U.S. imports of Other Acyclic Polyamines and Their Derivatives; Salts Thereof (HS 2921290055) totaled $14.5M in August 2026, imported from 20 countries.
Importers of Other Acyclic Polyamines and Their Derivatives; Salts Thereof paid $1.4M in duties in August 2026, an average duty rate of 9.78% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Other Acyclic Polyamines and Their Derivatives; Salts Thereof imports of $14.5M in August 2026 ran 71% above the year-to-date monthly average of $8.4M.
Last updated: August 2026 dataAverage import price $7.39/kg · 131 import shipments a month
Statistical number 1 of 4 in subheading 292129
Statistical number 2921290055 · $14.5M of $19.0M
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Imports · August 2026
origin
Switzerland and Germany together supply 53% of it. Japan pays 12.4% duty; Canada 0.0%.
customs district
None recorded for this period.
destination
Census publishes state breakdowns to the 6-digit level only. See HS 292129 for those.
entry
Census publishes port breakdowns to the 6-digit level only. See HS 292129 for those.
rate provision · imports
None recorded for this period.
ImportsExports
Imports
$14.5MYoY · free account
Exports
$6.5MYoY · free account
Low of 8 reported months · imports
Low · free accountThrough August 2026 · imports 8 of 12 months reported, exports 8 of 12 months reported. Source: U.S. Census Bureau.