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U.S. imports of cyclanic, cyclenic & cycloterpenic ethers and their halogenated, sulfonated, nitrated & nitrosated derivatives (HS 290920) totaled $671K in July 2026, traded with 10 countries.
Importers of Cyclanic, Cyclenic & Cycloterpenic Ethers and Their Halogenated, Sulfonated, Nitrated & Nitrosated Derivatives paid $110K in duties in July 2026 — an effective duty rate of 16% on $699K in dutiable value, based on actual customs collections rather than the published tariff schedule. Cyclanic, Cyclenic & Cycloterpenic Ethers and Their Halogenated, Sulfonated, Nitrated & Nitrosated Derivatives imports of $671K in July 2026 ran 26% above the year-to-date monthly average of $531K.
Last updated: July 2026 dataCovered entirely by a single 10-digit line (2909200000), cyclanic, cyclenic, and cycloterpenic ethers occupy a specialized niche in fragrance chemistry, pharmaceutical synthesis, and specialty polymer production, where the ring structure imparts distinct reactivity and stability compared to acyclic analogs. China is the primary US supplier, followed by Germany and Spain. Importers sourcing from China should assess Section 301 exposure, as many cyclic organic intermediates fall within the scope of those measures.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
30 shipments/mo
Cyclanic, cyclenic, and cycloterpenic ethers contain saturated or partially unsaturated non-aromatic rings, whereas aromatic ethers contain a benzene or other aromatic ring system. The presence or absence of aromaticity in the ring is the key structural criterion; compounds with aromatic rings are classified under heading 2909.30 rather than 2909.20.
At the 10-digit US level, all cyclanic, cyclenic, and cycloterpenic ethers and their halogenated, sulfonated, nitrated, or nitrosated derivatives are consolidated under 2909200000. There are no further US-level subdivisions, so the classification decision rests entirely on confirming the compound's ring type and ether functionality.
HSChapter 29
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Subheading 8 of 10 in heading 2909
Subheading 290920 · $671K of $42.7M
ImportsExports
Imports
$671KYoY · Pro
Exports
$744KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 2909200000 | Cyclanic, Etc Ethers and Their Halo, Etc Deriv | $671K | 16.35% | 104.10% | $110K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2909200000 | Cyclanic, Etc Ethers and Their Halo, Etc Deriv | $744K |
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.
Imports · July 2026
origin
China and Germany together supply 81% of it.
customs district
destination
entry
rate provision · imports
0.6% enters free of duty; the effective duty rate is 16.35%.