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HSChapter 29
U.S. imports of cyclanes, cyclenes, and cycloterpenes (other) (HS 290219) totaled $5.4M in June 2026, traded with 21 countries.
Importers of Cyclanes, Cyclenes, and Cycloterpenes (Other) paid $622K in duties in June 2026 — an effective duty rate of 13% on $4.9M in dutiable value, based on actual customs collections rather than the published tariff schedule. Cyclanes, Cyclenes, and Cycloterpenes (Other) imports of $5.4M in June 2026 ran 14% above the year-to-date monthly average of $4.7M.
Last updated: June 2026 dataDicyclopentadiene (DCPD) is the most commercially prominent product within this heading, classified at 2902190010, and serves as a key monomer for unsaturated polyester resins, ROMP-based specialty polymers, and hydrocarbon resins used in adhesives and coatings. The remaining lines (2902190000 and 2902190050) cover a broad range of other cycloaliphatic and terpene hydrocarbons not elsewhere specified. Brazil and Spain lead US imports under this heading, followed by Canada, South Korea, and the Netherlands. Correct identification of DCPD versus other cyclanes at the 10-digit level requires clear product naming and CAS number documentation.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Dicyclopentadiene has its own dedicated 10-digit line (2902190010), so importers must confirm the product is specifically DCPD — CAS 77-73-6 — rather than a mixed C5 stream or another cyclopentadiene oligomer. The commercial invoice and CoA should explicitly state 'dicyclopentadiene' and the CAS number; a mixed stream containing DCPD as a component may instead classify under the residual line 2902190050.
Cycloterpenes such as limonene and pinene derivatives are used in fragrance, flavor, and bio-based solvent applications, while cyclopentadiene-derived products feed specialty resin and polymer manufacturing. The diversity of end uses means import volumes can be driven by very different industry cycles — adhesives and coatings demand for DCPD versus consumer goods and cleaning product trends for terpene-based solvents — making demand forecasting more complex than for single-use petrochemicals.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| INDIA | $331K | $3.2M | +$2.9M |
| FRANCE | $97K | $3.0M | +$2.9M |
| GERMANY | $2.0M | $104K | -$1.9M |
| CANADA | $419K | $1.2M | +$754K |
| SAUDI ARABIA | -- | $1.4M | +$1.4M |
Monthly import values over time
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2902190050 | OTHER CYLANES, CYCLENES AND CYCLOTERPENES | $4.6M | 8.91% | 89.50% | $409K |
| 2902190010 | DICYCLOPENTADIENE | $813K | 26.30% | 97.35% | $214K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2902190000 | CYCLANES, CYCLENES AND CYCLOTERPENES, NESOI | $16.1M |
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
BENZENE
HS 290220
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
HETEROCYCLIC COMP WITH UNFUSED PYRAZOLE RING NESOI
HS 293319
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | $374K | $6.2M | +$5.8M |
| CHARLESTON, SC | $1.8M | $1.0M | -$784K |
| HOUSTON, TX | $675K | $1.7M | +$1.0M |