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U.S. imports of cyclic hydrocarbons, not elsewhere specified or included (HS 290290) totaled $9.3M in July 2026, traded with 17 countries.
Importers of Cyclic Hydrocarbons, Not Elsewhere Specified or Included paid $1.1M in duties in July 2026 — an effective duty rate of 12% on $8.9M in dutiable value, based on actual customs collections rather than the published tariff schedule. Cyclic Hydrocarbons, Not Elsewhere Specified or Included imports of $9.3M in July 2026 ran 49% above the year-to-date monthly average of $6.2M.
Last updated: July 2026 dataA structurally diverse residual category, this heading captures cyclic hydrocarbons that do not fall under more specific benzene, toluene, xylene, styrene, or naphthalene headings — including pseudocumene (2902901000), polycyclic aromatics such as acenaphthene, chrysene, and pyrene (2902902000), dodecylbenzene (2902903010), other alkyl and polyalkylbenzenes (2902903050), anthracene (2902904000), and a broad catch-all for remaining cyclic hydrocarbons (2902909000 and 2902909500). India leads US imports under this heading, followed by Spain and Taiwan, reflecting the geographic spread of specialty chemical production. The breadth of compounds covered means classification disputes are common, and the correct 10-digit line depends on the specific compound's chemical identity.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
146 shipments/mo
The US schedule under 290290 is organized by named compound: pseudocumene has its own line (2902901000), polycyclics like acenaphthene and pyrene fall under 2902902000, dodecylbenzene under 2902903010, other alkyl/polyalkylbenzenes under 2902903050, anthracene under 2902904000, and remaining compounds under 2902909000 or 2902909500. Classification requires a precise chemical identity — typically confirmed by a Certificate of Analysis — and a licensed customs broker or chemist familiar with CBP classification rulings should be consulted for novel or multi-component products.
Yes. Many cyclic hydrocarbons in this heading are listed on the EPA TSCA Chemical Substance Inventory, requiring TSCA certification at entry. Certain polycyclic aromatic hydrocarbons (PAHs) may also be subject to EPA reporting or import restrictions depending on their specific identity and intended use. Importers should verify TSCA status and any applicable EPA import requirements for each specific compound before shipment.
HSChapter 29
Subheading 3 of 12 in heading 2902
Subheading 290290 · $9.3M of $166.9M
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ImportsExports
Imports
$9.3MYoY · Pro
Exports
$3.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
India and Taiwan together supply 55% of it.
customs district
destination
entry
rate provision · imports
3.7% enters free of duty; the effective duty rate is 11.53%.
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 |
|---|---|---|---|---|---|
| 2902909000 | Other Cyclic Hydrocarbons | $3.6M | 12.80% | 90.42% | $459K |
| 2902903050 | Other Alkyl and Polyalkyl Benzenes | $2.9M | 12.28% | 100.00% | $354K |
| 2902903010 | Dodecylbenzene | $2.1M | 10.00% | 100.00% | $213K |
| 2902902000 | Acenaphthene, Chrysene, Cymene, Indene, Pyrene Etc | $645K | 6.36% | 99.39% | $41K |
| 2902901000 | Pseudocumene | $45K | 10.00% | 100.00% | $4K |
| 2902904000 | Anthracene; and 1,4-Di-(2-Methylstyryl) Benzene | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2902909500 | Cyclic Hydrocarbons, NESOI | $2.6M |
| 2902903050 | Other Alkyl and Polyalkyl Benzenes | $576K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.