Hydrocarbon Derivatives (Sulfo Groups Only) imports of $3.9M in April 2026 ran 56% above the year-to-date monthly average of $2.5M.
Last updated: April 2026 dataAromatic and non-aromatic hydrocarbon derivatives bearing only sulfo groups — including sulfonic acids, sulfonyl chlorides, and their salts and esters — are key intermediates in dye, detergent, and pharmaceutical synthesis. The US schedule breaks this heading into eight distinct 10-digit lines, ranging from 2-anthracenesulfonic acid (2904100400) and benzenesulfonyl chloride (2904100800) to naphthalenetrisulfonic acid mixtures (2904101500) and residual non-aromatic derivatives (2904105000). Germany and France are the leading suppliers, reflecting Europe's deep fine-chemicals manufacturing base, with Belgium and India also significant sources. Importers should note that certain aromatic derivatives listed under US Additional Note 3 to Section VI carry separate tariff treatment under line 2904103200.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The US schedule separates aromatic derivatives — including those specifically enumerated in Additional Note 3 to Section VI (line 2904103200) and other aromatic derivatives (2904103700) — from non-aromatic sulfonated derivatives, which fall under line 2904105000. Correct classification depends on whether the parent hydrocarbon structure is aromatic or aliphatic.
These compounds serve as intermediates in the production of azo dyes, optical brighteners, surfactants, and pharmaceutical active ingredients. Benzenesulfonyl chloride, for example, is widely used in agrochemical and pharmaceutical synthesis, while naphthalenetrisulfonic acid mixtures are important in textile dye manufacturing.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| GERMANY | $1.3M | $3K | -$1.3M |
| FRANCE | $1.1M | -- | -$1.1M |
| UNITED KINGDOM | $14K | $980K | +$966K |
| CANADA | $242K | $668K | +$426K |
| NETHERLANDS | -- | $619K | +$619K |
Monthly import values over time
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HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2904105000 | OTHER NON-AROMAT DERIV CONT ONLY SULFO GRPS, ETC | $3.2M | 14.80% | $472K |
| 2904103700 | OTHER AROMAT DERIV CONT ONLY SULFO GRPS;SALTS, EST | $347K | 28.92% | $98K |
| 2904103200 | AROMAT IN ADD U.S. NOTE 3 TO SEC 6 CON SULFO GRP | $305K | 10.00% | $9K |
| 2904101000 | META-BENZENEDISULFONIC ACID, SODIUM SALT; ETC | $60K | 12.42% | $7K |
| 2904100800 | BENZENESULFONYL CHLORIDE | $25K | 15.50% | $4K |
| 2904101500 | MIX OF 1,3,6-1,3,7 NAPHTHALENETRISULFONIC ACIDS | $0 | -- | -- |
OTHER NON-AROMAT DERIV CONT ONLY SULFO GRPS, ETC
OTHER AROMAT DERIV CONT ONLY SULFO GRPS;SALTS, EST
AROMAT IN ADD U.S. NOTE 3 TO SEC 6 CON SULFO GRP
META-BENZENEDISULFONIC ACID, SODIUM SALT; ETC
BENZENESULFONYL CHLORIDE
MIX OF 1,3,6-1,3,7 NAPHTHALENETRISULFONIC ACIDS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2904100000 | HYDROCARBON DERIV CONT ONLY SULFO GROUPS, ETC | $3.7M |
HYDROCARBON DERIV CONT ONLY SULFO GROUPS, ETC
1.2M 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 |
|---|---|---|---|
| Ohio | $1.3M | $1.4M | +$126K |
| Pennsylvania | $718K | $383K | -$336K |
| Connecticut | -- | $733K | +$733K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEWARK, NJ | $826K | $804K | -$21K |
| NEW YORK, NY | $387K | $1.0M | +$659K |
| NORFOLK-NEWPORT NEWS, VA | $886K | $144K | -$743K |