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SITCSection 5
U.S. imports of acyclic monoamines & their derivatives and salts (SITC 51451) totaled $15.2M in April 2026, traded with 25 countries.
Importers of Acyclic Monoamines & Their Derivatives and Salts paid $1.0M in duties in April 2026 — an effective duty rate of 10% on $10.1M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataAcyclic monoamines — open-chain compounds bearing a single amine group — serve as foundational building blocks in the manufacture of surfactants, rubber chemicals, corrosion inhibitors, and pharmaceutical intermediates. The commercial breadth of this category ranges from simple methylamine and ethylamine to longer-chain fatty amines used in fabric softeners and flotation agents. Importers should be aware that certain acyclic monoamine derivatives sourced from China may be subject to Section 301 additional duties, making origin documentation and precise chemical identification critical at entry.
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Key demand sectors include agrochemicals (herbicide synthesis), personal care (fatty amine-based surfactants), rubber processing (accelerators and antioxidants), and water treatment chemicals. The specific amine chain length and degree of substitution largely determine which end-use sector a shipment serves.
Salts of acyclic monoamines are explicitly included in this SITC heading alongside the free base and derivatives. However, at the HTS 10-digit level, the salt form may carry a distinct tariff line from the free amine, so importers should confirm the exact chemical form with their customs broker to ensure correct classification.
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Monthly import values over time