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HSChapter 29
U.S. imports of cyclanic, cyclenic & cycloterpenic ethers and their halogenated, sulfonated, nitrated & nitrosated derivatives (HS 290920) totaled $638K in April 2026, traded with 9 countries.
Importers of Cyclanic, Cyclenic & Cycloterpenic Ethers and Their Halogenated, Sulfonated, Nitrated & Nitrosated Derivatives paid $76K in duties in April 2026 — an effective duty rate of 13% on $575K 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 $638K in April 2026 ran 44% above the year-to-date monthly average of $445K.
Last updated: April 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.
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.
Supplier Network
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2909200000 | CYCLANIC, ETC ETHERS AND THEIR HALO, ETC DERIV | $638K | 13.18% | $76K |
CYCLANIC, ETC ETHERS AND THEIR HALO, ETC DERIV
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2909200000 | CYCLANIC, ETC ETHERS AND THEIR HALO, ETC DERIV | $607K |
CYCLANIC, ETC ETHERS AND THEIR HALO, ETC DERIV
10.5K 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 |
|---|---|---|---|
| New Jersey | $609K | $30K | -$578K |
| Delaware | -- | $279K | +$279K |
| Minnesota | -- | $193K | +$193K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEWARK, NJ | $561K | $87K | -$474K |
| BUFFALO-NIAGARA FALLS, NY | -- | $291K | +$291K |
| ANCHORAGE, AK | -- | $125K | +$125K |