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HSChapter 29
U.S. imports of 1,8-diaminonaphthalene (HS 2921590400) totaled $58K in July 2026, traded with 1 country.
Importers of 1,8-Diaminonaphthalene paid $20K in duties in July 2026 — an effective duty rate of 35% on $58K in dutiable value, based on actual customs collections rather than the published tariff schedule. 1,8-Diaminonaphthalene imports of $58K in July 2026 ran 299% above the year-to-date monthly average of $14K.
Last updated: July 2026 dataAn aromatic diamine intermediate used primarily in the synthesis of dyes, pigments, and specialty polymers, 1,8-diaminonaphthalene (also catalogued as 1,8-naphthalenediamine) enters US commerce under HTS 2921590400 within the broader aromatic polyamine chapter. Its classification as an amine-functional aromatic compound means it may be subject to EPA Toxic Substances Control Act (TSCA) review requirements at entry. Importers should verify TSCA compliance status and any applicable Section 301 tariff exposure before shipment.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Avg $23.00/KG · 1 shipments/mo
Importers must confirm TSCA compliance with the EPA, as aromatic amines are subject to chemical substance inventory and import certification requirements. Classification under HTS 2921590400 should be verified with a licensed customs broker given the specificity of aromatic polyamine subheadings.
It serves as a chemical building block in the manufacture of dyes, fluorescent compounds, and high-performance polymers. Its dual amine groups make it valuable for condensation reactions in specialty chemical and materials science applications.
ImportsExports
Imports
$58KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
Census publishes state breakdowns to the 6-digit level only. See HS 292159 for those.
entry
Census publishes port breakdowns to the 6-digit level only. See HS 292159 for those.
rate provision · imports
None recorded for this period.
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Statistical number 8 of 9 in subheading 292159
Statistical number 2921590400 · $58K of $7.8M