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HSChapter 29
U.S. imports of halogenated derivatives of cycloalkane, cycloalkene, and cycloterpene hydrocarbons (nesoi) (HS 290389) totaled $795K in April 2026, traded with 8 countries.
Importers of Halogenated Derivatives of Cycloalkane, Cycloalkene, and Cycloterpene Hydrocarbons (NESOI) paid $44K in duties in April 2026 — an effective duty rate of 9.7% on $454K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataFlame retardants dominate the commercial profile of this heading: dibromoethyldibromocyclohexane (2903890500) and hexabromocyclododecane (HBCD, lines 2903894100 and 2903897010) are widely used in expanded polystyrene insulation and textile back-coatings, though HBCD faces growing regulatory scrutiny under the Stockholm Convention on persistent organic pollutants. The heading also covers chlorinated cycloalkane derivatives (2903893100) used as industrial intermediates. Japan and the United Kingdom are the leading US suppliers, with China, France, and India also contributing — a supply base that spans both specialty chemical producers and large-volume manufacturers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
HBCD is listed under the Stockholm Convention as a persistent organic pollutant, and the US EPA has taken regulatory action under TSCA to restrict its manufacture, processing, and use. Importers of HBCD or articles containing it should verify current TSCA compliance requirements before shipment, as restrictions have tightened and exemptions are limited.
The US schedule carries separate 10-digit lines for hexabromocyclododecane at 2903894100 and 2903897010, as well as a broader NESOI line at 2903897090 for other halogenated cycloalkane derivatives not derived from benzene. The distinction between the HBCD-specific lines and the NESOI line can affect duty treatment, so importers should confirm the precise compound identity and applicable line with a licensed customs broker.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| FRANCE | $341K | -- | -$341K |
| UNITED KINGDOM | $256K | -- | -$256K |
| CANADA | -- | $128K | +$128K |
| CHINA | $104K | $21K | -$83K |
| GERMANY | -- | $80K | +$80K |
Monthly import values over time
Supplier Network
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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 |
|---|---|---|---|---|
| 2903897090 | OTHER HALO DERIV CYCLANIC ETC NOT DERIV FR BENZENE | $726K | 10.19% | $39K |
| 2903892000 | OTHER HALO DERIV OF CYCLANIC ETC HYDROCRBNS | $63K | 5.50% | $3K |
| 2903893100 | CHLORINATED DERIV ONLY OF CYCLANIC, ETC HYDROCRBNS | $4K | 15.50% | $558 |
| 2903891500 | PRODUCTS OF ADDITIONAL U.S. NOTE 3 TO SEC 6 | $3K | 30.49% | $882 |
| 2903897010 | OTHER HEXABROMOCYCLODODECANES | $0 | -- | -- |
OTHER HALO DERIV CYCLANIC ETC NOT DERIV FR BENZENE
OTHER HALO DERIV OF CYCLANIC ETC HYDROCRBNS
CHLORINATED DERIV ONLY OF CYCLANIC, ETC HYDROCRBNS
PRODUCTS OF ADDITIONAL U.S. NOTE 3 TO SEC 6
OTHER HEXABROMOCYCLODODECANES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2903894200 | HALO DERIV OF CYCLANIC, CYCLENIC OR CYCLTERP NESOI | $230K |
| 2903894100 | OTHER HEXABROMOCYCLODODECANES | $63K |
HALO DERIV OF CYCLANIC, CYCLENIC OR CYCLTERP NESOI
8.6K kg
OTHER HEXABROMOCYCLODODECANES
1.6K 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 |
|---|---|---|---|
| Missouri | $343K | -- | -$343K |
| Texas | $293K | -- | -$293K |
| New Jersey | $95K | $47K | -$49K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHICAGO, IL | $343K | -- | -$343K |
| HOUSTON INTERCONTINENTAL AIRPORT, TX | $248K | -- | -$248K |
| PORT HURON, MI | -- | $121K | +$121K |