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HSChapter 29
U.S. imports of methylamine, dimethylamine, trimethylamine, and their salts (HS 292111) totaled $927K in April 2026, traded with 9 countries.
Importers of Methylamine, Dimethylamine, Trimethylamine, and Their Salts paid $10K in duties in April 2026 — an effective duty rate of 2.4% on $421K in dutiable value, based on actual customs collections rather than the published tariff schedule. Methylamine, Dimethylamine, Trimethylamine, and Their Salts imports of $927K in April 2026 ran 50% above the year-to-date monthly average of $619K.
Last updated: April 2026 dataMethylamine and its di- and trimethyl homologs are low-molecular-weight alkylamines used extensively in pharmaceutical synthesis, agricultural chemical production, and the manufacture of surfactants and rubber chemicals. Mexico leads US import supply under this heading, with India and Canada as significant additional sources — a North American-weighted supply base that benefits from USMCA preferential treatment for Mexican and Canadian origin material. All imports enter under tariff line 2921110000, and these compounds are typically handled as hazardous materials requiring proper DOT classification and SDS documentation.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Yes. Imports of methylamine and its homologs originating in Mexico or Canada and meeting USMCA rules-of-origin requirements are eligible for preferential tariff treatment under that agreement. Importers must maintain a valid certification of origin and ensure the goods satisfy applicable regional value content or tariff shift criteria.
Methylamine and dimethylamine are flammable gases or liquids classified as hazardous materials under DOT regulations. Shipments must be properly labeled, packaged, and accompanied by a Safety Data Sheet. Importers should also verify that the carrier and port facility are equipped to handle these materials, and that the entry documentation reflects the correct UN hazard identification numbers.
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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 |
|---|---|---|---|---|
| 2921110000 | METHYLAMINE, DI OR TRIMETHYLAMINE AND THEIR SALTS | $927K | 2.36% | $10K |
METHYLAMINE, DI OR TRIMETHYLAMINE AND THEIR SALTS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2921110000 | METHYLAMINE, DI OR TRIMETHYLAMINE AND THEIR SALTS | $2.6M |
METHYLAMINE, DI OR TRIMETHYLAMINE AND THEIR SALTS
2.0M 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 |
|---|---|---|---|
| Florida | -- | $1.2M | +$1.2M |
| Illinois | -- | $452K | +$452K |
| Massachusetts | $348K | $19K | -$329K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEW ORLEANS, LA | -- | $1.2M | +$1.2M |
| LOS ANGELES, CA | -- | $583K | +$583K |
| MOBILE, AL | $425K | -- | -$425K |