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U.S. imports of acyclic monoamines and their derivatives, nesoi (HS 292119) totaled $20.1M in July 2026, traded with 25 countries.
Importers of Acyclic Monoamines and Their Derivatives, NESOI paid $1.3M in duties in July 2026 — an effective duty rate of 12% on $11.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Acyclic Monoamines and Their Derivatives, NESOI imports of $20.1M in July 2026 ran 25% above the year-to-date monthly average of $16.0M.
Last updated: July 2026 dataAcyclic monoamines not covered by the named subheadings — including mono- and triethylamines, diethylamine, and a range of specialty chloroethylamine derivatives — are classified here, with the US schedule further subdividing them across seven 10-digit lines based on chemical structure and CWC control status. China leads US import supply, followed by the Philippines and Germany. Notably, several lines within this heading (2921196110 and 2921196120) cover N,N-dialkyl-2-chloroethylamines and bis(2-chloroethyl)ethylamine, which are CWC-scheduled precursors subject to strict import controls.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
290 shipments/mo
Subheading 1 of 18 in heading 2921
Subheading 292119 · $20.1M of $80.2M
Classification turns on the specific compound: diethylamine and its salts go to 2921191110; mono- and triethylamines to 2921191150; certain named specialty compounds (including 3-amino-3-methyl-1-butyne) to 2921193100; N,N-dialkyl-2-chloroethylamines and their protonated salts to 2921196110; bis(2-chloroethyl)ethylamine to 2921196120; and all remaining acyclic monoamines to 2921196195. Providing the CAS number and structural formula to a licensed customs broker is the most reliable way to confirm the correct line.
Lines 2921196110 and 2921196120 cover compounds that are CWC-scheduled chemical weapons precursors. Importers must comply with Commerce Department CWC regulations, including end-use certification and advance notification requirements. These lines are distinct from the general monoamine lines and require a higher level of regulatory diligence before any import transaction is initiated.
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ImportsExports
Imports
$20.1MYoY · Pro
Exports
$6.5MYoY · 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 |
|---|---|---|---|---|---|
| 2921196195 | Acyclic Monoamines and Their Derivatives, NESOI | $17.3M | 7.01% | 50.58% | $1.2M |
| 2921191100 | Mono- and Triethylamines,Etc and Their Salts | $2.7M | 4.28% | 91.99% | $114K |
| 2921196110 | N,N-Dialkyl-2-Chloroethylamines & Protonated Salts | $109K | 0.00% | 0.00% | -- |
| 2921193100 | 3-Amino-3-Methyl-1-Butyne;2-Chloro-N,N-Dimethyl... | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
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 71% of it.
customs district
destination
entry
rate provision · imports
44.2% enters free of duty; the effective duty rate is 6.61%.