HSChapter 29
U.S. imports of cyclanic, cyclenic, and cycloterpenoid mono- and polyamines (HS 292130) totaled $5.9M in May 2026, traded with 14 countries.
Importers of Cyclanic, Cyclenic, and Cycloterpenoid Mono- and Polyamines paid $661K in duties in May 2026 — an effective duty rate of 13% on $5.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Cyclanic, Cyclenic, and Cycloterpenoid Mono- and Polyamines imports of $5.9M in May 2026 ran 39% above the year-to-date monthly average of $4.2M.
Last updated: May 2026 dataCycloaliphatic amines — including the specifically enumerated 1,3-bis(aminoethyl)cyclohexane (2921300500) — are valued as low-color, low-volatility curing agents for high-performance epoxy systems used in flooring, marine coatings, and wind-energy composites. The US schedule further distinguishes cyclanic amines derived from aromatic compounds (2921301000, 2921303000) from those that are not (2921305000), a processing-origin distinction that can affect both classification and duty rate. Czech Republic and Germany are the leading suppliers, reflecting European specialty chemical capacity in this niche segment.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The distinction tracks the chemical manufacturing route: amines derived from aromatic intermediates may carry different duty rates and are subject to separate US note provisions (US Note 3 to Section VI). Importers must obtain documentation from the manufacturer confirming the synthetic pathway to support the correct tariff line selection.
A manufacturer's certificate of analysis confirming the CAS number and structural identity, combined with a technical data sheet describing the synthesis route, is typically sufficient to support classification under 2921300500. For ambiguous cases, a CBP binding ruling provides certainty.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| GERMANY | $1.8M | $27K | -$1.8M |
| CZECH REPUBLIC | $1.3M | -- | -$1.3M |
| CHINA | $711K | $210K | -$501K |
| BELGIUM | $829K | -- | -$829K |
| CANADA | $389K | $55K | -$333K |
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 % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2921305000 | CYCLANIC,MONO/POLYAMINS NT DERVD FRM ARMATC CMD | $2.6M | 5.68% | 86.01% | $146K |
| 2921303000 | AROM. CYCLANIC,CYCLENIC,MONO- OR POLYAMINE NESOI | $1.8M | 16.82% | 99.71% | $305K |
| 2921300500 | 1,3-BIS(AMINOETHYL)CYCLOHEXANE | $394K | 7.67% | 76.68% | $30K |
| 2921301000 | CYCLANIC, MONO-OR POLYAMINES DERVD FRM ARMATC CMDS | $314K | 5.37% | 82.55% | $17K |
CYCLANIC,MONO/POLYAMINS NT DERVD FRM ARMATC CMD
AROM. CYCLANIC,CYCLENIC,MONO- OR POLYAMINE NESOI
1,3-BIS(AMINOETHYL)CYCLOHEXANE
CYCLANIC, MONO-OR POLYAMINES DERVD FRM ARMATC CMDS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2921300000 | CYCLANIC, CYCLENIC ETC MONO- OR POLYAMINES ETC | $634K |
CYCLANIC, CYCLENIC ETC MONO- OR POLYAMINES ETC
48.7K 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 |
|---|---|---|---|
| South Carolina | $1.8M | -- | -$1.8M |
| Texas | $921K | $106K | -$815K |
| Ohio | $625K | $253K | -$372K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHARLESTON, SC | $1.8M | -- | -$1.8M |
| HOUSTON, TX | $1.0M | $80K | -$959K |
| NORFOLK-NEWPORT NEWS, VA | $635K | $16K | -$619K |